British Columbia Weather in September: What to Expect

September weather in British Columbia can be unpredictable, with a mix of warm and sunny days as well as cooler, wetter spells. While the province can experience mild temperatures during this time of year, it’s important to be prepared for all types of weather.

September is typically a transitional month, as summer gradually shifts into fall. In some parts of British Columbia, you may experience warm, dry weather that’s perfect for outdoor activities such as hiking and fishing. However, it’s important to note that temperatures can drop significantly in the early morning and evening, so it’s wise to pack layers and ensure you have proper rain gear in case of sudden changes in weather.

Average Temperature in British Columbia in September

On the Coast 

In cities like Vancouver, Victoria, and Tofino, you can expect average daytime temperatures of 16-18°C (60-65°F) and nighttime temperatures of 11-13°C (50-55°F) throughout September. It’s not uncommon to experience some light rain during this time, so it’s a good idea to pack a rain jacket.

In the Mountains

In the Rocky Mountains, temperatures will be slightly colder, with average daytime temperatures of 8-12°C (45-55°F) and nighttime temperatures near freezing at 0-4°C (32-40°F). It’s important to note that temperatures can vary greatly, and snowfall is possible in the higher elevations.

In the Interior

The interior of British Columbia, including places like Kamloops and Kelowna, experiences warm and dry weather in September, with average daytime temperatures of 20-25°C (68-77°F) and nighttime temperatures of 6-10°C (43-50°F). This region tends to have more consistent weather, with less rainfall than the coast.

Rainfall in British Columbia in September

Overall, September is a great month to visit British Columbia if you’re looking to avoid the crowds and enjoy some mild weather. While there is some chance of rainfall, it’s generally a mild and enjoyable time to explore the province’s forests, lakes, and mountains.

Here’s a table summarizing the average rainfall amounts for selected cities in British Columbia in September:

CityAverage Rainfall (mm)Average Rainy Days
Prince George547-10
Prince Rupert43326-30

On the Coast 

In Vancouver and other coastal areas of BC, September usually sees an increase in rainfall compared to the summer months. But it’s still a relatively dry month compared to other parts of the year. On average, Vancouver gets around 60mm (or 2.4 inches) of rain in September, with around 10-15 rainy days during the month.

In the Interior

September marks the end of summer in British Columbia, but that doesn’t mean you won’t experience the occasional hot and humid day. While many areas of the province have low relative humidity throughout the year due to its proximity to the coast, the interior of BC can see higher humidity levels during the summer months, including September.

Humidity Levels in British Columbia in September

September marks the end of summer in British Columbia, but that doesn’t mean you won’t experience the occasional hot and humid day. While many areas of the province have low relative humidity throughout the year due to its proximity to the coast, the interior of BC can see higher humidity levels during the summer months, including September.

Coastal Cities 

In Vancouver and Victoria, humidity levels in September range from about 60% to 80%, with occasional spikes into the 90% range during periods of heavy rain. The higher humidity levels are largely due to the proximity of these cities to the ocean.

The Interior 

The Interior of British Columbia experiences lower overall humidity levels due to the drier climate, but September can still see an increase in humidity compared to the rest of the year. Areas like Kelowna and Kamloops can experience relative humidity levels between 50% and 70% in September, especially during periods of warmer weather.

Regardless of humidity levels, September in BC generally has comfortable temperatures in the mid- to high-teens Celsius (mid-50s to low 60s Fahrenheit).

Best Places to Visit in British Columbia in September

Photo by Ching

If you’re planning a trip to British Columbia in September, you’ll find no shortage of breathtaking sights, outdoor activities, and cultural events! Here are some of the best places to visit in British Columbia in September.


As the provincial capital of British Columbia, Victoria is a popular tourist destination throughout the year. In September, you can enjoy the beautiful weather while exploring the city’s historical sites and cultural events. Attend the Victoria International Wine Festival, visit the colourful Butchart Gardens, or take a tour of the grand British Columbia Parliament Buildings.


September is one of the best months to visit Vancouver. The crowds have thinned out, the weather is mild and pleasant, and there are plenty of events to check out. Some of the popular annual events in September include the Vancouver International Film Festival, the Fringe Festival, and the Vancouver Dragon Boat Festival.


September marks the transition between summer and winter in Whistler, but there’s still plenty to do in this charming mountain town! Take a scenic gondola ride, enjoy some coffee in the village, or go for a hike in the stunning surrounding wilderness. You can also attend the annual Whistler Village Beer Festival, which features over 120 breweries from around the world.


Set on the rugged west coast of Vancouver Island, Tofino is known for its natural beauty and outdoor adventures. September is a great month to visit this town, with its warm weather and fewer crowds. Enjoy a scenic beach walk or a whale-watching tour, or go surfing in the crystal-clear waters.

Okanagan Valley

September is the harvest season in the Okanagan Valley, and there’s no better time to visit this wine region. Take a vineyard tour, sample some of the world-class wines, and enjoy the beautiful scenery. If you’re interested in outdoor activities, try hiking, biking or paddle-boarding along the stunning lakeshore.

Outdoor Activities in British Columbia in September

Photo by Wieland

September is one of the best months to explore the great outdoors of British Columbia. The weather is beautiful, with warm and sunny days, making it perfect for various outdoor activities!


With cooler temperatures and less humidity, September is an ideal time for hiking in British Columbia. There are plenty of hiking trails to choose from, ranging from easy walks to challenging hikes. Some of the most popular hikes in September include the Joffre Lakes Trail, the Grouse Grind, and Mount Cheam.


September is a great time for fishing in British Columbia, especially for salmon. You can enjoy fly fishing, freshwater fishing, or coastal fishing. For fly fishing, you can head to the Skeena River or the Elk River. If you enjoy freshwater fishing, try fishing for rainbow trout in some of the provincial parks like Kalamalka Lake.

Whale Watching

September is the perfect month to go whale watching in British Columbia. This is because it’s the time when the Pacific Northwest’s resident orca population returns to Johnstone Strait. You will have an opportunity to see other marine mammals like minke whales, humpback whales, grey whales, and porpoises as well.

Rock Climbing

September is an ideal time for rock climbers to explore the many crags and peaks of British Columbia. The cooler temperatures offer better climbing conditions, and there are plenty of climbing routes to suit all levels of experience.

Clothing to Pack for British Columbia in September

When packing for a trip to British Columbia in September, keep in mind that the weather can be quite variable. You can expect temperatures to range from the mid-teens to the low twenties (Celsius), so layers are key. Here are some clothing items to consider:

  • Warm waterproof jacket: You’ll definitely want to bring a warm jacket, as temperatures can drop quickly in the evenings and at higher elevations. If you’re visiting northern cities in BC, a water resistant or waterproof down or synthetic jacket is essential.
  • Waterproof outer layer: September can be rainy in British Columbia but it can also be warm so  having a light waterproof outer layer, like a rain jacket or shell, is essential.
  • Long pants: Throughout much of BC, the dress code is quite casual. If you’re staying in Vancouver or Victoria and plan to go out for dinner or to enjoy the nightlife, you’ll want to bring trousers or skirts to dress up for the evening. For the rest of BC, jeans or hiking pants are appropriate and will keep you warm and protect you from bugs and scratches while hiking or exploring!
  • Shorts or skirts: It can still be quite warm during the day, so pack a few pairs of shorts or skirts for those sunny afternoons.
  • Closed-toe shoes: If you’re planning to do any outdoor activities like hiking or cycling, you’ll want to have a sturdy pair of closed-toe shoes, like hiking boots or running shoes.
  • Hat and sunglasses: Don’t forget to pack a sun hat and sunglasses to protect yourself from the sun’s rays, which can still be strong in September.
  • Warm socks: Pack several pairs of warm socks to keep your feet cozy on colder evenings.

Tips for Travelling to British Columbia in September

September can be a great time to visit British Columbia, but it’s important to be prepared for the changing weather patterns and potential for outdoor activities to be impacted by rain. Here are a few tips to keep in mind when planning your travels to British Columbia in September:

  1. Check the weather forecast regularly: September in British Columbia can be unpredictable with varying temperatures, rain, and even snow in some areas. Be sure to pack for cooler weather and check forecasts before heading out for the day.
  2. Plan your activities accordingly: While it’s unlikely, many outdoor activities such as hiking, camping, and water sports may be impacted by inclement weather. Keep an eye on the weather before your trip and if there has been heavy rainfall, it’s a good idea to check for any park or trail closures and consider alternative indoor activities if necessary.
  3. Bring rain gear: It’s always a good idea to pack a good raincoat for outdoor recreation or an umbrella for city exploration in case of sudden rain showers. Water-resistant footwear is also recommended, as sidewalks and trails may be wet and slippery.
  4. Enjoy the fall colours: September is a great time to witness the changing fall colours in British Columbia. Consider taking a scenic drive or hike to soak in the beauty of the changing leaves.
  5. Take advantage of offseason discounts: As September is considered an offseason month in British Columbia, many tourist attractions offer discounts. 
  6. Attend fall festivals and events: British Columbia hosts a variety of fall festivals and events, including wine festivals, harvest celebrations, and cultural events. Check local calendars to see what’s happening in the area during your visit!
  7. Respect wildlife and the environment: As always, it’s important to respect the wildlife and environment when travelling in British Columbia. Be sure to read and follow all park rules and regulations and avoid feeding any wildlife you may encounter.

Events & Festivals in British Columbia in September

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September is an exciting month in British Columbia, with several events and festivals taking place throughout the province! Check local tourism websites for more events and up-to-date information!

Vancouver International Film Festival

The Vancouver International Film Festival (VIFF) is a must-attend event for film lovers. It runs for two weeks in September, showcasing the best in both Canadian and international cinema. You can attend screenings, panel discussions, and even meet-and-greets with filmmakers!  With over 400 incredible films from around the world to choose from, there’s something for everyone!

Rifflandia Music Festival

The Rifflandia Music Festival is an annual event that takes place in Victoria during the second weekend of September. It’s an indie music lover’s paradise and features over 150 artists from Canada and around the world. The festival takes place over four days and has multiple indoor and outdoor stages, at nearby venues.

Whistler Village Beer Festival

The Whistler Village Beer Festival is a five-day celebration of craft beer that takes place in Whistler Village, featuring local and international breweries. Enjoy a glass of beer while experiencing live music and entertainment. The event also includes Cask Nights, a Brewer’s Brunch, and multiple seminars, making it a perfect option for beer enthusiasts!

Vancouver Fringe Festival

The Vancouver Fringe Festival is an 11-day event that celebrates live theatre. The festival features more than 800 shows, from comedies to dramas, and everything in between, in different venues throughout Vancouver. With no artistic direction, the festival offers a completely varied program that is sure to satisfy all tastes in the theatre world.

Okanagan Wine Festival

The Okanagan Valley is known for its beautiful landscapes and fantastic wineries. The Okanagan Wine Festival is a ten-day celebration that showcases wineries from Kelowna to Osoyoos. The festival includes more than 100 events, including wine-pairing dinners, educational wine seminars, and vineyard tours.

Pacific National Exhibition (PNE)

The Pacific National Exhibition (PNE) is a classic fair that takes place at the end of August and continues through most of September. The PNE offers plenty of attractions, including local prize winning animals, baby animals, games, carnival rides, concerts, and exhibitions. The annual prize home is always a favourite attraction, with amazing design and stunning views.

Pros & Cons of Visiting British Columbia in September

September is a beautiful month to visit British Columbia, but there are pros and cons to visiting during this month – here are some things to consider when you’re planning your trip!


  • Pleasant temperatures: With warm days and cool nights, British Columbia’s weather in September is typically mild and enjoyable, making it perfect for outdoor activities like hiking, camping, and biking.
  • Off-peak crowds: As the summer break comes to an end, and students return to school, the September downtime translates to fewer crowds in British Columbia’s hotspots, allowing for more peaceful experiences.
  • Fall foliage: British Columbia’s forests and parks explode in colours during the month of September! During this month, you can watch the leaves change colours and enjoy the gorgeous fall blooms. The picturesque vistas are worth every penny!
  • Lower prices: Since September is the shoulder season, vacation rentals, dining, and other costs tend to be lower in British Columbia compared to peak season.

Wildlife Hibernation: With the approach of winter, bears begin to seek higher altitudes meaning that you’ll have less chance of accidentally running into one on the trails!


  • Unpredictable weather: Keep in mind that September weather can be unpredictable with warm, sunny days followed by cold and rainy ones. It’s always important to pack a variety of clothing to manage different weather conditions!
  • Limited daylight hours: As September marks the beginning of Fall, daylight hours are shorter than previous months, meaning there are fewer daylight hours to enjoy outdoor recreation than the summer.
  • Closures and Limited Availability: Since it is the shoulder season, you may encounter some closures or limited opening hours for attractions that you may have been hoping to enjoy.

Wildlife Hibernation: With the approach of winter, some of the animals in British Columbia begin to hibernate, making it harder to view wildlife and experience wildlife adventures.

Enjoy British Columbia in September

While the weather in British Columbia during September tends to be cooler and wetter than in the summer months, it’s still a great time to visit and explore this beautiful province!

Temperatures can vary widely between regions, so be sure to check the weather forecast for your specific destination but overall, September is a great time to visit British Columbia if you’re looking for a quieter, more peaceful experience and don’t mind cooler weather.

Whether you’re exploring the cities or hitting the trails, there’s plenty to see and do throughout this stunning province!

Featured Image Credit: Shawna and Damien Richard