British Columbia
September
Weather in British Columbia for September 2025
Your guide to British Columbia weather in September - trends and predictions
In general, the average temperature in British Columbia at the beginning of September is 19.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.3 °C by the end of September.
The climate of British Columbia in September is notably wet, with an average of 11 rainy days.
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19
Dry days
11
Rainy days
0
Snow days
17°/12°
Temperatures
14 km/h
Avg max wind
78 %
Avg humidity
British Columbia in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 21° | 3  17° | 4  18° | 5 19° | 6  19° | 7  19° |
| 8 18° | 9 18° | 10 19° | 11 16° | 12 15° | 13 16° | 14 19° |
| 15 18° | 16 16° | 17 16° | 18 16° | 19  14° | 20 16° | 21 16° |
| 22 18° | 23 16° | 24 17° | 25  16° | 26 14° | 27 15° | 28 13° |
| 29  13° | 30 12° |
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Temperatures trend during September in British Columbia
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 22° /15° | 0 mm | 6 | |
| 2 Sept. | Sunny | 21° /15° | 0 mm | 6 | |
| 3 Sept. | Light rain shower | 17° /14° | 0.5 mm | 4 | |
| 4 Sept. | Overcast | 18° /13° | 0 mm | 5 | |
| 5 Sept. | Overcast | 19° /14° | 0 mm | 5 | |
| 6 Sept. | Cloudy | 19° /14° | 0 mm | 5 | |
| 7 Sept. | Mist | 19° /14° | 0 mm | 5 | |
| 8 Sept. | Mist | 18° /13° | 0 mm | 5 | |
| 9 Sept. | Mist | 18° /13° | 0 mm | 4 | |
| 10 Sept. | Overcast | 19° /13° | 0 mm | 5 | |
| 11 Sept. | Patchy rain possible | 16° /13° | 0.8 mm | 4 | |
| 12 Sept. | Overcast | 15° /12° | 0 mm | 4 | |
| 13 Sept. | Fog | 16° /13° | 0.3 mm | 4 | |
| 14 Sept. | Mist | 19° /12° | 2.3 mm | 5 | |
| 15 Sept. | Cloudy | 18° /12° | 0.2 mm | 5 | |
| 16 Sept. | Mist | 16° /11° | 0 mm | 5 | |
| 17 Sept. | Overcast | 16° /11° | 0 mm | 4 | |
| 18 Sept. | Patchy rain possible | 16° /12° | 0.4 mm | 4 | |
| 19 Sept. | Light rain | 14° /11° | 1.4 mm | 3 | |
| 20 Sept. | Patchy rain possible | 16° /11° | 0.7 mm | 4 | |
| 21 Sept. | Overcast | 16° /10° | 0 mm | 4 | |
| 22 Sept. | Sunny | 18° /11° | 7.8 mm | 5 | |
| 23 Sept. | Light rain shower | 16° /12° | 3.2 mm | 4 | |
| 24 Sept. | Light drizzle | 17° /12° | 4 mm | 4 | |
| 25 Sept. | Moderate or heavy rain with thunder | 16° /12° | 27.2 mm | 4 | |
| 26 Sept. | Light rain shower | 14° /11° | 18.7 mm | 4 | |
| 27 Sept. | Patchy rain possible | 15° /11° | 5.1 mm | 4 | |
| 28 Sept. | Light rain shower | 13° /10° | 5.4 mm | 3 | |
| 29 Sept. | Partly cloudy | 13° /8° | 0 mm | 4 | |
| 30 Sept. | Mist | 12° /7° | 0 mm | 3 | |
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Important Notice
Our weather forecast for British Columbia in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the British Columbia forecast closer to your planned date for the most up-to-date weather information.
British Columbia in September - FAQ
What are the expected maximum and minimum temperatures in British Columbia during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in British Columbia during September?
Moderate rainfall is anticipated in British Columbia during September, with a total of 81.6 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in British Columbia during September?
The average wind speed in British Columbia during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in British Columbia
Explore the daily rainfall trends and prepare for British Columbias September weather 💧
UV exposure in British Columbia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in British Columbia
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Capital Regional DistrictComox Valley Regional DistrictCowichan Valley Regional DistrictFraser Valley Regional DistrictMetro Vancouver Regional DistrictPeace River Regional DistrictRegional District of Alberni-ClayoquotRegional District of Central OkanaganRegional District of East KootenayRegional District of Fraser-Fort GeorgeRegional District of Kitimat-StikineRegional District of NanaimoRegional District of North OkanaganRegional District of Okanagan-SimilkameenSquamish-Lillooet Regional DistrictStrathcona Regional DistrictThompson-Nicola Regional District
Top locations in British Columbia
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Where is British Columbia?Get accurate weather forecasts for British Columbia, located at latitude 49.25 and longitude -123.119. Stay updated with localized weather information tailored for British Columbia.
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