British Columbia (Vancouver)
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.
British Columbia experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 78 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
17°/12°
Temperatures
14 km/h
Avg max wind
80 %
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 78 mm spread over approximately 9 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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