Whistler
September
Weather in Whistler for September 2025
Your guide to Whistler weather in September - trends and predictions
In general, the average temperature in Whistler at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.3 °C by the end of September.
The climate of Whistler in September is notably wet, with an average of 13 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
17
Dry days
13
Rainy days
0
Snow days
17°/0°
Temperatures
8 km/h
Avg max wind
71 %
Avg humidity
Whistler in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  24° | 3  17° | 4 25° | 5 28° | 6 27° | 7 28° |
| 8 25° | 9  14° | 10 17° | 11 16° | 12  17° | 13 14° | 14 17° |
| 15 19° | 16  21° | 17 14° | 18 15° | 19 10° | 20 13° | 21 17° |
| 22 15° | 23 13° | 24 14° | 25  12° | 26 8° | 27 9° | 28 9° |
| 29  9° | 30 11° |
You can click on date
Access Whistler weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Whistler
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 27° /5° | 0 mm | 7 | |
| 2 Sept. | Partly cloudy | 24° /5° | 0.4 mm | 6 | |
| 3 Sept. | Patchy rain possible | 17° /2° | 0.2 mm | 4 | |
| 4 Sept. | Sunny | 25° /2° | 0 mm | 7 | |
| 5 Sept. | Sunny | 28° /5° | 0 mm | 7 | |
| 6 Sept. | Sunny | 27° /6° | 0 mm | 7 | |
| 7 Sept. | Sunny | 28° /6° | 0 mm | 7 | |
| 8 Sept. | Sunny | 25° /5° | 0 mm | 7 | |
| 9 Sept. | Fog | 14° /0° | 0.6 mm | 3 | |
| 10 Sept. | Patchy rain possible | 17° /0° | 0.1 mm | 4 | |
| 11 Sept. | Patchy rain possible | 16° /0° | 0.3 mm | 4 | |
| 12 Sept. | Light rain | 17° /0° | 0.9 mm | 5 | |
| 13 Sept. | Mist | 14° /-1° | 3.6 mm | 4 | |
| 14 Sept. | Mist | 17° /-1° | 3.2 mm | 4 | |
| 15 Sept. | Partly cloudy | 19° /-1° | 0.3 mm | 5 | |
| 16 Sept. | Cloudy | 21° /-1° | 0 mm | 6 | |
| 17 Sept. | Mist | 14° /1° | 3.5 mm | 4 | |
| 18 Sept. | Patchy rain possible | 15° /-1° | 1 mm | 4 | |
| 19 Sept. | Light rain | 10° /-1° | 1.5 mm | 3 | |
| 20 Sept. | Patchy rain possible | 13° /-2° | 0.3 mm | 3 | |
| 21 Sept. | Partly cloudy | 17° /-3° | 0 mm | 5 | |
| 22 Sept. | Sunny | 15° /3° | 7.6 mm | 5 | |
| 23 Sept. | Light rain shower | 13° /1° | 3.7 mm | 3 | |
| 24 Sept. | Patchy rain possible | 14° /-1° | 3.1 mm | 4 | |
| 25 Sept. | Moderate or heavy rain with thunder | 12° /-1° | 111.7 mm | 3 | |
| 26 Sept. | Moderate or heavy rain with thunder | 8° /-4° | 46.2 mm | 2 | |
| 27 Sept. | Light rain shower | 9° /-4° | 21.5 mm | 3 | |
| 28 Sept. | Moderate or heavy rain with thunder | 9° /-4° | 4.6 mm | 3 | |
| 29 Sept. | Thundery outbreaks possible | 9° /-5° | 0.1 mm | 3 | |
| 30 Sept. | Partly cloudy | 11° /-6° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Whistler 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 Whistler forecast closer to your planned date for the most up-to-date weather information.
Whistler in September - FAQ
What are the expected maximum and minimum temperatures in Whistler during September?
During September, expect a variety of temperatures with highs around 17° and lows near 0°, suitable for diverse activities and preferences.
How much rainfall should be expected in Whistler during September?
Significant rainfall exceeding 183.7 mm is expected in Whistler during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Whistler during September?
The average wind speed in Whistler during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Whistler
Explore the daily rainfall trends and prepare for Whistlers September weather 💧
UV exposure in Whistler during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
You are here
Where is Whistler?Get accurate weather forecasts for Whistler, located at latitude 50.118 and longitude -122.954. Stay updated with localized weather information tailored for Whistler.
Found a mistake?
We appreciate your attention to details. Tell us here.