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Weather in Whistler for September 2025

Your guide to Whistler weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Whistler has been nearly identical to the historical average, with a temperature of 23.5 °C (showing only a slight deviation of 0.3 °C).

  • The forecast for the next days in Whistler predicts a temperature of 15.3 °C, which is cooler than the historical average.

  • In general, the average temperature in Whistler at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9.1 °C by the end of September.

  • Rain 🌧️

  • The climate of Whistler in September is notably wet, with an average of 12 rainy days, and a total of 214.2 mm of precipitation.

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Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/0°
Temperatures
Average wind speed
8 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Whistler Weather September

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Temperatures trend during September in Whistler

See the weather trend as well as the moving average line

September weather in Whistler day by day

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Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
28° /6° 0 mm 7
2 Sept. Partly cloudy
Partly cloudy
27° /6° 0.2 mm 7
3 Sept. Patchy rain possible
Patchy rain possible
24° /6° 0.1 mm 6
4 Sept. Sunny
Sunny
28° /5° 0 mm 8
5 Sept. Sunny
Sunny
28° /7° 0 mm 7
6 Sept. Sunny
Sunny
28° /11° 0 mm 7
7 Sept. Sunny
Sunny
24° /9° 2 mm 6
8 Sept. Sunny
Sunny
20° /6° 0 mm 5
9 Sept. Fog
Fog
16° /2° 0.3 mm 4
10 Sept. Patchy rain possible
Patchy rain possible
20° /2° 0.1 mm 5
11 Sept. Patchy rain possible
Patchy rain possible
19° /2° 0.1 mm 5
12 Sept. Light rain
Light rain
17° /1° 0.6 mm 4
13 Sept. Mist
Mist
17° /1° 2.4 mm 4
14 Sept. Patchy rain possible
Patchy rain possible
16° /3° 4.6 mm 0.3
15 Sept. Mist
Mist
20° /2° 0 mm 1.2
16 Sept. Sunny
Sunny
25° /3° 0 mm 1.2
17 Sept. Sunny
Sunny
22° /4° 0 mm 0.9
18 Sept. Sunny
Sunny
22° /4° 0 mm 0
19 Sept. Sunny
Sunny
24° /5° 0 mm 5
20 Sept. Sunny
Sunny
21° /11° 0 mm 5
21 Sept. Moderate rain
Moderate rain
10° /3° 12.2 mm 2
22 Sept. Patchy rain possible
Patchy rain possible
10° /-3° 1.5 mm 1
23 Sept. Moderate rain
Moderate rain
9° /-1° 8.6 mm 2
24 Sept. Moderate rain
Moderate rain
10° /7° 18.4 mm 2
25 Sept. Moderate rain
Moderate rain
11° /-3° 5.2 mm 2
26 Sept. Patchy rain possible
Patchy rain possible
8° /-3° 0.5 mm 2
27 Sept. Patchy rain possible
Patchy rain possible
6° /-3° 2.1 mm 1
28 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
9° /-4° 4.6 mm 3
29 Sept. Thundery outbreaks possible
Thundery outbreaks possible
9° /-5° 0.1 mm 3
30 Sept. Partly cloudy
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 214.2 mm is expected in Whistler during September, occurring over more than 12 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 ☀️

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Location coordinates 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.

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