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Weather in Whistler for September 2026

Your guide to Whistler weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Whistler has been significantly cooler than historical averages by 6.4 °C, with average temperature of 14.7 °C.

  • The forecast for the next days in Whistler predicts a temperature of 14 °C, which is cooler than the historical average.

  • In general, the average temperature in Whistler at the beginning of September is 22.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10 °C by the end of September.

    • Rain 🌧️

  • Whistler experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 200.5 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/2°
Temperatures
Average wind speed
8 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Whistler Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
24°
2
Partly cloudy
22°
3
Patchy rain possible
19°
4
Sunny
23°
5
Sunny
23°
6
Sunny
24°
7
Sunny
21°
8
Sunny
19°
9
Fog
17°
10
Patchy rain possible
19°
11
Patchy rain possible
18°
12
Sunny
15°
13
Sunny
14°
14
Patchy rain possible
5°
15
Sunny
15°
16
Sunny
16°
17
Sunny
19°
18
Sunny
18°
19
Sunny
18°
20
Sunny
17°
21
Partly cloudy
14°
22
Overcast
12°
23
Patchy rain possible
9°
24
Sunny
10°
25
Moderate or heavy rain with thunder
12°
26
Moderate or heavy rain shower
8°
27
Moderate rain
9°
28
Moderate or heavy rain with thunder
11°
29
Thundery outbreaks possible
9°
30
Partly cloudy
11°

Temperatures trend during September in Whistler

See the weather trend as well as the moving average line

September weather in Whistler day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Sunny
Sunny
 24° /6° 0.8 mm 0 cm
2 Sept. Partly cloudy
Partly cloudy
 22° /5° 6.6 mm 0 cm
3 Sept. Patchy rain possible
Patchy rain possible
 19° /5° 1.7 mm 0 cm
4 Sept. Sunny
Sunny
 23° /4° 9.4 mm 0 cm
5 Sept. Sunny
Sunny
 23° /6° 4 mm 0 cm
6 Sept. Sunny
Sunny
 24° /9° 0 mm 0 cm
7 Sept. Sunny
Sunny
 21° /7° 1.3 mm 0 cm
8 Sept. Sunny
Sunny
 19° /6° 0 mm 0 cm
9 Sept. Fog
Fog
 17° /4° 0.2 mm 0 cm
10 Sept. Patchy rain possible
Patchy rain possible
 19° /4° 0.1 mm 0 cm
11 Sept. Patchy rain possible
Patchy rain possible
 18° /3° 1.2 mm 0 cm
12 Sept. Sunny
Sunny
 15° /4° 0 mm 0 cm
13 Sept. Sunny
Sunny
 14° /4° 0 mm 0 cm
14 Sept. Patchy rain possible
Patchy rain possible
 5° /3° 0.8 mm 0 cm
15 Sept. Sunny
Sunny
 15° /3° 0.2 mm 0 cm
16 Sept. Sunny
Sunny
 16° /7° 0 mm 0 cm
17 Sept. Sunny
Sunny
 19° /10° 0 mm 0 cm
18 Sept. Sunny
Sunny
 18° /11° 0 mm 0 cm
19 Sept. Sunny
Sunny
 18° /11° 0 mm 0 cm
20 Sept. Sunny
Sunny
 17° /11° 0 mm 0 cm
21 Sept. Partly cloudy
Partly cloudy
 14° /10° 0 mm 0 cm
22 Sept. Overcast
Overcast
 12° /8° 0 mm 0 cm
23 Sept. Patchy rain possible
Patchy rain possible
 9° /2° 0.8 mm 0 cm
24 Sept. Sunny
Sunny
 10° /1° 0 mm 0 cm
25 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 12° /-1° 74.4 mm 0 cm
26 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /-3° 40.7 mm 0 cm
27 Sept. Moderate rain
Moderate rain
 9° /-3° 29.1 mm 0 cm
28 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 11° /-3° 4.4 mm 0 cm
29 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 9° /-3° 21.7 mm 0 cm
30 Sept. Partly cloudy
Partly cloudy
 11° /-5° 0.9 mm 0.7 cm
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.
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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 2°, suitable for diverse activities and preferences.

How much rainfall should be expected in Whistler during September?
Significant rainfall exceeding 200.5 mm is expected in Whistler during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Whistler in September 2026?
Whistler typically sees 0.7 cm of snowfall during September.

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.

Whistler snow forecast September 2026

Track daily snowfall levels and discover Whistler’s snowy potential this September ❄️

September rainfall patterns in Whistler

Explore the daily rainfall trends and prepare for Whistlers September weather 💧
Typically, Whistler has 9 rainy days in September with a total of 200.5 mm of rainfall.

UV exposure in Whistler during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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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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