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Whistler weather in September 2026
Expect daytime maximum temperatures of 13°C in Whistler, British Columbia in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 90 mm of rainfall in the month.
- 13°C max day temperature
13 - 6 hours of sunshine per day
- 11 days with some rainfall
11 - 4°C min night temperature
4 - 13 hours of daylight per day
13 - No heat & humidity
0 - 90 mm of monthly rainfall
90 - 5 (Moderate) UV index
5
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Recommended for British Columbia
The September weather guide for British Columbia (Whistler) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Canada
How hot is it in Whistler in September?
Daytime temperatures usually reach 19°C in Whistler in September, falling to 10°C at night.
How sunny is it in Whistler in September?
There are normally 6 hours of bright sunshine each day in Whistler in September - that's 49% of daylight hours.
How warm is the sea around Whistler in September?
The average sea temperature around Whistler in September is 15°C.
Does it rain in Whistler in September?
There are usually 10 days with some rain in Whistler in September and the average monthly rainfall is 80mm.
Whistler September sunrise & sunset times
Browse the sunrise and sunset times for Whistler in September 2026. Select a month to view Whistler sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Tuesday, 1st September 2026 | 05:27 | 18:55 |
| Tuesday, 15th September 2026 | 05:48 | 18:25 |
| Wednesday, 30th September 2026 | 06:11 | 17:52 |
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