Whistler weather in September 2026

Expect daytime maximum temperatures of 55°F 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 3.5 inches of rainfall in the month.

  • 55°F maximum daytime temperature in September in Whistler55
    55°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Whistler11
    11 days with some rainfall
  • 39°F minimum night-time temperature in September in Whistler39
    39°F min night temperature
  • 13 hours of daylight per day in September in Whistler13
    13 hours of daylight per day
  • No heat & humidity in September in Whistler0
    No heat & humidity
  • 3.5 inches monthly rainfall in September in Whistler3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Whistler5
    5 (Moderate) UV index

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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)  |  Imperial (°F)

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More about Canada

How hot is it in Whistler in September?

Daytime temperatures usually reach 66°F in Whistler in September, falling to 50°F 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 59°F.

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 3.1 inches.

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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