Smithers weather in September 2025

Expect 57°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Smithers in September. Check more long-term weather averages for Smithers in September before you book your next holiday to British Columbia in 2025/2026.

  • 57°F maximum daytime temperature in September in Smithers57
    57°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Smithers14
    14 days with some rainfall
  • 36°F minimum night-time temperature in September in Smithers36
    36°F min night temperature
  • 13 hours of daylight per day in September in Smithers13
    13 hours of daylight per day
  • No heat & humidity in September in Smithers0
    No heat & humidity
  • 2.2 inches monthly rainfall in September in Smithers2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Smithers3
    3 (Moderate) UV index

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The September weather guide for British Columbia (Smithers) 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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How warm is it in Smithers in September?

Daytime temperatures usually reach 57°F in Smithers in September, falling to 36°F at night.

How sunny is it in Smithers in September?

There are normally 5 hours of bright sunshine each day in Smithers in September - that's 36% of daylight hours.

Does it rain in Smithers in September?

There are usually 14 days with some rain in Smithers in September and the average monthly rainfall is 2.2 inches.

Smithers September sunrise & sunset times

Browse the sunrise and sunset times for Smithers in September 2025. Select a month to view Smithers sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:36 19:19
Monday, 15th September 2025 06:02 18:44
Tuesday, 30th September 2025 06:30 18:06

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