Banff weather in September 2026

Expect daytime maximum temperatures of 55°F in Banff, Alberta in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 2.2 inches of rainfall in the month.

  • 55°F maximum daytime temperature in September in Banff55
    55°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in September in Banff10
    10 days with some rainfall
  • 32°F minimum night-time temperature in September in Banff32
    32°F min night temperature
  • 13 hours of daylight per day in September in Banff13
    13 hours of daylight per day
  • No heat & humidity in September in Banff0
    No heat & humidity
  • 2.2 inches monthly rainfall in September in Banff2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Banff5
    5 (Moderate) UV index

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The September weather guide for Alberta (Banff) 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 Banff in September?

Daytime temperatures usually reach 63°F in Banff in September, falling to 39°F at night.

How sunny is it in Banff in September?

There are normally 7 hours of bright sunshine each day in Banff in September - that's 52% of daylight hours.

Does it rain in Banff in September?

There are usually 8 days with some rain in Banff in September and the average monthly rainfall is 1.7 inches.

Banff September sunrise & sunset times

Browse the sunrise and sunset times for Banff in September 2026. Select a month to view Banff sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:56 19:28
Tuesday, 15th September 2026 06:18 18:56
Wednesday, 30th September 2026 06:42 18:22

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