- Kids stay & eat for free at Marriot Bonvoy
- Destinations include Europe, Middle East & Africa
- Valid for up to 2 adults & 2 kids aged up to 12
Banff weather in September 2025
Expect 13°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Banff in September. Check more long-term weather averages for Banff in September before you book your next holiday to Alberta in 2025/2026.
- 1313°C max day temperature
- 5 hours of sunshine per day
- 1010 days with some rainfall
- 00°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 5555 mm of monthly rainfall
- 55 (Moderate) UV index
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Recommended for Alberta
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 / mm) | Imperial (°F / inches)
More about Canada
How warm is it in Banff in September?
Daytime temperatures usually reach 13°C in Banff in September, falling to -0°C at night.
How sunny is it in Banff in September?
There are normally 5 hours of bright sunshine each day in Banff in September - that's 41% of daylight hours.
Does it rain in Banff in September?
There are usually 10 days with some rain in Banff in September and the average monthly rainfall is 55mm.
Banff September sunrise & sunset times
Browse the sunrise and sunset times for Banff in September 2025. Select a month to view Banff sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:56 | 19:27 |
Monday, 15th September 2025 | 06:18 | 18:55 |
Tuesday, 30th September 2025 | 06:42 | 18:21 |
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