Measurements:
°C
°F
Banff
28°F
E 5 mph
Feels like: 20°F
Precip: 0%
World Resorts Canada Banff Weather September Weather in Banff

Banff Weather: September

Average Day Temperature: 59.3°F
Average Night Temperature: 40.4°F
Number of Sunny Days: 15 days
Sunshine Hours: 11.7 - 13.5 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.5 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 81°F. The lowest night temperature was 41°F. The average values for day and night temperatures during September were 69.7°F и 49.0°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Banff is 0.5 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 4.0 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Banff in September is 8.2 hours.

Best Time to Visit Banff
The most sunny months:
August 16 days
July 15 days
September 15 days
The most warm months:
July 68.9 °F
August 66.9 °F
September 59.3 °F
The most cold months:
December 14.2 °F
January 14.5 °F
February 15.6 °F
The most rainy months:
June 4 days
July 3 days
August 3 days
The most windy months:
December 4 mph
November 4 mph
October 4 mph

Banff on the Weather Map

24 Hours Weather Forecast
Banff
Local time: 23:10
05 dec, friday
0000 28°F
E
5 mph
0300 24°F
E
5 mph
0600 16°F
NE
5 mph
0900 16°F
NE
6 mph
1200 24°F
NE
6 mph
1500 24°F
NE
6 mph
1800 14°F
NE
4 mph
2100 10°F
NE
2 mph