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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Banff, AB
Exceptional El Niño dominates this fall
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September
Average Temperature
High
15°
Feels 14
Low
2°
Feels 0
Average Precipitation
9 Days
Rain amount
28.2mm
Snow amount
13.5cm
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20°
19
20°
20
21°
21
22°
22
19°
23
18°
24
19°
25
20°
26
13°
27
12°
28
11°
29
12°
30
12°
Forecast
Friday, September 18, 2026
Day
20°
Feels 20
Wind
8 km/h N
Gust
12 km/h
Humidity
37%
P.O.P
0%
Night
3°
Feels 1
Wind
7 km/h W
Gust
11 km/h
Humidity
87%
P.O.P
10%
Historical Averages
Sep 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.