Weather in Calgary: September
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Average day temperature: | 64.0°F |
| Average night temperature: | 47.7°F | |
 |
Number of sunny days: | 17 days |
| Day length: | 11.7 - 13.5 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 0.9 in. | |
| more information | ||
14 days
forecast
forecast
| Calgary |
weather in
October
October
| Calgary |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 85°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during September were 72.7°F and 53.4°F.
Sunny, partly cloudy and cloudy days
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Calgary in September is 0.9 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 7.2 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 9.3.
Best time for vacation in Calgary
Calgary on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Calgary
Local time: 04:36
December 26, friday
0600
10°F
W
2 mph
2 mph
0900
7°F
SW
2 mph
2 mph
1200
9°F
SW
2 mph
2 mph
1500
12°F
SW
5 mph
5 mph
1800
19°F
S
7 mph
7 mph
2100
14°F
S
11 mph
11 mph
December 27, saturday
0000
5°F
S
16 mph
16 mph
0300
-2°F
S
16 mph
16 mph
