Weather in Calgary, Alberta, Canada in September
In an average September, Calgary sees a daily high around 17°C and a low around 4°C, based on 1981–2026 of local climate records.
| Average high | 17°C |
|---|---|
| Typical high range | 9°C to 25°C |
| Average low | 4°C |
| Typical low range | -1°C to 9°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
33°C
1988-09-05
Lowest
-3°C
2019-09-28
Low
Highest
15°C
2022-09-04
Lowest
-11°C
2014-09-11
Feels-like
Highest
33°C
1988-09-05
Lowest
-16°C
2014-09-11
Humidity
Highest
12.8 g/m³
2025-09-01
Lowest
2.7 g/m³
2000-09-22
Wind
Highest
33 km/h
1984-09-06
Lowest
6 km/h
2004-09-06
Precip
Wettest
126 mm
1985
Driest
7 mm
2009
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