Weather in Calgary in September
September in Calgary brings average temperatures around 12°C and only 33 mm of rain.

- Average temp
- 12°C
5–19°C
- Rainfall
- 33 mm
Not much rain
- Sunshine
- —
What to expect
Daytime
Days are mild.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
A layer for cooler evenings
Where to stay in Calgary
Dates are a starting point for September.

Travel guides for Calgary
What to read before you book.

Average weather in Calgary
TemperatureRainfall
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Calgary
Climate averages for Calgary, 1991–2020.
The best time to visit Calgary is between May and October, the most comfortable stretch of the year on these averages.
July is the hottest month, with an average around 18°C.
June is the wettest month, with about 106 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.

