Calgary Weather in September

What's the weather like in Calgary (Alberta) in September 2024?

The climate in Calgary during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Calgary and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 4°C (39°F) is normal.

Calgary weather averages (imperial / metric)
Daytime temperature 17.2°C 63°F
Nightly temperature 3.8°C 38.8°F
Average temperature 10.5°C 50.9°F
Daily sunshine 7.1 hrs
Avg rainfall 44 mm 1.7 ins
Rainy days 8 days
Sea temperature 11.3°C 52.4°F
Humidity 63%
Windspeed 14kph 9 mph

On average September is the 5th wettest month of the year in Calgary with around 44mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.1 hours of sunshine per day.

September temperatures in Calgary

Calgary average temperature in September

September rainfall

Calgary average rain in September

September hourly sunshine

Calgary average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Calgary in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Calgary weather stats

Calgary weather statistics
Hottest month: July 22.6°C 72.7°F
Driest month: February 12mm 0.5ins
Sunniest month: July 10.9hrs
Coldest month: January -4.9°C 23.2°F
Wettest month: June 79mm 3.1ins
Map showing location of Calgary (51.05011, -114.08529) Calgary map pin © Google

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