Mississauga Weather in September

What's the weather like in Mississauga (Ontario) in September 2024?

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

September is in the fall / autumn in Mississauga and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 11°C (51°F) is normal.

Mississauga weather averages (imperial / metric)
Daytime temperature 20.8°C 69.4°F
Nightly temperature 10.8°C 51.4°F
Average temperature 15.8°C 60.4°F
Daily sunshine 6.4 hrs
Avg rainfall 71 mm 2.8 ins
Rainy days 9 days
Sea temperature 19.1°C 66.4°F
Humidity 76%
Windspeed 12.2kph 8 mph

On average September is the 3rd wettest month of the year in Mississauga with around 71mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.4 hours of sunshine per day.

September temperatures in Mississauga

Mississauga average temperature in September

September rainfall

Mississauga average rain in September

September hourly sunshine

Mississauga 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 Mississauga in September 2024.

Other monthly averages

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Mississauga weather stats

Mississauga weather statistics
Hottest month: July 26°C 78.8°F
Driest month: February 46mm 1.8ins
Sunniest month: July 9.9hrs
Coldest month: January -1.7°C 28.9°F
Wettest month: August 82mm 3.2ins
Map showing location of Mississauga (43.5789, -79.6583) Mississauga map pin © Google

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