ClimateAverages

Mississauga Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
23°C
Sunny · feels like 25°C
Humidity
89%
Wind
10 kph SW
UV
0.3
Rain
0%
Updated Jul 9, 07:45 AMWeather data by WeatherAPI.com
September daytime high
21.1°C
September overnight low
10.6°C
September average
15.8°C

In September, Mississauga typically sees daytime highs of 21.1°C and overnight lows around 10.6°C. Compared to the annual average high of 12.4°C, September runs +8.8°C.

vs. annual avg high
+8.8°C
Rank among 12 months
#4 warmest
Hottest year overall
2011

Where September ranks in Mississauga

JanFebMarAprMayJunJulAugSep21°OctNovDec

FAQ

What is the average temperature in Mississauga in September?

September in Mississauga averages a daytime high of 21.1°C and an overnight low of 10.6°C.

Is September warm or cold in Mississauga?

September runs +8.8°C compared to Mississauga's annual average high of 12.4°C, ranking #4 of 12 months by warmth.

What should I pack for Mississauga in September?

Plan for daytime highs near 21.1°C and cooler evenings around 10.6°C.

Other months for Mississauga

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

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