Montréal weather by month › September
Montréal in September: weather and what to expect
Yes. September is one of the best months to visit Montréal.
September weather in Montréal
Daytime high72°F 22°C
Night low52°F 11°C
Rain3.5 in 89 mm
AirComfortable
SunSunny
In September, Montréal averages highs of 72°F (22°C) and lows of 52°F (11°C), with 3.5 in (89 mm) of rain. The air feels comfortable and the sun is sunny. 1991–2020 averages, not a forecast.
Pack: light layers, a sweater for evenings.
Places with the same weather in September
Match out of 100 for September, one city per country.
- Sarajevo Bosnia and Herzegovina · 73°F highs93
- Milwaukee WI, United States · 73°F highs93
- Zagreb Croatia · 71°F highs93
- Strasbourg France · 71°F highs92
- Grajaú Brazil · 72°F highs91
- Bratislava Slovakia · 69°F highs91
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