What is the weather like in Montreal vs Quebec City in September?

In September, Montreal averages 21°C high / 13°C low with about 75 mm of rain; Quebec City averages 21°C high / 11°C low with about 96 mm.

Montreal vs Quebec City in September

Montreal is the better pick in September — 89 vs 84 on SeasonMap's comfort score. Montreal is nice, a little rain, clean air, while Quebec City is nice, rainy, clean air.

Montreal vs Quebec City — September climate, side by side

	🇨🇦 Montreal	🇨🇦 Quebec City
Comfort score	89/100 (A)	84/100 (A)
Feels-like high	20°C	20°C
Avg high / low	21° / 13°	21° / 11°
Rainfall	75 mm	96 mm
Rainy days	7	10
Humidity	74%	77%
Air quality (AQI)	47	41

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Montreal vs Quebec City in September — FAQ

Is September better in Montreal or Quebec City?: Montreal is the better pick in September — 89 vs 84 on SeasonMap's comfort score. Montreal is nice, a little rain, clean air, while Quebec City is nice, rainy, clean air.
What is the weather like in Montreal vs Quebec City in September?: In September, Montreal averages 21°C high / 13°C low with about 75 mm of rain; Quebec City averages 21°C high / 11°C low with about 96 mm.