What is the weather like in Charlottetown vs Montreal in September?

In September, Charlottetown averages 21°C high / 11°C low with about 94 mm of rain; Montreal averages 21°C high / 13°C low with about 75 mm.

Charlottetown vs Montreal in September

Montreal is the better pick in September — 89 vs 82 on SeasonMap's comfort score. Montreal is nice, a little rain, clean air, while Charlottetown is nice, rainy, clean air.

Charlottetown vs Montreal — September climate, side by side

	🇨🇦 Charlottetown	🇨🇦 Montreal
Comfort score	82/100 (A)	89/100 (A)
Feels-like high	20°C	20°C
Avg high / low	21° / 11°	21° / 13°
Rainfall	94 mm	75 mm
Rainy days	9	7
Humidity	77%	74%
Air quality (AQI)	37	47

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

Month by month

Charlottetown vs Montreal in September — FAQ

Is September better in Charlottetown or Montreal?: Montreal is the better pick in September — 89 vs 82 on SeasonMap's comfort score. Montreal is nice, a little rain, clean air, while Charlottetown is nice, rainy, clean air.
What is the weather like in Charlottetown vs Montreal in September?: In September, Charlottetown averages 21°C high / 11°C low with about 94 mm of rain; Montreal averages 21°C high / 13°C low with about 75 mm.