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 MontrealSeptember climate, side by side

CharlottetownMontreal
Comfort score82/100 (A)89/100 (A)
Feels-like high20°C20°C
Avg high / low21° / 11°21° / 13°
Rainfall94 mm75 mm
Rainy days97
Humidity77%74%
Air quality (AQI)3747

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

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.