What is the weather like in Mont-Tremblant vs Ottawa in September?

In September, Mont-Tremblant averages 20°C high / 12°C low with about 87 mm of rain; Ottawa averages 22°C high / 11°C low with about 66 mm.

Mont-Tremblant vs Ottawa in September

Ottawa is the better pick in September — 89 vs 11 on SeasonMap's comfort score. Ottawa is nice, a little rain, clean air, while Mont-Tremblant is nice, rainy, clean air.

Mont-Tremblant vs Ottawa — September climate, side by side

	🇨🇦 Mont-Tremblant	🇨🇦 Ottawa
Comfort score	11/100 (F)	89/100 (A)
Feels-like high	19°C	22°C
Avg high / low	20° / 12°	22° / 11°
Rainfall	87 mm	66 mm
Rainy days	9	7
Humidity	77%	75%
Air quality (AQI)	35	39

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

Month by month

Mont-Tremblant vs Ottawa in September — FAQ

Is September better in Mont-Tremblant or Ottawa?: Ottawa is the better pick in September — 89 vs 11 on SeasonMap's comfort score. Ottawa is nice, a little rain, clean air, while Mont-Tremblant is nice, rainy, clean air.
What is the weather like in Mont-Tremblant vs Ottawa in September?: In September, Mont-Tremblant averages 20°C high / 12°C low with about 87 mm of rain; Ottawa averages 22°C high / 11°C low with about 66 mm.