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

In September, Ottawa averages 22°C high / 11°C low with about 66 mm of rain; Quebec City averages 21°C high / 11°C low with about 96 mm.

Ottawa vs Quebec City in September

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

Ottawa vs Quebec City — September climate, side by side

	🇨🇦 Ottawa	🇨🇦 Quebec City
Comfort score	89/100 (A)	84/100 (A)
Feels-like high	22°C	20°C
Avg high / low	22° / 11°	21° / 11°
Rainfall	66 mm	96 mm
Rainy days	7	10
Humidity	75%	77%
Air quality (AQI)	39	41

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

Month by month

Ottawa vs Quebec City in September — FAQ

Is September better in Ottawa or Quebec City?: Ottawa is the better pick in September — 89 vs 84 on SeasonMap's comfort score. Ottawa is nice, a little rain, clean air, while Quebec City is nice, rainy, clean air.
What is the weather like in Ottawa vs Quebec City in September?: In September, Ottawa averages 22°C high / 11°C low with about 66 mm of rain; Quebec City averages 21°C high / 11°C low with about 96 mm.