What is the weather like in Halifax vs Ottawa in September?

In September, Halifax averages 21°C high / 12°C low with about 87 mm of rain; Ottawa averages 22°C high / 11°C low with about 66 mm.

Halifax vs Ottawa in September

Ottawa is the better pick in September — 89 vs 85 on SeasonMap's comfort score. Ottawa is nice, a little rain, clean air, while Halifax is nice, rainy, clean air.

Halifax vs Ottawa — September climate, side by side

	🇨🇦 Halifax	🇨🇦 Ottawa
Comfort score	85/100 (A)	89/100 (A)
Feels-like high	21°C	22°C
Avg high / low	21° / 12°	22° / 11°
Rainfall	87 mm	66 mm
Rainy days	6	7
Humidity	80%	75%
Air quality (AQI)	37	39

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

Month by month

Halifax 🇨🇦 Canadanice, rainy, clean air · best July85
Ottawa 🇨🇦 Canadanice, a little rain, clean air · best June89

Halifax vs Ottawa in September — FAQ

Is September better in Halifax or Ottawa?: Ottawa is the better pick in September — 89 vs 85 on SeasonMap's comfort score. Ottawa is nice, a little rain, clean air, while Halifax is nice, rainy, clean air.
What is the weather like in Halifax vs Ottawa in September?: In September, Halifax averages 21°C high / 12°C low with about 87 mm of rain; Ottawa averages 22°C high / 11°C low with about 66 mm.