SeasonMapMontreal vs Ottawa in September
Montreal and Ottawa are nearly tied in September — 89 vs 89 on SeasonMap's comfort score. Montreal is nice, a little rain, clean air; Ottawa is nice, a little rain, clean air.
Montreal vs Ottawa — September climate, side by side
| Montreal | Ottawa | |
|---|---|---|
| Comfort score | 89/100 (A) | 89/100 (A) |
| Feels-like high | 20°C | 22°C |
| Avg high / low | 21° / 13° | 22° / 11° |
| Rainfall | 75 mm | 66 mm |
| Rainy days | 7 | 7 |
| Humidity | 74% | 75% |
| Air quality (AQI) | 47 | 39 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Montreal vs Ottawa in September — FAQ
- Is September better in Montreal or Ottawa?
- Montreal and Ottawa are nearly tied in September — 89 vs 89 on SeasonMap's comfort score. Montreal is nice, a little rain, clean air; Ottawa is nice, a little rain, clean air.
- What is the weather like in Montreal vs Ottawa in September?
- In September, Montreal averages 21°C high / 13°C low with about 75 mm of rain; Ottawa averages 22°C high / 11°C low with about 66 mm.