Halifax weather in September
September in Halifax: nice, rainy, with clean air — a great time to visit.
#4 of 12 months in Halifax · #323 of 604 destinations to visit in September · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Halifax climate normals — September
| Daytime high | 19°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 58°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 108 mm / 4.3 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 8 h/day | |
| Daylight | 12.5 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Halifax?
Loading map…
Halifax in September — FAQ
- Is September a good time to visit Halifax?
- September in Halifax: nice, rainy, with clean air — a great time to visit. It ranks #4 of 12 months for Halifax on SeasonMap's comfort score (79/100).
- What is the weather like in Halifax in September?
- In September, Halifax averages a daily high of 19.3°C and a low of 14.7°C, with about 108.1 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Halifax in September?
- Halifax has a mean US Air Quality Index of about 37 in September.