Churchill weather in September
September in Churchill: cold, a little rain, with clean air — a great time to visit.
#4 of 12 months in Churchill · #363 of 604 destinations to visit in September · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Churchill climate normals — September
| Daytime high | 13°C / 55°F | 🧥 cold |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Feels like (high) | 9°C / 48°F | |
| Rainfall | 67 mm / 2.6 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 6.3 h/day | |
| Daylight | 12.8 h | |
| Wind | 33 km/h / 20 mph | |
| Snowfall | 2.1 cm / 0.8 in | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Churchill in September — FAQ
- Is September a good time to visit Churchill?
- September in Churchill: cold, a little rain, with clean air — a great time to visit. It ranks #4 of 12 months for Churchill on SeasonMap's comfort score (76/100).
- What is the weather like in Churchill in September?
- In September, Churchill averages a daily high of 12.8°C and a low of 6.9°C, with about 66.6 mm of rain over roughly 11.6 rainy days.
- What is the air quality in Churchill in September?
- Churchill has a mean US Air Quality Index of about 34 in September.
- Does it snow in Churchill in September?
- Churchill sees roughly 2.1 cm of snowfall in September.