Minneapolis weather in September
September in Minneapolis: nice, rainy, with clean air — one of the best months to visit.
#1 of 12 months in Minneapolis · #97 of 604 destinations to visit in September · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Minneapolis climate normals — September
| Daytime high | 23°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 58°F | |
| Feels like (high) | 23°C / 73°F | |
| Rainfall | 97 mm / 3.8 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 66% | 💧 humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 12.5 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Minneapolis in September — FAQ
- Is September a good time to visit Minneapolis?
- September in Minneapolis: nice, rainy, with clean air — one of the best months to visit. It ranks #1 of 12 months for Minneapolis on SeasonMap's comfort score (89/100).
- What is the weather like in Minneapolis in September?
- In September, Minneapolis averages a daily high of 23.4°C and a low of 14.5°C, with about 96.7 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Minneapolis in September?
- Minneapolis has a mean US Air Quality Index of about 41 in September.