Stuttgart weather in September
September in Stuttgart: nice, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Stuttgart · #77 of 604 destinations to visit in September · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Stuttgart climate normals — September
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 48 mm / 1.9 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 75% | 💧 humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 9.1 h/day | |
| Daylight | 12.6 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Stuttgart?
Loading map…
Stuttgart in September — FAQ
- Is September a good time to visit Stuttgart?
- September in Stuttgart: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Stuttgart on SeasonMap's comfort score (90/100).
- What is the weather like in Stuttgart in September?
- In September, Stuttgart averages a daily high of 21.2°C and a low of 11.6°C, with about 48 mm of rain over roughly 7.6 rainy days.
- What is the air quality in Stuttgart in September?
- Stuttgart has a mean US Air Quality Index of about 44 in September.