Berlin weather in September
September in Berlin: nice, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Berlin · #159 of 604 destinations to visit in September · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Berlin climate normals — September
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 49 mm / 1.9 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 12.7 h | |
| Wind | 15 km/h / 10 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Berlin in September — FAQ
- Is September a good time to visit Berlin?
- September in Berlin: nice, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Berlin on SeasonMap's comfort score (86/100).
- What is the weather like in Berlin in September?
- In September, Berlin averages a daily high of 20.6°C and a low of 12°C, with about 48.6 mm of rain over roughly 7.6 rainy days.
- What is the air quality in Berlin in September?
- Berlin has a mean US Air Quality Index of about 46 in September.