September weather in Rotterdam, Netherlands
Averages from 150 days in September across 2020–2024.
Typical conditions
| Average high | 20.4°C |
|---|---|
| Average low | 12.7°C |
| Average mean | 16.3°C |
| Total precipitation | 397.6 mm |
| Rainy days | 96 |
| Average precipitation hours | 4.6 h |
| Average max wind speed | 18.8 km/h |
| Average sunshine | 9.3 h/day |
Explore other months
January February March April May June July August September October November December