Amsterdam weather in September
September in Amsterdam: nice, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Amsterdam · #256 of 604 destinations to visit in September · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Amsterdam climate normals — September
| Daytime high | 19°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 56°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 66 mm / 2.6 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 12.7 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Amsterdam in September — FAQ
- Is September a good time to visit Amsterdam?
- September in Amsterdam: nice, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Amsterdam on SeasonMap's comfort score (82/100).
- What is the weather like in Amsterdam in September?
- In September, Amsterdam averages a daily high of 19.3°C and a low of 13.3°C, with about 65.8 mm of rain over roughly 11 rainy days.
- What is the air quality in Amsterdam in September?
- Amsterdam has a mean US Air Quality Index of about 49 in September.