Weather in Rotterdam in September
In an average September, Rotterdam sees a daily high around 19°C and a low around 11°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 15°C to 23°C |
| Average low | 11°C |
| Typical low range | 8°C to 15°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
31°C
2016-09-13
Lowest
10°C
1996-09-22
Low
Highest
18°C
2023-09-10
Lowest
2°C
2018-09-30
Feels-like
Highest
40°C
2020-09-15
Lowest
-3°C
2018-09-30
Humidity
Highest
16.9 g/m³
2023-09-10
Lowest
6.7 g/m³
2018-09-29
Wind
Highest
46 km/h
2017-09-13
Lowest
6 km/h
1982-09-14
Gust
Highest
85 km/h
2025-09-15
Lowest
12 km/h
1989-09-24
Precip
Wettest
159 mm
1998
Driest
22 mm
2016
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