Weather in ロッテルダム in 9月
Climate normals based on 10 years of historical data for ロッテルダム, オランダ王国.
Average high
20°C
Average low
13°C
Rainfall
83 mm
12 rainy days
Sunshine
3.1h/day
湿度
72%
Sea temperature
19.4°C
How Hot Is ロッテルダム in 9月?
Indian summer territory: ロッテルダム averages 20°C peak, 13°C low, in September.
Sunshine Hours in 9月
Sun comes and goes in ロッテルダム: 3.1h of direct sun, daylight from 7:15 am to 7:55 pm.
Does It Rain In ロッテルダム In 9月?
Rain interrupts most days in ロッテルダム: 83mm in 12 days.
Is ロッテルダム Humid In 9月?
Mugginess defines the air in ロッテルダム: 72% humidity, especially heavy after rain.
How Warm Is The Sea In ロッテルダム In 9月?
Water temperatures around 19.4°C make September early-season swimming possible in ロッテルダム.
Wind In ロッテルダム In 9月
Light breezes typical: ロッテルダム averages 19 kph wind in September.
Cloud Cover In ロッテルダム In 9月
Grey, cloudy days are the norm: 65% average cover in ロッテルダム.
Cities With Similar Weather In 9月
Weather in ロッテルダム, month by month
| Month | High / Low | 雨 | |
|---|---|---|---|
| 1月の天気 | 7°C / 3°C | 79mm | Details → |
| 2月の天気 | 8°C / 3°C | 69mm | Details → |
| 3月の天気 | 10°C / 4°C | 69mm | Details → |
| 4月の天気 | 14°C / 6°C | 57mm | Details → |
| 5月の天気 | 17°C / 10°C | 66mm | Details → |
| 6月の天気 | 21°C / 13°C | 75mm | Details → |
| 7月の天気 | 22°C / 15°C | 78mm | Details → |
| 8月の天気 | 23°C / 15°C | 78mm | Details → |
| 9月の天気 | 20°C / 13°C | 83mm | |
| 10月の天気 | 15°C / 10°C | 86mm | Details → |
| 11月の天気 | 11°C / 6°C | 83mm | Details → |
| 12月の天気 | 8°C / 5°C | 79mm | Details → |