Weather in Rotterdam in September
Climate normals based on 10 years of historical data for Rotterdam, Belanda.
Average high
20°C
Average low
13°C
Rainfall
83 mm
12 rainy days
Sunshine
3.1h/day
Kelembapan
72%
Sea temperature
19.4°C
How Hot Is Rotterdam in September?
Late summer in Rotterdam: 20°C afternoons, 13°C cooler nights.
Sunshine Hours in September
Sun comes and goes in Rotterdam: 3.1h of direct sun, daylight from 7:15 am to 7:55 pm.
Does It Rain In Rotterdam In September?
Showers come almost daily: 83mm in 12 days in Rotterdam.
Is Rotterdam Humid In September?
September brings sticky conditions to Rotterdam — humidity averages 72%, particularly noticeable in the afternoons.
How Warm Is The Sea In Rotterdam In September?
Sea temperatures sit at 19.4°C off Rotterdam this September — refreshing but bearable.
Wind In Rotterdam In September
September brings gentle winds to Rotterdam — averaging 19 kph.
Cloud Cover In Rotterdam In September
Cloudy skies dominate Rotterdam in September — averaging 65% cloud cover.
Cities With Similar Weather In September
Weather in Rotterdam, month by month
| Month | High / Low | Hujan | |
|---|---|---|---|
| Cuaca di Bulan Januari | 7°C / 3°C | 79mm | Details → |
| Cuaca di Bulan Februari | 8°C / 3°C | 69mm | Details → |
| Cuaca di Bulan Maret | 10°C / 4°C | 69mm | Details → |
| Cuaca di Bulan April | 14°C / 6°C | 57mm | Details → |
| Cuaca di Bulan Mei | 17°C / 10°C | 66mm | Details → |
| Cuaca di Bulan Juni | 21°C / 13°C | 75mm | Details → |
| Cuaca di Bulan Juli | 22°C / 15°C | 78mm | Details → |
| Cuaca di Bulan Agustus | 23°C / 15°C | 78mm | Details → |
| Cuaca di Bulan September | 20°C / 13°C | 83mm | |
| Cuaca di Bulan Oktober | 15°C / 10°C | 86mm | Details → |
| Cuaca di Bulan November | 11°C / 6°C | 83mm | Details → |
| Cuaca di Bulan Desember | 8°C / 5°C | 79mm | Details → |