Weather in Haarlem in September
Climate normals based on 10 years of historical data for Haarlem, Niederlande.
Average high
19°C
Average low
14°C
Rainfall
98 mm
12 rainy days
Sunshine
2.8h/day
Luftfeuchtigkeit
74%
How Hot Is Haarlem in September?
September brings typical readings of 19°C by day and 14°C by night to Haarlem.
Sunshine Hours in September
Heavy overcast keeps sun limited in Haarlem: just 2.8h a day in September.
Does It Rain In Haarlem In September?
Frequent showers shape Haarlem's September: 98mm over 12 days.
Is Haarlem Humid In September?
High levels of humidity in Haarlem year-round (about 74%) will make it feel warmer than the thermometer suggests.
Wind In Haarlem In September
Wind picks up in Haarlem during September — averaging 26 kph, with gustier afternoons.
Cloud Cover In Haarlem In September
Cloudy skies dominate Haarlem in September — averaging 67% cloud cover.
Cities With Similar Weather In September
Weather in Haarlem, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 7°C / 4°C | 86mm | Details → |
| Wetter im Februar | 7°C / 4°C | 77mm | Details → |
| Wetter im März | 9°C / 5°C | 66mm | Details → |
| Wetter im April | 11°C / 7°C | 55mm | Details → |
| Wetter im Mai | 15°C / 10°C | 57mm | Details → |
| Wetter im Juni | 18°C / 14°C | 71mm | Details → |
| Wetter im Juli | 20°C / 16°C | 79mm | Details → |
| Wetter im August | 21°C / 16°C | 89mm | Details → |
| Wetter im September | 19°C / 14°C | 98mm | |
| Wetter im Oktober | 15°C / 11°C | 101mm | Details → |
| Wetter im November | 11°C / 7°C | 98mm | Details → |
| Wetter im Dezember | 8°C / 6°C | 88mm | Details → |