Climate almanac
Alkmaar
North Holland, The Netherlands · 52.63°, 4.75°
What is the weather like in Alkmaar in September?
In September, Alkmaar is typically 65°F (18°C) during the day and 58°F (14°C) at night. The month brings about 3.7 in (94 mm) of precipitation in total.
- Average high65°F (18°C)
- Average low58°F (14°C)
- Precipitation3.7 in (94 mm)
- Clear or mostly clear days5
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)