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Hourly Forecast
Daylight Hours
07:41
Sunrise
19:22
Sunset
Moon
Waxing Gibbous
18:56
Moonrise
05:51
Moonset
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View stargazing scoreWeather in Alkmaar today, September 25, 2026
Expect a mostly clear day in Alkmaar on September 25, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. Expect a grey start, with morning cloud around 100% by 05:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 20°C and cooler readings close to 9°C. The air stays humid, with relative humidity between 53% and 92% and the peak around 05:00. Airflow remains manageable, reaching about 3.3 km/h around 14:00.
Expect persistent cloud later on, with amounts around 95% by 23:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 32.5 km on average, though it can drop toward 19.0 km in thicker cloud or showers. Expect sunrise at 07:41, sunset at 19:22, and 11 hours 40 minutes of sunlight today overall.
Overall, Alkmaar on September 25, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 20°C.
Frequently asked questions about weather in Alkmaar
How warm does it get in Alkmaar?
The warmest month in Alkmaar is August, with average high temperatures of 20°C. The average temperature during this period is around 18°C.
How cold does it get in Alkmaar?
The coldest month in Alkmaar is February, with average low temperatures of 4°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Alkmaar?
The wettest month in Alkmaar is October, with an average of 107mm of precipitation.
What is the driest time of year in Alkmaar?
The driest month in Alkmaar is May, with an average of 45mm of precipitation.
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