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9°
Overcast
Feels Like: 10°
Min: 9°
Max: 22°
The next few hours will be clear, with today reaching 22°C and dropping to 13°C. The coming days will be rain throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:41
Sunrise
19:22
Sunset
Moon
Waxing Gibbous
18:56
Moonrise
05:52
Moonset
Daily Forecast
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View stargazing scoreWeather in Alphen aan den Rijn today, September 25, 2026
Alphen aan den Rijn starts September 25, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The first half of the day looks overcast, as cloud amounts reach about 100% around 05:00. Brighter weather, if it comes, waits until later.
Expect highs of 22°C and cooler readings close to 9°C. The air stays humid, with relative humidity between 49% and 92% and the peak around 07:00. Winds stay light, near 2.9 km/h by 13:00, so the day feels still more than breezy.
Afternoon skies stay clogged, peaking close to 81% near 23:00. The grey theme continues rather than clearing out. Visibility holds near 33.4 km, though it can fall to 18.0 km. Sunrise is at 07:41 and sunset at 19:22, giving 11 hours 41 minutes of sunlight today.
The practical takeaway for Alphen aan den Rijn is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 22°C.
Frequently asked questions about weather in Alphen aan den Rijn
How warm does it get in Alphen aan den Rijn?
The warmest month in Alphen aan den Rijn is August, with average high temperatures of 22°C. The average temperature during this period is around 18°C.
How cold does it get in Alphen aan den Rijn?
The coldest month in Alphen aan den Rijn is January, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Alphen aan den Rijn?
The wettest month in Alphen aan den Rijn is October, with an average of 102mm of precipitation.
What is the driest time of year in Alphen aan den Rijn?
The driest month in Alphen aan den Rijn is April, with an average of 59mm of precipitation.
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