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Hourly Forecast
Daylight Hours
07:42
Sunrise
19:24
Sunset
Moon
Waxing Gibbous
18:57
Moonrise
05:54
Moonset
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View stargazing scoreWeather in Brussels today, September 25, 2026
Expect a mostly clear day in Brussels on September 25, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. Cloud leads the morning, peaking close to 100% near 06:00. Sunshine has little room until later in the day.
The day peaks near 24°C and cools toward 11°C. Relative humidity sits between 41% and 76%, reaching its peak around 05:00. Airflow remains manageable, reaching about 2.4 km/h around 14:00.
Afternoon conditions open up, holding cloud close to 0% near 12:00. The day finishes on a milder, brighter note. Visibility holds near 40.8 km, though it can fall to 37.1 km. Daylight runs from 07:42 to 19:24, lasting 11 hours 42 minutes of sunlight today.
The practical takeaway for Brussels is a bright September 25, 2026, ideal for outdoor errands before temperatures ease from about 24°C.
Frequently asked questions about weather in Brussels
How warm does it get in Brussels?
The warmest month in Brussels is August, with average high temperatures of 23°C. The average temperature during this period is around 19°C.
How cold does it get in Brussels?
The coldest month in Brussels is January, with average low temperatures of 2°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Brussels?
The wettest month in Brussels is January, with an average of 85mm of precipitation.
What is the driest time of year in Brussels?
The driest month in Brussels is April, with an average of 49mm of precipitation.
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