See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:35
Sunrise
19:25
Sunset
Moon
Waxing Gibbous
18:27
Moonrise
03:18
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Lummen.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Lummen.
View stargazing scoreWeather in Lummen today, September 23, 2026
Lummen stays under cloudy skies on September 23, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.
The temperature range runs from about 9°C up to 20°C. The air stays humid, with relative humidity between 56% and 86% and the peak around 23:00. A lighter breeze peaks around 14:00 near 2.7 km/h.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 37.5 km, though it can fall to 27.2 km. The sun rises at 07:35 and sets at 19:25, for a total of 11 hours 50 minutes of sunlight today.
Taken together, overcast skies in Lummen on September 23, 2026 favour indoor or covered options, with temperatures near 20°C.
Frequently asked questions about weather in Lummen
How warm does it get in Lummen?
The warmest month in Lummen is August, with average high temperatures of 24°C. The average temperature during this period is around 19°C.
How cold does it get in Lummen?
The coldest month in Lummen 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 Lummen?
The wettest month in Lummen is June, with an average of 86mm of precipitation.
What is the driest time of year in Lummen?
The driest month in Lummen is April, with an average of 52mm of precipitation.
Explore more weather forecasts
- Herk-de-Stad, Flanders
- Brussels, Bruxelles-Capitale
- Paal, Flanders
- Antwerpen, Flanders
- Beringen, Flanders
- Gent, Flanders
- Heusden, Flanders
- Charleroi, Wallonia
- Kuringen, Flanders
- Liège, Wallonia
- Zolder, Flanders
- Schaerbeek, Bruxelles-Capitale
- Koersel, Flanders
- Brugge, Flanders
- Diest, Flanders
- Namur, Wallonia