Leuven
September
Weather in Leuven for September 2025
Your guide to Leuven weather in September - trends and predictions
In general, the average temperature in Leuven at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.1 °C by the end of September.
Leuven in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 86.2 mm.
Temperatures
Rain 🌧️
10
Dry days
20
Rainy days
0
Snow days
21°/13°
Temperatures
20 km/h
Avg max wind
73 %
Avg humidity
Leuven in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2 26° | 3  24° | 4  23° | 5 25° | 6 25° | 7 28° |
| 8 26° | 9 23° | 10 23° | 11 22° | 12  19° | 13  18° | 14 19° |
| 15  22° | 16 22° | 17 23° | 18 24° | 19 22° | 20 23° | 21 22° |
| 22 20° | 23 18° | 24 18° | 25 18° | 26 20° | 27 19° | 28 17° |
| 29 18° | 30 17° |
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Temperatures trend during September in Leuven
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 25° /15° | 20.8 mm | 7 | |
| 2 Sept. | Patchy rain possible | 26° /16° | 3.1 mm | 6 | |
| 3 Sept. | Mist | 24° /16° | 0.1 mm | 5 | |
| 4 Sept. | Sunny | 23° /13° | 1 mm | 6 | |
| 5 Sept. | Sunny | 25° /15° | 6.3 mm | 6 | |
| 6 Sept. | Sunny | 25° /15° | 0.8 mm | 6 | |
| 7 Sept. | Sunny | 28° /14° | 0.6 mm | 7 | |
| 8 Sept. | Sunny | 26° /15° | 2.2 mm | 7 | |
| 9 Sept. | Sunny | 23° /15° | 4.2 mm | 6 | |
| 10 Sept. | Sunny | 23° /15° | 0.9 mm | 6 | |
| 11 Sept. | Patchy rain possible | 22° /13° | 4.2 mm | 5 | |
| 12 Sept. | Cloudy | 19° /11° | 1.4 mm | 4 | |
| 13 Sept. | Overcast | 18° /9° | 1.1 mm | 5 | |
| 14 Sept. | Cloudy | 19° /11° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 22° /10° | 0 mm | 5 | |
| 16 Sept. | Sunny | 22° /12° | 0.5 mm | 6 | |
| 17 Sept. | Light rain shower | 23° /14° | 1 mm | 5 | |
| 18 Sept. | Overcast | 24° /14° | 0.6 mm | 6 | |
| 19 Sept. | Patchy rain possible | 22° /12° | 0.1 mm | 6 | |
| 20 Sept. | Partly cloudy | 23° /13° | 0 mm | 6 | |
| 21 Sept. | Light rain shower | 22° /12° | 5.5 mm | 5 | |
| 22 Sept. | Light rain shower | 20° /12° | 1.6 mm | 5 | |
| 23 Sept. | Patchy rain possible | 18° /11° | 7.4 mm | 4 | |
| 24 Sept. | Partly cloudy | 18° /9° | 1.2 mm | 5 | |
| 25 Sept. | Overcast | 18° /11° | 10 mm | 5 | |
| 26 Sept. | Partly cloudy | 20° /12° | 3.3 mm | 5 | |
| 27 Sept. | Overcast | 19° /11° | 2.3 mm | 4 | |
| 28 Sept. | Mist | 17° /11° | 2.9 mm | 4 | |
| 29 Sept. | Light rain shower | 18° /8° | 0.7 mm | 4 | |
| 30 Sept. | Partly cloudy | 17° /9° | 2.2 mm | 4 | |
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Important Notice
Our weather forecast for Leuven in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Leuven forecast closer to your planned date for the most up-to-date weather information.
Leuven in September - FAQ
What are the expected maximum and minimum temperatures in Leuven during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Leuven during September?
Moderate rainfall is anticipated in Leuven during September, with a total of 86.2 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Leuven during September?
The average wind speed in Leuven during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Leuven
Explore the daily rainfall trends and prepare for Leuvens September weather 💧
UV exposure in Leuven during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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