Weather in Leuven for September 2025
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 sees moderate rainfall in September, averaging 8 rainy days.
Is September a good time to visit Leuven? check out the best time to travel to Leuven page.
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Leuven in September average weather
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
September weather day by day
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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Leuven in September - FAQ
What to pack to Leuven in September?
As you prepare for your trip to Leuven in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Leuven, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Leuven
UV exposure in Leuven during September
Quick links
Get accurate weather forecasts for Leuven, located at latitude 50.88 and longitude 4.701. Stay updated with localized weather information tailored for Leuven.