Weather in Luzern for September 2025
In general, the average temperature in Luzern at the beginning of September is 25 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.3 °C by the end of September.
Luzern sees moderate rainfall in September, averaging 9 rainy days.
Is September a good time to visit Luzern? check out the best time to travel to Luzern page.
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Luzern in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 26° | 2 25° | 3 26° | 4 23° | 5 24° | 6 24° | 7 27° |
8 25° | 9 21° | 10 23° | 11 23° | 12 18° | 13 14° | 14 13° |
15 18° | 16 20° | 17 18° | 18 19° | 19 18° | 20 21° | 21 22° |
22 17° | 23 16° | 24 17° | 25 19° | 26 18° | 27 19° | 28 16° |
29 20° | 30 19° |
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Temperatures trend during September in Luzern
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Partly cloudy | 26° /12° | 1.6 mm | 6 | |
2 Sept. | Patchy rain possible | 25° /12° | 3.8 mm | 6 | |
3 Sept. | Overcast | 26° /13° | 7.4 mm | 6 | |
4 Sept. | Overcast | 23° /11° | 5 mm | 5 | |
5 Sept. | Sunny | 24° /11° | 1.8 mm | 6 | |
6 Sept. | Sunny | 24° /10° | 0.1 mm | 6 | |
7 Sept. | Sunny | 27° /11° | 0 mm | 7 | |
8 Sept. | Patchy rain possible | 25° /14° | 8.2 mm | 6 | |
9 Sept. | Sunny | 21° /13° | 8.6 mm | 6 | |
10 Sept. | Patchy rain possible | 23° /12° | 1.1 mm | 5 | |
11 Sept. | Sunny | 23° /11° | 6.2 mm | 6 | |
12 Sept. | Thundery outbreaks possible | 18° /10° | 4.5 mm | 5 | |
13 Sept. | Mist | 14° /8° | 8 mm | 3 | |
14 Sept. | Fog | 13° /6° | 2.3 mm | 4 | |
15 Sept. | Partly cloudy | 18° /5° | 0 mm | 5 | |
16 Sept. | Light rain shower | 20° /6° | 1.5 mm | 5 | |
17 Sept. | Sunny | 18° /10° | 0.5 mm | 5 | |
18 Sept. | Light rain shower | 19° /8° | 9.6 mm | 5 | |
19 Sept. | Patchy rain possible | 18° /9° | 1.4 mm | 5 | |
20 Sept. | Patchy rain possible | 21° /8° | 1 mm | 5 | |
21 Sept. | Partly cloudy | 22° /10° | 2.1 mm | 6 | |
22 Sept. | Light rain shower | 17° /8° | 14.8 mm | 4 | |
23 Sept. | Light rain shower | 16° /7° | 6.4 mm | 4 | |
24 Sept. | Sunny | 17° /6° | 1.7 mm | 5 | |
25 Sept. | Sunny | 19° /7° | 0 mm | 5 | |
26 Sept. | Sunny | 18° /8° | 8.1 mm | 5 | |
27 Sept. | Sunny | 19° /10° | 2.7 mm | 5 | |
28 Sept. | Partly cloudy | 16° /8° | 6 mm | 4 | |
29 Sept. | Sunny | 20° /7° | 0.1 mm | 5 | |
30 Sept. | Mist | 19° /9° | 0.9 mm | 5 | |
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Luzern in September - FAQ
What to pack to Luzern in September?
As you prepare for your trip to Luzern 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 Luzern, 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 Luzern
UV exposure in Luzern during September
Quick links
Get accurate weather forecasts for Luzern, located at latitude 47.05 and longitude 8.306. Stay updated with localized weather information tailored for Luzern.