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Weather in Luzern for September 2025

Your guide to Luzern weather in September - trends and predictions
  • 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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Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/11°
Temperatures
Average wind speed
7 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Luzern in September average weather

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Temperatures trend during September in Luzern

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
26° /12° 1.6 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
25° /12° 3.8 mm 6
3 Sept. Overcast
Overcast
26° /13° 7.4 mm 6
4 Sept. Overcast
Overcast
23° /11° 5 mm 5
5 Sept. Sunny
Sunny
24° /11° 1.8 mm 6
6 Sept. Sunny
Sunny
24° /10° 0.1 mm 6
7 Sept. Sunny
Sunny
27° /11° 0 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
25° /14° 8.2 mm 6
9 Sept. Sunny
Sunny
21° /13° 8.6 mm 6
10 Sept. Patchy rain possible
Patchy rain possible
23° /12° 1.1 mm 5
11 Sept. Sunny
Sunny
23° /11° 6.2 mm 6
12 Sept. Thundery outbreaks possible
Thundery outbreaks possible
18° /10° 4.5 mm 5
13 Sept. Mist
Mist
14° /8° 8 mm 3
14 Sept. Fog
Fog
13° /6° 2.3 mm 4
15 Sept. Partly cloudy
Partly cloudy
18° /5° 0 mm 5
16 Sept. Light rain shower
Light rain shower
20° /6° 1.5 mm 5
17 Sept. Sunny
Sunny
18° /10° 0.5 mm 5
18 Sept. Light rain shower
Light rain shower
19° /8° 9.6 mm 5
19 Sept. Patchy rain possible
Patchy rain possible
18° /9° 1.4 mm 5
20 Sept. Patchy rain possible
Patchy rain possible
21° /8° 1 mm 5
21 Sept. Partly cloudy
Partly cloudy
22° /10° 2.1 mm 6
22 Sept. Light rain shower
Light rain shower
17° /8° 14.8 mm 4
23 Sept. Light rain shower
Light rain shower
16° /7° 6.4 mm 4
24 Sept. Sunny
Sunny
17° /6° 1.7 mm 5
25 Sept. Sunny
Sunny
19° /7° 0 mm 5
26 Sept. Sunny
Sunny
18° /8° 8.1 mm 5
27 Sept. Sunny
Sunny
19° /10° 2.7 mm 5
28 Sept. Partly cloudy
Partly cloudy
16° /8° 6 mm 4
29 Sept. Sunny
Sunny
20° /7° 0.1 mm 5
30 Sept. Mist
Mist
19° /9° 0.9 mm 5
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Important Notice
Our weather forecast for Luzern 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 Luzern forecast closer to your planned date for the most up-to-date weather information.

Luzern in September - FAQ

What are the expected maximum and minimum temperatures in Luzern during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Luzern during September?
Moderate rainfall is anticipated in Luzern during September, with a total of 63.1 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Luzern during September?
The average wind speed in Luzern during September is 7 km/h, suggesting breezy to windy conditions, depending on your activities.

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

Explore the daily rainfall trends and prepare for Luzerns September weather 💧

UV exposure in Luzern during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Luzern?

Get accurate weather forecasts for Luzern, located at latitude 47.05 and longitude 8.306. Stay updated with localized weather information tailored for Luzern.

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