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Luzern weather in September 2025
Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Luzern in September. Check more long-term weather averages for Luzern in September before you book your next holiday to Switzerland in 2025/2026.
- 1818°C max day temperature
- 5 hours of sunshine per day
- 1313 days with some rainfall
- 1010°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 101101 mm of monthly rainfall
- 55 (Moderate) UV index
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Luzern by month
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Recommended for Switzerland
The September weather guide for Switzerland (Luzern) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Switzerland
How hot is it in Luzern in September?
Daytime temperatures usually reach 18°C in Luzern in September, falling to 10°C at night.
How sunny is it in Luzern in September?
There are normally 5 hours of bright sunshine each day in Luzern in September - that's 43% of daylight hours.
Does it rain in Luzern in September?
There are usually 13 days with some rain in Luzern in September and the average monthly rainfall is 101mm.
Luzern September sunrise & sunset times
Browse the sunrise and sunset times for Luzern in September 2025. Select a month to view Luzern sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:46 | 19:06 |
Monday, 15th September 2025 | 06:04 | 18:38 |
Tuesday, 30th September 2025 | 06:24 | 18:08 |
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