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Locarno weather in September 2025
Expect 16°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Locarno in September. Check more long-term weather averages for Locarno in September before you book your next holiday to Switzerland in 2025/2026.
- 1616°C max day temperature
- 6 hours of sunshine per day
- 1212 days with some rainfall
- 99°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 132132 mm of monthly rainfall
- 55 (Moderate) UV index
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The September weather guide for Switzerland (Locarno) 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 warm is it in Locarno in September?
Daytime temperatures usually reach 16°C in Locarno in September, falling to 9°C at night.
How sunny is it in Locarno in September?
There are normally 6 hours of bright sunshine each day in Locarno in September - that's 46% of daylight hours.
Does it rain in Locarno in September?
There are usually 12 days with some rain in Locarno in September and the average monthly rainfall is 132mm.
Locarno September sunrise & sunset times
Browse the sunrise and sunset times for Locarno in September 2025. Select a month to view Locarno sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:45 | 19:03 |
Monday, 15th September 2025 | 06:03 | 18:36 |
Tuesday, 30th September 2025 | 06:22 | 18:07 |
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