Italian Alps weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Italian Alps in September. Check more long-term weather averages for Italian Alps in September before you book your next holiday to Italian Alps in 2025/2026.

  • 18°C maximum daytime temperature in September in Italian Alps (Bolzano)18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in September in Italian Alps (Bolzano)12
    12 days with some rainfall
  • 8°C minimum night-time temperature in September in Italian Alps (Bolzano)8
    8°C min night temperature
  • 13 hours of daylight per day in September in Italian Alps (Bolzano)13
    13 hours of daylight per day
  • No heat & humidity in September in Italian Alps (Bolzano)0
    No heat & humidity
  • 76 mm monthly rainfall in September in Italian Alps (Bolzano)76
    76 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Italian Alps (Bolzano)5
    5 (Moderate) UV index

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The September weather guide for Italian Alps (Bolzano) 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)

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More about Italy

How hot is it in the Italian Alps in September?

Daytime temperatures usually reach 18°C in Bolzano, Italian Alps in September, falling to 8°C at night.

How sunny is it in the Italian Alps in September?

There are normally 6 hours of bright sunshine each day in Bolzano, Italian Alps in September - that's 47% of daylight hours.

Does it rain in the Italian Alps in September?

There are usually 12 days with some rain in Bolzano, Italian Alps in September and the average monthly rainfall is 76mm.

Italian Alps September sunrise & sunset times

Browse the sunrise and sunset times for Italian Alps in September 2025. Select a month to view Italian Alps sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:35 18:53
Monday, 15th September 2025 05:53 18:26
Tuesday, 30th September 2025 06:12 17:56

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