Austria weather in September 2025

Expect 21°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Austria in September. Check more long-term weather averages for Austria in September before you book your next holiday to Austria in 2025/2026.

• 21
  21°C max day temperature
• 6
  6 hours of sunshine per day
• 10
  10 days with some rainfall
• 11
  11°C min night temperature
• 13
  13 hours of daylight per day
• 0
  No heat & humidity
• 42
  42 mm of monthly rainfall
• 4
  4 (Moderate) UV index

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The September weather guide for Austria (Vienna) 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.

Top Austria destinations

Below are average maximum temperatures at popular countries, regions and places in Austria in September. Select a holiday destination to see more weather parameters.

• 21
  Vienna
• 20
  Graz
• 20
  Klagenfurt
• 20
  Linz
• 19
  Bregenz
• 19
  Salzburg
• 19
  Villach
• 17
  Innsbruck
• 16
  Kitzbuhel
• 14
  Zell am See

All Austria regions

• Austrian Alps

All Austria destinations

• Bregenz
• Graz
• Innsbruck
• Kitzbuhel
• Klagenfurt
• Linz
• Salzburg
• Vienna
• Villach
• Zell am See

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Austria

Austria September sunrise & sunset times

Browse the sunrise and sunset times for Austria in September 2025. Select a month to view Austria sunrise and sunset times for the next 12 months. The Austria sunrise and sunset times shown below are for Vienna.

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