Graz weather in September 2026

Expect daytime maximum temperatures of 68°F in Graz, Austria in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 68°F maximum daytime temperature in September in Graz68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Graz11
    11 days with some rainfall
  • 48°F minimum night-time temperature in September in Graz48
    48°F min night temperature
  • 13 hours of daylight per day in September in Graz13
    13 hours of daylight per day
  • No heat & humidity in September in Graz0
    No heat & humidity
  • 3.5 inches monthly rainfall in September in Graz3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Graz5
    5 (Moderate) UV index

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The September weather guide for Austria (Graz) 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)  |  Imperial (°F)

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How hot is it in Graz in September?

Daytime temperatures usually reach 70°F in Graz in September, falling to 52°F at night.

How sunny is it in Graz in September?

There are normally 6 hours of bright sunshine each day in Graz in September - that's 45% of daylight hours.

Does it rain in Graz in September?

There are usually 10 days with some rain in Graz in September and the average monthly rainfall is 1.7 inches.

Graz September sunrise & sunset times

Browse the sunrise and sunset times for Graz in September 2026. Select a month to view Graz sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:17 18:38
Tuesday, 15th September 2026 05:36 18:10
Wednesday, 30th September 2026 05:55 17:40

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