Zagreb weather in September 2025

Expect daytime maximum temperatures of 72°F in Zagreb, Croatia in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 3.8 inches of rainfall in the month.

  • 72°F maximum daytime temperature in September in Zagreb72
    72°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in September in Zagreb12
    12 days with some rainfall
  • 52°F minimum night-time temperature in September in Zagreb52
    52°F min night temperature
  • 13 hours of daylight per day in September in Zagreb13
    13 hours of daylight per day
  • No heat & humidity in September in Zagreb0
    No heat & humidity
  • 3.8 inches monthly rainfall in September in Zagreb3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Zagreb5
    5 (Moderate) UV index

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The September weather guide for Croatia (Zagreb) 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 Zagreb in September?

Daytime temperatures usually reach 72°F in Zagreb in September, falling to 52°F at night.

How sunny is it in Zagreb in September?

There are normally 6 hours of bright sunshine each day in Zagreb in September - that's 51% of daylight hours.

Does it rain in Zagreb in September?

There are usually 12 days with some rain in Zagreb in September and the average monthly rainfall is 3.8 inches.

Zagreb September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:17 18:34
Monday, 15th September 2025 05:34 18:07
Tuesday, 30th September 2025 05:53 17:38

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