Osijek weather in September 2025

Expect 23°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Osijek in September. Check more long-term weather averages for Osijek in September before you book your next holiday to Croatia in 2025/2026.

  • 23°C maximum daytime temperature in September in Osijek23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in September in Osijek10
    10 days with some rainfall
  • 11°C minimum night-time temperature in September in Osijek11
    11°C min night temperature
  • 13 hours of daylight per day in September in Osijek13
    13 hours of daylight per day
  • No heat & humidity in September in Osijek0
    No heat & humidity
  • 46 mm monthly rainfall in September in Osijek46
    46 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Osijek5
    5 (Moderate) UV index

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The September weather guide for Croatia (Osijek) 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 Croatia

How hot is it in Osijek in September?

Daytime temperatures usually reach 23°C in Osijek in September, falling to 11°C at night.

How sunny is it in Osijek in September?

There are normally 7 hours of bright sunshine each day in Osijek in September - that's 52% of daylight hours.

Does it rain in Osijek in September?

There are usually 10 days with some rain in Osijek in September and the average monthly rainfall is 46mm.

Osijek September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:07 18:23
Monday, 15th September 2025 05:24 17:56
Tuesday, 30th September 2025 05:42 17:27

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