Sibenik weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sibenik in September. Check more long-term weather averages for Sibenik in September before you book your next holiday to Croatia in 2025/2026.

  • 25°C maximum daytime temperature in September in Sibenik25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in September in Sibenik10
    10 days with some rainfall
  • 15°C minimum night-time temperature in September in Sibenik15
    15°C min night temperature
  • 12 hours of daylight per day in September in Sibenik12
    12 hours of daylight per day
  • Low heat & humidity in September in SibenikL
    Low heat & humidity
  • 78 mm monthly rainfall in September in Sibenik78
    78 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Sibenik5
    5 (Moderate) UV index
  • 22°C sea temperature in September in Sibenik22
    22°C sea temperature

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

Daytime temperatures usually reach 25°C in Sibenik in September with low heat and humidity, falling to 15°C at night.

How sunny is it in Sibenik in September?

There are normally 8 hours of bright sunshine each day in Sibenik in September - that's 61% of daylight hours.

How warm is the sea around Sibenik in September?

The average sea temperature around Sibenik in September is 22°C.

Does it rain in Sibenik in September?

There are usually 10 days with some rain in Sibenik in September and the average monthly rainfall is 78mm.

Sibenik September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:20 18:32
Monday, 15th September 2025 05:36 18:07
Tuesday, 30th September 2025 05:53 17:39

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