Postira weather in September 2025

Expect daytime maximum temperatures of 25°C in Postira, Croatia in September based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 68 mm of rainfall in the month.

  • 25°C maximum daytime temperature in September in Postira25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in September in Postira10
    10 days with some rainfall
  • 16°C minimum night-time temperature in September in Postira16
    16°C min night temperature
  • 12 hours of daylight per day in September in Postira12
    12 hours of daylight per day
  • Low heat & humidity in September in PostiraL
    Low heat & humidity
  • 68 mm monthly rainfall in September in Postira68
    68 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Postira5
    5 (Moderate) UV index
  • 22°C sea temperature in September in Postira22
    22°C sea temperature

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The September weather guide for Croatia (Postira) 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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How hot is it in Postira in September?

Daytime temperatures usually reach 25°C in Postira in September with low heat and humidity, falling to 16°C at night.

How sunny is it in Postira in September?

There are normally 8 hours of bright sunshine each day in Postira in September - that's 64% of daylight hours.

How warm is the sea around Postira in September?

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

Does it rain in Postira in September?

There are usually 10 days with some rain in Postira in September and the average monthly rainfall is 68mm.

Postira September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:17 18:29
Monday, 15th September 2025 05:33 18:03
Tuesday, 30th September 2025 05:50 17:36

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