Slano weather in September 2025

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Slano in September. Check more long-term weather averages for Slano in September before you book your next holiday to Croatia in 2025/2026.

  • 24°C maximum daytime temperature in September in Slano24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Slano9
    9 days with some rainfall
  • 13°C minimum night-time temperature in September in Slano13
    13°C min night temperature
  • 12 hours of daylight per day in September in Slano12
    12 hours of daylight per day
  • Low heat & humidity in September in SlanoL
    Low heat & humidity
  • 92 mm monthly rainfall in September in Slano92
    92 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Slano5
    5 (Moderate) UV index
  • 23°C sea temperature in September in Slano23
    23°C sea temperature

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

Daytime temperatures usually reach 24°C in Slano in September, falling to 13°C at night.

How sunny is it in Slano in September?

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

How warm is the sea around Slano in September?

The average sea temperature around Slano in September is 23°C.

Does it rain in Slano in September?

There are usually 9 days with some rain in Slano in September and the average monthly rainfall is 92mm.

Slano September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:13 18:23
Monday, 15th September 2025 05:28 17:58
Tuesday, 30th September 2025 05:45 17:31

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