Split weather in September 2025

Expect 77°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Split in September. Check more long-term weather averages for Split in September before you book your next holiday to Croatia in 2025/2026.

  • 77°F maximum daytime temperature in September in Split77
    77°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in September in Split10
    10 days with some rainfall
  • 57°F minimum night-time temperature in September in Split57
    57°F min night temperature
  • 12 hours of daylight per day in September in Split12
    12 hours of daylight per day
  • Low heat & humidity in September in SplitL
    Low heat & humidity
  • 3.0 inches monthly rainfall in September in Split3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Split5
    5 (Moderate) UV index
  • 72°F sea temperature in September in Split72
    72°F sea temperature

More about Split

Split by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Croatia

Marella Cruises: up to 5% off ocean cruises

  • Book online & save up to 5% on Marella Cruises
  • Discount varies by season. Book online with TUI
  • Destinations across the Med, Caribbean & USA
Go to Marella Cruises deal >>

View all Marella Cruises offers

Marella CruisesCruise deal finder

The September weather guide for Croatia (Split) 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)

Back to top

More about Croatia

How hot is it in Split in September?

Daytime temperatures usually reach 77°F in Split in September with low heat and humidity, falling to 57°F at night.

How sunny is it in Split in September?

There are normally 8 hours of bright sunshine each day in Split in September - that's 62% of daylight hours.

How warm is the sea around Split in September?

The average sea temperature around Split in September is 72°F.

Does it rain in Split in September?

There are usually 10 days with some rain in Split in September and the average monthly rainfall is 3.0 inches.

Split September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:18 18:29
Monday, 15th September 2025 05:34 18:04
Tuesday, 30th September 2025 05:51 17:37

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^