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Croatia weather in September 2025
Expect 77°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Croatia in September. Check more long-term weather averages for Croatia in September before you book your next holiday to Croatia in 2025/2026.
- 77°F max day temperature
77 - 8 hours of sunshine per day
- 10 days with some rainfall
10 - 57°F min night temperature
57 - 12 hours of daylight per day
12 - Low heat & humidity
L - 3.0 inches of monthly rainfall
3.0 - 5 (Moderate) UV index
5 - 72°F sea temperature
72
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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.
Top Croatia destinations
Below are average maximum temperatures at popular countries, regions and places in Croatia in September. Select a holiday destination to see more weather parameters.
All Croatia destinations
- Baska Voda
- Bol
- Brela
- Cavtat
- Drvenik
- Dubrovnik
- Hvar
- Jelsa
- Korcula
- Lopud
- Loviste
- Makarska
- Mlini
- Novigrad
- Opatija
- Orasac
- Orebic
- Osijek
- Pag
- Plat
- Pomena
- Porec
- Postira
- Primosten
- Pucisca
- Pula
- Rab
- Rabac
- Ravni
- Rijeka
- Rovinj
- Sibenik
- Slano
- Split
- Stari Grad
- Supetar
- Trogir
- Trpanj
- Tucepi
- Umag
- Vodice
- Vrsar
- Zadar
- Zagreb
Metric (°C) | Imperial (°F)
More about Croatia
How hot is it in Croatia in September?
Daytime temperatures usually reach 77°F in Split, Croatia in September with low heat and humidity, falling to 57°F at night.
How sunny is it in Croatia in September?
There are normally 8 hours of bright sunshine each day in Split, Croatia in September - that's 62% of daylight hours.
How warm is the sea around Croatia in September?
The average sea temperature around Split, Croatia in September is 72°F.
Does it rain in Croatia in September?
There are usually 10 days with some rain in Split, Croatia in September and the average monthly rainfall is 3.0 inches.
Croatia September sunrise & sunset times
Browse the sunrise and sunset times for Croatia in September 2025. Select a month to view Croatia sunrise and sunset times for the next 12 months. The Croatia sunrise and sunset times shown below are for Split.
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 |
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