- Book online & save up to 5% on Marella Cruises
- Discount varies by season. Book online with TUI
- Destinations across the Med, Caribbean & USA
Croatia weather in September 2025
Expect 25°C 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.
- 25°C max day temperature
25 - 8 hours of sunshine per day
- 10 days with some rainfall
10 - 14°C min night temperature
14 - 12 hours of daylight per day
12 - Low heat & humidity
L - 75 mm of monthly rainfall
75 - 5 (Moderate) UV index
5 - 22°C sea temperature
22
More about Croatia
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Croatia by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Croatia
Cruise 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.
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 / mm) | Imperial (°F / inches)
More about Croatia
How hot is it in Croatia in September?
Daytime temperatures usually reach 25°C in Split, Croatia in September with low heat and humidity, falling to 14°C 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 22°C.
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 75mm.
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 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport