Croatia weather in September
In September, popular resorts in Croatia (Split, Dubrovnik, Zadar, Makarska, Pula) average 23°C by day and 17°C at night, and the sea is about 23°C. On average 102 mm of rain falls during the month.
That is 5°C cooler than in August, and in October days average 19°C.
It is warm, but often too cool for the beach, better for sightseeing. The sea is fine for swimming.
Warmest resorts in Croatia in September
Croatia weather in other months
See also
FAQ
Is it warm in Croatia in September?
In September, popular resorts in Croatia (Split, Dubrovnik, Zadar, Makarska, Pula) average 23°C by day and 17°C at night, and the sea is about 23°C. On average 102 mm of rain falls during the month. It is warm, but often too cool for the beach, better for sightseeing.
What is the sea temperature in Croatia in September?
About 23°C on average. The warmest water is in Pula (23°C).
Where is it warmest in Croatia in September?
The warmest place is Split (24°C by day), followed by Dubrovnik (24°C) and Zadar (24°C).
Does it rain in Croatia in September?
On average 102 mm of rain falls in the month. It is a fairly wet month, so pack a jacket.
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day.