Rovinj weather in September 2026

Q: How hot is it in Rovinj in September?

Daytime temperatures usually reach 25°C in Rovinj in September with low heat and humidity, falling to 14°C at night.

Q: How sunny is it in Rovinj in September?

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

Q: How warm is the sea around Rovinj in September?

The average sea temperature around Rovinj in September is 22°C.

Q: Does it rain in Rovinj in September?

There are usually 10 days with some rain in Rovinj in September and the average monthly rainfall is 75mm.

Expect daytime maximum temperatures of 75°F in Rovinj, Croatia in September based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 3.8 inches of rainfall in the month.

75
75°F max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
59
59°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.8
3.8 inches of monthly rainfall
5
5 (Moderate) UV index
73
73°F sea temperature

More about Rovinj

Rovinj by month

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

Recommended for Croatia

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The September weather guide for Croatia (Rovinj) 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)