Rovinj Weather in September
September in Rovinj brings high temperatures, with highs of 24°C (75°F) and nights dropping to 19°C (66°F). Rainfall is on the higher side this month, averaging around 122 mm (4.8 in), so keep a rain jacket handy.
Rainfall in Rovinj in September
You can typically expect 11 days of rain this month, averaging around 122 mm (4.8 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Rovinj in September
September in Rovinj brings high temperatures, with highs of 24°C (75°F) and nights around 19°C (66°F). Overall, the month follows a fairly predictable daily temperature pattern. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Rovinj in September
The city usually sees around 233 hours of sunlight, indicating many sunny days , a great month for sightseeing.For Rovinj itself, May, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Rovinj's climate page.
Rovinj Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
24°C (75°F)
Chance of Rain
36%
Precipitation
122 mm (4.8 in)
Rainy days
11 days
Humidity
76%
Sunshine
233 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rovinj typically drop from around 26°C (79°F) at the start of September to approximately 22°C (72°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Rovinj in September
Browse day-by-day weather records for Rovinj spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rovinj historical weather extremes in September
Based on 49 years of weather observations in Rovinj between 1976 and 2025, these are the recorded extremes.
- On September 1, 2024, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 13°C (55°F), recorded on September 18, 1977.
- The coldest night in September in Rovinj was on September 29, 1977, with a minimum of 6°C (43°F).
Best Places in Croatia in September
Find out more about the weather in Croatia and which places have the best travel conditions in this month. See all of Croatia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Rovinj in September
For Rovinj in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Rovinj in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Rovinj's climate page.
Temperature Rainfall Sunshine Humidity
See the full Rovinj climate overview or explore weather in Croatia.
