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Weather in Rovinj for September 2025

Your guide to Rovinj weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Rovinj is slightly cooler than the historical average by -1.3 °C.

  • Expect cooler weather in the next days in Rovinj with the forecast suggesting a temperature of 22.1 °C, lower than the historical average.

  • In general, the average temperature in Rovinj at the beginning of September is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.9 °C by the end of September.

    • Rain 🌧️

  • The climate of Rovinj in September is notably wet, with an average of 15 rainy days, and a total of 87.7 mm of precipitation.

    • More

  • Is September a good time to visit Rovinj? check out the best time to travel to Rovinj page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/18°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Rovinj Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
26°
2
Sunny
26°
3
Patchy rain possible
26°
4
Sunny
26°
5
Sunny
27°
6
Sunny
25°
7
Sunny
26°
8
Sunny
26°
9
Sunny
25°
10
Sunny
24°
11
Sunny
25°
12
Overcast
24°
13
Partly cloudy
22°
14
Partly cloudy
22°
15
Weather Alert Sunny
24°
16
Weather Alert Moderate rain
24°
17
Patchy rain possible
21°
18
Sunny
23°
19
Sunny
25°
20
Sunny
24°
21
Sunny
24°
22
Sunny
25°
23
Patchy rain possible
23°
24
Patchy rain possible
23°
25
Patchy rain possible
21°
26
Partly cloudy
20°
27
Partly cloudy
17°
28
Patchy rain possible
16°
29
Overcast
21°
30
Partly cloudy
21°

Temperatures trend during September in Rovinj

See the weather trend as well as the moving average line

September weather in Rovinj day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 26° /20° 0.3 mm 6
2 Sept. Sunny
Sunny
 26° /20° 3 mm 6
3 Sept. Patchy rain possible
Patchy rain possible
 26° /20° 1 mm 6
4 Sept. Sunny
Sunny
 26° /20° 0 mm 7
5 Sept. Sunny
Sunny
 27° /19° 3.1 mm 7
6 Sept. Sunny
Sunny
 25° /19° 2.4 mm 6
7 Sept. Sunny
Sunny
 26° /19° 0 mm 6
8 Sept. Sunny
Sunny
 26° /19° 3 mm 6
9 Sept. Sunny
Sunny
 25° /19° 8.4 mm 6
10 Sept. Sunny
Sunny
 24° /18° 23.1 mm 6
11 Sept. Sunny
Sunny
 25° /19° 3.5 mm 6
12 Sept. Overcast
Overcast
 24° /19° 13.6 mm 5
13 Sept. Partly cloudy
Partly cloudy
 22° /17° 0.8 mm 6
14 Sept. Partly cloudy
Partly cloudy
 22° /16° 3.8 mm 5
15 Sept. Sunny
Sunny
 24° /20° 0 mm 1.3
16 Sept. Moderate rain
Moderate rain
 24° /18° 8.1 mm 1.2
17 Sept. Patchy rain possible
Patchy rain possible
 21° /17° 4.2 mm 1.3
18 Sept. Sunny
Sunny
 23° /18° 0 mm 1.4
19 Sept. Sunny
Sunny
 25° /20° 0 mm 1.6
20 Sept. Sunny
Sunny
 24° /21° 0 mm 6
21 Sept. Sunny
Sunny
 24° /20° 0 mm 6
22 Sept. Sunny
Sunny
 25° /20° 0 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 23° /20° 0.4 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 23° /20° 3.4 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 21° /18° 0.2 mm 4
26 Sept. Partly cloudy
Partly cloudy
 20° /15° 0.1 mm 5
27 Sept. Partly cloudy
Partly cloudy
 17° /14° 0 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 0.9 mm 3
29 Sept. Overcast
Overcast
 21° /15° 0.6 mm 5
30 Sept. Partly cloudy
Partly cloudy
 21° /14° 0 mm 6
Next
Important Notice
Our weather forecast for Rovinj in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Rovinj forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
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Rovinj weather in September vs August vs October

Compare September weather in Rovinj with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures28°/22°24°/18°20°/16°
Rainfall146 mm88 mm136 mm
Wind13.9 km/h17.2 km/h17.6 km/h
Humidity63%66%75%
Rainy days13 days15 days19 days
Dry days18 days15 days12 days

Planning a trip to Rovinj? Discover the best time to visit

Rovinj in September - FAQ

What are the expected maximum and minimum temperatures in Rovinj during September?
During September, expect a variety of temperatures with highs around 24° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Rovinj during September?
Moderate rainfall is anticipated in Rovinj during September, with a total of 87.7 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Rovinj during September?
The average wind speed in Rovinj during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Rovinj water temperatures in September

The average water temperature of the Adriatic Sea near Rovinj in September is 24.2 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Rovinj in September?
The average water temperature in Rovinj in September is 24.2 °C.
Can you swim in Rovinj in September?
Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.

What to pack to Rovinj in September?

As you prepare for your trip to Rovinj in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Rovinj, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Rovinj

Explore the daily rainfall trends and prepare for Rovinjs September weather 💧

UV exposure in Rovinj during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Rovinj?

Get accurate weather forecasts for Rovinj, located at latitude 45.083 and longitude 13.635. Stay updated with localized weather information tailored for Rovinj.

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