Weather in Rovinj for September 2026
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Until now, September 2026 in Rovinj has been nearly identical to the historical average, with a temperature of 26.3 °C (showing only a slight deviation of 0.4 °C).
The forecast for the next days in Rovinj predicts temperatures to be around 25 °C, close to the historical average.
In general, the average temperature in Rovinj at the beginning of September is 26.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.4 °C by the end of September.
Rovinj in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 110.3 mm.
Is September a good time to visit Rovinj? check out the best time to travel to Rovinj page.
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Rovinj Weather September
Temperatures trend during September in Rovinj
September weather in Rovinj day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 27° /21° | 0.2 mm | 7 | |
| 2 Sept. | Sunny | 26° /21° | 2.3 mm | 6 | |
| 3 Sept. |  Patchy rain possible | 26° /21° | 0.8 mm | 6 | |
| 4 Sept. | Sunny | 26° /21° | 0 mm | 7 | |
| 5 Sept. | Sunny | 27° /20° | 2.4 mm | 7 | |
| 6 Sept. | Sunny | 26° /19° | 1.8 mm | 6 | |
| 7 Sept. | Sunny | 27° /20° | 0 mm | 6 | |
| 8 Sept. | Sunny | 26° /20° | 2.3 mm | 6 | |
| 9 Sept. | Sunny | 26° /20° | 6.9 mm | 5 | |
| 10 Sept. | Sunny | 24° /18° | 32.3 mm | 5 | |
| 11 Sept. | Sunny | 24° /19° | 6.2 mm | 5 | |
| 12 Sept. |  Overcast | 24° /19° | 13.6 mm | 5 | |
| 13 Sept. | Sunny | 24° /18° | 0 mm | 5.1 | |
| 14 Sept. | Overcast | 25° /19° | 0 mm | 4.6 | |
| 15 Sept. | Sunny | 25° /18° | 0 mm | 5.6 | |
| 16 Sept. | Sunny | 26° /19° | 0 mm | 5.7 | |
| 17 Sept. | Patchy rain possible | 25° /19° | 3.4 mm | 6 | |
| 18 Sept. | Patchy rain possible | 24° /19° | 21.8 mm | 6 | |
| 19 Sept. | Light rain shower | 25° /19° | 8.2 mm | 6 | |
| 20 Sept. | Sunny | 25° /20° | 0 mm | 6 | |
| 21 Sept. | Sunny | 25° /21° | 0 mm | 7 | |
| 22 Sept. | Sunny | 25° /19° | 0 mm | 7 | |
| 23 Sept. | Patchy rain possible | 26° /18° | 0.4 mm | 6 | |
| 24 Sept. | Overcast | 26° /20° | 0 mm | 6 | |
| 25 Sept. | Sunny | 26° /20° | 0 mm | 7 | |
| 26 Sept. | Sunny | 26° /20° | 0 mm | 7 | |
| 27 Sept. | Sunny | 23° /17° | 2.3 mm | 6 | |
| 28 Sept. | Patchy rain possible | 22° /15° | 3.7 mm | 6 | |
| 29 Sept. | Patchy rain possible | 21° /14° | 0.4 mm | 4 | |
| 30 Sept. |  Partly cloudy | 20° /14° | 0.1 mm | 5 | |
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Rovinj weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible |
| Temperatures | 27°/21° | 23°/18° | 19°/15° |
| Rainfall | 129 mm | 110 mm | 139 mm |
| Wind | 14.5 km/h | 16.4 km/h | 17.5 km/h |
| Humidity | 63% | 68% | 74% |
| Rainy days | 15 days | 19 days | 22 days |
| Dry days | 16 days | 11 days | 9 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?
How much rainfall should be expected in Rovinj during September?
What are the typical wind conditions in Rovinj during September?
Rovinj water temperatures in September
The average water temperature of the Adriatic Sea near Rovinj in September is 25.5 °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 25.5 °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.
September rainfall patterns in Rovinj
UV exposure in Rovinj during September
What to pack to Rovinj in September?
Mild · highs around 23 °C, frequent showers
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
👟 Footwear
🎒 Accessories
Quick links
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.