Weather in Dubrovnik for September 2026
In general, the average temperature in Dubrovnik at the beginning of September is 26.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.7 °C by the end of September.
Dubrovnik experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 109.7 mm.
Is September a good time to visit Dubrovnik? check out the best time to travel to Dubrovnik page.
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Dubrovnik Weather September
Temperatures trend during September in Dubrovnik
September weather in Dubrovnik day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 27° /20° | 1.5 mm | 7 | |
| 2 Sept. | Sunny | 27° /20° | 0.1 mm | 7 | |
| 3 Sept. | Sunny | 26° /20° | 0.2 mm | 7 | |
| 4 Sept. |  Partly cloudy | 26° /20° | 1 mm | 6 | |
| 5 Sept. |  Patchy rain possible | 27° /21° | 0 mm | 7 | |
| 6 Sept. | Sunny | 28° /21° | 5 mm | 7 | |
| 7 Sept. | Sunny | 27° /21° | 0.1 mm | 7 | |
| 8 Sept. | Sunny | 27° /21° | 0 mm | 7 | |
| 9 Sept. |  Moderate or heavy rain shower | 26° /21° | 8.4 mm | 6 | |
| 10 Sept. | Patchy rain possible | 25° /20° | 7.6 mm | 6 | |
| 11 Sept. | Sunny | 25° /19° | 5.3 mm | 6 | |
| 12 Sept. | Sunny | 26° /19° | 1.6 mm | 7 | |
| 13 Sept. | Sunny | 26° /19° | 6.7 mm | 7 | |
| 14 Sept. | Sunny | 24° /19° | 1.6 mm | 6 | |
| 15 Sept. | Sunny | 25° /19° | 0.1 mm | 6 | |
| 16 Sept. | Sunny | 25° /19° | 8.5 mm | 6 | |
| 17 Sept. | Moderate or heavy rain shower | 25° /18° | 10.4 mm | 6 | |
| 18 Sept. | Sunny | 24° /18° | 2 mm | 6 | |
| 19 Sept. | Patchy rain possible | 24° /18° | 3.2 mm | 6 | |
| 20 Sept. | Sunny | 24° /19° | 2.1 mm | 6 | |
| 21 Sept. | Patchy rain possible | 24° /18° | 1.1 mm | 6 | |
| 22 Sept. | Patchy rain possible | 23° /17° | 0.2 mm | 6 | |
| 23 Sept. | Sunny | 23° /17° | 2.7 mm | 6 | |
| 24 Sept. | Sunny | 22° /17° | 3.9 mm | 5 | |
| 25 Sept. | Patchy rain possible | 23° /17° | 5.6 mm | 5 | |
| 26 Sept. | Sunny | 23° /18° | 5.9 mm | 6 | |
| 27 Sept. | Partly cloudy | 24° /18° | 2.7 mm | 6 | |
| 28 Sept. | Sunny | 23° /18° | 5 mm | 5 | |
| 29 Sept. | Sunny | 22° /17° | 3.6 mm | 5 | |
| 30 Sept. |  Heavy rain at times | 22° /16° | 1.2 mm | 5 | |
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Dubrovnik weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 29°/23° | 24°/19° | 20°/16° |
| Rainfall | 77 mm | 110 mm | 111 mm |
| Wind | 14.3 km/h | 16 km/h | 14.8 km/h |
| Humidity | 57% | 62% | 65% |
| Rainy days | 12 days | 22 days | 17 days |
| Dry days | 19 days | 8 days | 14 days |
Planning a trip to Dubrovnik? Discover the best time to visit
Dubrovnik in September - FAQ
Dubrovnik water temperatures in September
The average water temperature of the Adriatic Sea near Dubrovnik in September is 23.9 °C. At the beginning of September temperatures are around 23.3 °C; by the end of the month they get warmer and reach 24.4 °C.
- What is the water temperature in Dubrovnik in September?
- The average water temperature in Dubrovnik in September is 23.9 °C.
- Can you swim in Dubrovnik in September?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
What to pack to Dubrovnik in September?
As you prepare for your trip to Dubrovnik 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 Dubrovnik, 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 Dubrovnik
UV exposure in Dubrovnik during September
Quick links
Where is Dubrovnik?Get accurate weather forecasts for Dubrovnik, located at latitude 42.641 and longitude 18.109. Stay updated with localized weather information tailored for Dubrovnik.