Weather in Grad Dubrovnik for September 2026
So far, September 2026 in Grad Dubrovnik is slightly warmer than the historical average by 1.3 °C.
The forecast for the next days in Grad Dubrovnik predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Grad Dubrovnik at the beginning of September is 27.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.6 °C by the end of September.
Grad Dubrovnik experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 97.1 mm.
Is September a good time to visit Grad Dubrovnik? check out the best time to travel to Grad Dubrovnik page.
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Grad Dubrovnik Weather September
Temperatures trend during September in Grad Dubrovnik
September weather in Grad Dubrovnik day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 27° /20° | 1.3 mm | 7 | |
| 2 Sept. | Sunny | 27° /20° | 0.1 mm | 7 | |
| 3 Sept. | Sunny | 27° /20° | 0.1 mm | 7 | |
| 4 Sept. |  Partly cloudy | 27° /20° | 0.8 mm | 6 | |
| 5 Sept. | Sunny | 27° /21° | 0 mm | 7 | |
| 6 Sept. | Sunny | 28° /21° | 4.1 mm | 7 | |
| 7 Sept. | Sunny | 28° /21° | 0.1 mm | 7 | |
| 8 Sept. | Sunny | 27° /21° | 0 mm | 7 | |
| 9 Sept. |  Moderate or heavy rain shower | 26° /20° | 7 mm | 6 | |
| 10 Sept. |  Patchy rain possible | 26° /20° | 6.4 mm | 6 | |
| 11 Sept. | Sunny | 25° /20° | 8.9 mm | 5 | |
| 12 Sept. | Sunny | 26° /19° | 1.7 mm | 6 | |
| 13 Sept. | Sunny | 26° /18° | 5.5 mm | 7 | |
| 14 Sept. | Sunny | 24° /18° | 1.3 mm | 6 | |
| 15 Sept. | Sunny | 25° /19° | 0.4 mm | 6 | |
| 16 Sept. | Sunny | 25° /19° | 7.1 mm | 6 | |
| 17 Sept. | Moderate or heavy rain shower | 25° /18° | 10.4 mm | 6 | |
| 18 Sept. |  Overcast | 23° /19° | 0.7 mm | 5.4 | |
| 19 Sept. | Overcast | 24° /20° | 0 mm | 4.3 | |
| 20 Sept. | Sunny | 24° /20° | 0 mm | 5.3 | |
| 21 Sept. | Overcast | 26° /21° | 0 mm | 6 | |
| 22 Sept. | Sunny | 22° /15° | 0 mm | 5 | |
| 23 Sept. | Sunny | 22° /12° | 0 mm | 6 | |
| 24 Sept. | Sunny | 22° /14° | 0 mm | 6 | |
| 25 Sept. | Overcast | 22° /17° | 0 mm | 6 | |
| 26 Sept. | Overcast | 18° /12° | 0 mm | 4 | |
| 27 Sept. | Sunny | 15° /8° | 0 mm | 4 | |
| 28 Sept. | Sunny | 15° /8° | 0 mm | 4 | |
| 29 Sept. | Sunny | 16° /11° | 0 mm | 5 | |
| 30 Sept. | Light rain shower | 15° /10° | 18.4 mm | 3 | |
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Grad Dubrovnik weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 28°/22° | 24°/19° | 20°/15° |
| Rainfall | 78 mm | 97 mm | 105 mm |
| Wind | 14.7 km/h | 15.6 km/h | 16.2 km/h |
| Humidity | 57% | 63% | 65% |
| Rainy days | 14 days | 23 days | 19 days |
| Dry days | 17 days | 7 days | 12 days |
Planning a trip to Grad Dubrovnik? Discover the best time to visit
Grad Dubrovnik in September - FAQ
What are the expected maximum and minimum temperatures in Grad Dubrovnik during September?
How much rainfall should be expected in Grad Dubrovnik during September?
What are the typical wind conditions in Grad Dubrovnik during September?
Grad Dubrovnik water temperatures in September
The average water temperature of the Adriatic Sea near Grad Dubrovnik in September is 25.1 °C. At the beginning of September temperatures are around 25.3 °C; by the end of the month they get cooler and reach 23.9 °C.
- What is the water temperature in Grad Dubrovnik in September?
- The average water temperature in Grad Dubrovnik in September is 25.1 °C.
- Can you swim in Grad Dubrovnik 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 Grad Dubrovnik
UV exposure in Grad Dubrovnik during September
What to pack to Grad Dubrovnik in September?
Mild · highs around 24 °C, frequent showers
As you prepare for your trip to Grad 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 Grad Dubrovnik, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Grad Dubrovnik?Get accurate weather forecasts for Grad Dubrovnik, located at latitude 42.641 and longitude 18.109. Stay updated with localized weather information tailored for Grad Dubrovnik.