Weather in Grad Dubrovnik for September 2026
In general, the average temperature in Grad 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.
Grad Dubrovnik experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 109.7 mm.
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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° | 1.5 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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Grad 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 |
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Grad Dubrovnik in September - FAQ
Grad Dubrovnik water temperatures in September
The average water temperature of the Adriatic Sea near Grad 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 Grad Dubrovnik in September?
- The average water temperature in Grad Dubrovnik in September is 23.9 °C.
- Can you swim in Grad 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 Grad Dubrovnik in September?
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
- 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 Grad Dubrovnik
UV exposure in Grad Dubrovnik during September
Quick links
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.