Weather in Split-Dalmatia for September 2025
Until now, September 2025 in Split-Dalmatia is slightly cooler than the historical average by -0.9 °C.
Expect cooler weather in the next days in Split-Dalmatia with the forecast suggesting a temperature of 24 °C, lower than the historical average.
In general, the average temperature in Split-Dalmatia at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.4 °C by the end of September.
Split-Dalmatia in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 83.1 mm.
Is September a good time to visit Split-Dalmatia? check out the best time to travel to Split-Dalmatia page.
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Split-Dalmatia Weather September
What’s the Weather Like in Split-Dalmatia This September?
Temperatures trend during September in Split-Dalmatia
September weather in Split-Dalmatia day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 26° /19° | 0.7 mm | 7 | |
| 2 Sept. | Sunny | 27° /19° | 0.1 mm | 7 | |
| 3 Sept. | Sunny | 26° /19° | 0.3 mm | 6 | |
| 4 Sept. |  Partly cloudy | 26° /19° | 0.8 mm | 7 | |
| 5 Sept. | Sunny | 27° /19° | 1.5 mm | 7 | |
| 6 Sept. | Sunny | 29° /19° | 2.5 mm | 7 | |
| 7 Sept. | Sunny | 26° /19° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /20° | 0.1 mm | 7 | |
| 9 Sept. | Partly cloudy | 26° /19° | 5.6 mm | 6 | |
| 10 Sept. | Sunny | 26° /19° | 2 mm | 6 | |
| 11 Sept. | Sunny | 26° /18° | 0.9 mm | 7 | |
| 12 Sept. | Sunny | 25° /18° | 2.5 mm | 7 | |
| 13 Sept. | Sunny | 25° /17° | 3.8 mm | 7 | |
| 14 Sept. | Sunny | 24° /18° | 0.2 mm | 6 | |
| 15 Sept. | Partly cloudy | 24° /18° | 1.6 mm | 6 | |
| 16 Sept. | Sunny | 26° /19° | 0.1 mm | 1.4 | |
| 17 Sept. |  Patchy rain possible | 24° /16° | 1.3 mm | 1.3 | |
| 18 Sept. | Sunny | 25° /15° | 0 mm | 1.4 | |
| 19 Sept. | Sunny | 25° /16° | 0 mm | 1.7 | |
| 20 Sept. | Sunny | 25° /17° | 0 mm | 5 | |
| 21 Sept. | Sunny | 24° /18° | 0 mm | 6 | |
| 22 Sept. | Sunny | 25° /18° | 0 mm | 6 | |
| 23 Sept. | Sunny | 25° /18° | 0 mm | 6 | |
| 24 Sept. | Sunny | 25° /19° | 0 mm | 6 | |
| 25 Sept. |  Moderate rain | 23° /15° | 6.1 mm | 4 | |
| 26 Sept. | Partly cloudy | 20° /13° | 0 mm | 5 | |
| 27 Sept. | Partly cloudy | 22° /14° | 0 mm | 5 | |
| 28 Sept. | Patchy rain possible | 23° /15° | 2 mm | 4 | |
| 29 Sept. | Sunny | 22° /16° | 3.4 mm | 5 | |
| 30 Sept. |  Cloudy | 22° /16° | 3.7 mm | 6 | |
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Split-Dalmatia weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 29°/22° | 24°/18° | 21°/15° |
| Rainfall | 46 mm | 83 mm | 74 mm |
| Wind | 17.1 km/h | 18.4 km/h | 17.4 km/h |
| Humidity | 55% | 60% | 64% |
| Rainy days | 11 days | 20 days | 18 days |
| Dry days | 20 days | 10 days | 13 days |
Planning a trip to Split-Dalmatia? Discover the best time to visit
Split-Dalmatia in September - FAQ
Split-Dalmatia water temperatures in September
The average water temperature of the Adriatic Sea near Split-Dalmatia in September is 21.8 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Split-Dalmatia in September?
- The average water temperature in Split-Dalmatia in September is 21.8 °C.
- Can you swim in Split-Dalmatia in September?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
What to pack to Split-Dalmatia in September?
As you prepare for your trip to Split-Dalmatia 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 Split-Dalmatia, 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 Split-Dalmatia
UV exposure in Split-Dalmatia during September
Quick links
Where is Split-Dalmatia?Get accurate weather forecasts for Split-Dalmatia, located at latitude 43.509 and longitude 16.439. Stay updated with localized weather information tailored for Split-Dalmatia.