Weather in Split-Dalmatia for September 2026
Yellow Thunderstorm Warning - See hour by hour.
So far, September 2026 in Split-Dalmatia is slightly warmer 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 20.5 °C, lower than the historical average.
In general, the average temperature in Split-Dalmatia at the beginning of September is 27 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.4 °C by the end of September.
Split-Dalmatia experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 78.7 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 | 27° /20° | 0.6 mm | 7 | |
| 2 Sept. | Sunny | 27° /20° | 0.1 mm | 7 | |
| 3 Sept. | Sunny | 27° /20° | 0.3 mm | 6 | |
| 4 Sept. |  Partly cloudy | 27° /20° | 0.6 mm | 7 | |
| 5 Sept. | Sunny | 27° /20° | 1.3 mm | 7 | |
| 6 Sept. | Sunny | 28° /20° | 2.1 mm | 7 | |
| 7 Sept. | Sunny | 26° /20° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /20° | 0.1 mm | 7 | |
| 9 Sept. | Partly cloudy | 26° /20° | 5 mm | 6 | |
| 10 Sept. | Sunny | 26° /19° | 1.6 mm | 6 | |
| 11 Sept. | Sunny | 26° /19° | 6.2 mm | 6 | |
| 12 Sept. | Sunny | 26° /18° | 2.1 mm | 6 | |
| 13 Sept. | Sunny | 26° /17° | 3.2 mm | 7 | |
| 14 Sept. | Sunny | 24° /18° | 0.2 mm | 6 | |
| 15 Sept. | Partly cloudy | 25° /18° | 1.1 mm | 6 | |
| 16 Sept. | Sunny | 24° /18° | 3.1 mm | 6 | |
| 17 Sept. |  Heavy rain at times | 25° /17° | 6.3 mm | 6 | |
| 18 Sept. |  Patchy rain possible | 25° /19° | 1.6 mm | 5.3 | |
| 19 Sept. | Sunny | 25° /20° | 0.2 mm | 4.5 | |
| 20 Sept. | Sunny | 25° /20° | 0 mm | 5.5 | |
| 21 Sept. |  Overcast | 26° /20° | 0 mm | 5.2 | |
| 22 Sept. | Sunny | 22° /15° | 0 mm | 6 | |
| 23 Sept. | Sunny | 22° /13° | 0 mm | 6 | |
| 24 Sept. | Sunny | 23° /13° | 0 mm | 6 | |
| 25 Sept. | Sunny | 23° /17° | 0 mm | 6 | |
| 26 Sept. | Overcast | 18° /11° | 0 mm | 5 | |
| 27 Sept. | Sunny | 16° /8° | 0 mm | 5 | |
| 28 Sept. | Sunny | 16° /7° | 0 mm | 5 | |
| 29 Sept. | Sunny | 18° /8° | 0 mm | 5 | |
| 30 Sept. | Overcast | 15° /12° | 12 mm | 4 | |
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Split-Dalmatia weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 28°/21° | 24°/18° | 20°/15° |
| Rainfall | 51 mm | 79 mm | 73 mm |
| Wind | 17.3 km/h | 17.8 km/h | 18.1 km/h |
| Humidity | 55% | 61% | 64% |
| Rainy days | 6 days | 7 days | 7 days |
| Dry days | 25 days | 23 days | 24 days |
Planning a trip to Split-Dalmatia? Discover the best time to visit
Split-Dalmatia in September - FAQ
What are the expected maximum and minimum temperatures in Split-Dalmatia during September?
How much rainfall should be expected in Split-Dalmatia during September?
What are the typical wind conditions in Split-Dalmatia during September?
Split-Dalmatia water temperatures in September
The average water temperature of the Adriatic Sea near Split-Dalmatia in September is 24.2 °C. At the beginning of September temperatures are around 24.2 °C; by the end of the month they stay fairly steady and reach 24.5 °C.
- What is the water temperature in Split-Dalmatia in September?
- The average water temperature in Split-Dalmatia in September is 24.2 °C.
- Can you swim in Split-Dalmatia 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 Split-Dalmatia
UV exposure in Split-Dalmatia during September
What to pack to Split-Dalmatia in September?
Mild · highs around 24 °C, frequent showers
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
👟 Footwear
🎒 Accessories
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.