Weather in Grad Split for September 2027
In general, the average temperature in Grad Split at the beginning of September is 26.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.4 °C by the end of September.
Grad Split experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 73.7 mm.
Is September a good time to visit Grad Split? check out the best time to travel to Grad Split page.
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Grad Split Weather September
Temperatures trend during September in Grad Split
September weather in Grad Split day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 26° /21° | 0.6 mm | 7 | |
| 2 Sept. | Sunny | 27° /20° | 0.1 mm | 7 | |
| 3 Sept. | Sunny | 26° /20° | 0.3 mm | 6 | |
| 4 Sept. |  Partly cloudy | 27° /20° | 0.6 mm | 7 | |
| 5 Sept. |  Patchy rain possible | 27° /20° | 1.3 mm | 7 | |
| 6 Sept. | Patchy rain possible | 28° /21° | 2.1 mm | 7 | |
| 7 Sept. | Sunny | 26° /21° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /21° | 0.1 mm | 6.9 | |
| 9 Sept. |  Light rain | 26° /20° | 5 mm | 6 | |
| 10 Sept. | Patchy rain possible | 26° /20° | 1.6 mm | 6 | |
| 11 Sept. | Light rain | 26° /19° | 6.2 mm | 6 | |
| 12 Sept. | Patchy rain possible | 25° /19° | 2.1 mm | 6 | |
| 13 Sept. | Light rain | 25° /18° | 3.2 mm | 6.4 | |
| 14 Sept. | Sunny | 24° /18° | 0.2 mm | 6 | |
| 15 Sept. | Patchy rain possible | 24° /18° | 1.1 mm | 6 | |
| 16 Sept. | Light rain | 24° /19° | 3.1 mm | 6 | |
| 17 Sept. |  Heavy rain at times | 25° /18° | 5.3 mm | 6 | |
| 18 Sept. | Patchy rain possible | 24° /18° | 2 mm | 6 | |
| 19 Sept. | Light rain | 23° /18° | 5.2 mm | 5 | |
| 20 Sept. | Patchy rain possible | 25° /18° | 1.1 mm | 5.8 | |
| 21 Sept. | Patchy rain possible | 24° /17° | 1.1 mm | 5 | |
| 22 Sept. | Sunny | 23° /17° | 0 mm | 5.6 | |
| 23 Sept. | Light rain | 22° /15° | 9.9 mm | 5.5 | |
| 24 Sept. | Light rain | 22° /16° | 5.9 mm | 5 | |
| 25 Sept. | Light rain | 22° /16° | 7.1 mm | 5 | |
| 26 Sept. | Sunny | 23° /17° | 0.5 mm | 5 | |
| 27 Sept. | Patchy rain possible | 23° /17° | 1 mm | 5.1 | |
| 28 Sept. | Patchy rain possible | 23° /17° | 2.2 mm | 5 | |
| 29 Sept. | Patchy rain possible | 22° /16° | 2.3 mm | 5 | |
| 30 Sept. | Light rain | 22° /16° | 2.5 mm | 4.9 | |
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Grad Split weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 29°/22° | 24°/18° | 20°/15° |
| Rainfall | 44 mm | 74 mm | 82 mm |
| Wind | 17.2 km/h | 17.7 km/h | 18.2 km/h |
| Humidity | 55% | 60% | 64% |
| Rainy days | 5 days | 7 days | 7 days |
| Dry days | 26 days | 23 days | 24 days |
Planning a trip to Grad Split? Discover the best time to visit
Grad Split in September - FAQ
What are the expected maximum and minimum temperatures in Grad Split during September?
How much rainfall should be expected in Grad Split during September?
What are the typical wind conditions in Grad Split during September?
Grad Split water temperatures in September
The average water temperature of the Adriatic Sea near Grad Split in September is 23.9 °C. At the beginning of September temperatures are around 24.2 °C; by the end of the month they get a bit cooler and reach 23.6 °C.
- What is the water temperature in Grad Split in September?
- The average water temperature in Grad Split in September is 23.9 °C.
- Can you swim in Grad Split in September?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
September rainfall patterns in Grad Split
UV exposure in Grad Split during September
What to pack to Grad Split in September?
Mild · highs around 24 °C, frequent showers
As you prepare for your trip to Grad Split 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 Split, during September, is comfortable and enjoyable, regardless of the weather conditions.