Weather in Grad Trogir for September 2026
- In general, the average temperature in Grad Trogir at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.6 °C by the end of September. 
- Precipitation in Grad Trogir during September is a rare event, with an average of fewer than 2 rainy days. 
- Is September a good time to visit Grad Trogir? check out the best time to travel to Grad Trogir page. 
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Grad Trogir Weather September
Temperatures trend during September in Grad Trogir
September weather in Grad Trogir day by day
| Date | Weather | Temperatures | Rain | UV | More | 
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 26° /20° | 0 mm | 7 | |
| 2 Sept. | Partly cloudy | 27° /20° | 0.1 mm | 7 | |
| 3 Sept. | Sunny | 27° /20° | 0.5 mm | 7 | |
| 4 Sept. | Partly cloudy | 26° /20° | 0.1 mm | 7 | |
| 5 Sept. | Sunny | 27° /19° | 2.5 mm | 7 | |
| 6 Sept. | Sunny | 28° /20° | 4.2 mm | 7 | |
| 7 Sept. | Sunny | 26° /20° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /20° | 0.1 mm | 6 | |
| 9 Sept. | Sunny | 26° /20° | 8.9 mm | 6 | |
| 10 Sept. | Sunny | 26° /19° | 3 mm | 6 | |
| 11 Sept. | Sunny | 25° /19° | 1.5 mm | 6 | |
| 12 Sept. | Sunny | 25° /19° | 4.2 mm | 6 | |
| 13 Sept. | Partly cloudy | 24° /17° | 6.4 mm | 6 | |
| 14 Sept. | Partly cloudy | 22° /17° | 0.4 mm | 6 | |
| 15 Sept. | Partly cloudy | 23° /16° | 0.1 mm | 6 | |
| 16 Sept. | Sunny | 23° /17° | 0.4 mm | 6 | |
| 17 Sept. | Partly cloudy | 24° /18° | 0.4 mm | 6 | |
| 18 Sept. | Sunny | 24° /18° | 0.9 mm | 6 | |
| 19 Sept. | Patchy rain possible | 24° /18° | 8.2 mm | 6 | |
| 20 Sept. | Partly cloudy | 25° /18° | 0.2 mm | 6 | |
| 21 Sept. | Sunny | 24° /17° | 2.2 mm | 6 | |
| 22 Sept. | Sunny | 24° /19° | 0.1 mm | 6 | |
| 23 Sept. | Torrential rain shower | 23° /17° | 19.7 mm | 6 | |
| 24 Sept. | Light rain shower | 22° /17° | 11.7 mm | 5 | |
| 25 Sept. | Light rain shower | 23° /16° | 7.5 mm | 5 | |
| 26 Sept. | Patchy rain possible | 24° /17° | 0 mm | 6 | |
| 27 Sept. | Sunny | 24° /18° | 0.1 mm | 6 | |
| 28 Sept. | Light rain shower | 22° /17° | 3.9 mm | 5 | |
| 29 Sept. | Patchy rain possible | 21° /14° | 0 mm | 5 | |
| 30 Sept. | Sunny | 22° /14° | 0 mm | 6 | |
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Grad Trogir weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny | 
| Temperatures | 31°/20° | 26°/17° | 22°/16° | 
| Rainfall | 154 mm | 201 mm | 158 mm | 
| Wind | 17 km/h | 19.7 km/h | 19.6 km/h | 
| Humidity | 55% | 62% | 68% | 
| Rainy days | 2 days | 1 days | 4 days | 
| Dry days | 29 days | 29 days | 27 days | 
Planning a trip to Grad Trogir? Discover the best time to visit
Grad Trogir in September - FAQ
Grad Trogir water temperatures in September
The average water temperature of the Adriatic Sea near Grad Trogir in September is 22.7 °C. At the beginning of September temperatures are around 22 °C; by the end of the month they get warmer and reach 23.5 °C.
- What is the water temperature in Grad Trogir in September?
- The average water temperature in Grad Trogir in September is 22.7 °C.
- Can you swim in Grad Trogir 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 Trogir in September?
As you prepare for your trip to Grad Trogir 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 Trogir, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- 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
 
- Personal Items- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
 
September rainfall patterns in Grad Trogir
UV exposure in Grad Trogir during September
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Get accurate weather forecasts for Grad Trogir, located at latitude 43.513 and longitude 16.252. Stay updated with localized weather information tailored for Grad Trogir.