In September warmest sea in Croatia is usually observed in the following locations: Plat, Mlini, Cavtat.
Table below shows the average sea water temperature for marine resorts of Croatia in September for the last three years.
| Place name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Plat | 79.6°F | 77.0°F | 77.8°F |
| Mlini | 79.6°F | 77.0°F | 77.8°F |
| Cavtat | 79.6°F | 77.0°F | 77.8°F |
| Dubrovnik | 79.0°F | 76.7°F | 77.6°F |
| Lastovo | 78.6°F | 76.8°F | 77.2°F |
| Novigrad | 78.3°F | 75.8°F | 76.6°F |
| Komiza | 78.2°F | 75.7°F | 76.1°F |
| Rovinj | 78.1°F | 75.9°F | 76.4°F |
| Porec | 78.1°F | 75.8°F | 76.6°F |
| Umag | 78.1°F | 75.7°F | 76.4°F |
| Vrsar | 78.0°F | 75.8°F | 76.4°F |
| Pula | 77.8°F | 75.5°F | 75.9°F |
| Hvar | 77.7°F | 75.6°F | 76.5°F |
| Tucepi | 77.6°F | 74.7°F | 75.8°F |
| Stari Grad | 77.5°F | 75.5°F | 76.5°F |
| Korcula | 77.5°F | 75.9°F | 76.7°F |
| Makarska | 77.5°F | 74.7°F | 75.7°F |
| Dugi Otok | 77.4°F | 75.5°F | 75.2°F |
| Split | 77.1°F | 74.6°F | 75.4°F |
| Trogir | 77.0°F | 74.6°F | 75.6°F |
| Solin | 77.0°F | 74.5°F | 75.4°F |
| Brela | 77.0°F | 74.1°F | 75.2°F |
| Baska Voda | 77.0°F | 74.1°F | 75.2°F |
| Supetar | 76.6°F | 74.4°F | 75.5°F |
| Istria | 76.6°F | 74.8°F | 74.9°F |
| Medulin | 76.5°F | 74.7°F | 74.6°F |
| Mali Losinj | 76.4°F | 74.8°F | 74.2°F |
| Klek | 76.4°F | 74.4°F | 76.1°F |
| Sibenik | 76.3°F | 73.8°F | 74.9°F |
| Skradin | 76.3°F | 73.8°F | 74.9°F |
| Molat | 76.3°F | 75.0°F | 74.0°F |
| Brac | 76.3°F | 74.0°F | 75.1°F |
| Omis | 76.2°F | 74.1°F | 75.1°F |
| Vodice | 75.7°F | 73.9°F | 74.8°F |
| Zadar | 75.6°F | 73.9°F | 73.8°F |
| Novalja | 75.5°F | 73.8°F | 73.2°F |
| Biograd na Moru | 75.1°F | 73.6°F | 74.3°F |
| Pag | 74.8°F | 73.6°F | 73.1°F |
| Rab | 74.7°F | 73.1°F | 72.5°F |
| Rijeka | 74.6°F | 72.3°F | 72.2°F |
| Lovran | 74.6°F | 72.6°F | 72.1°F |
| Kraljevica | 74.6°F | 71.7°F | 72.0°F |
| Labin | 74.5°F | 73.3°F | 72.6°F |
| Opatija | 74.5°F | 72.4°F | 72.2°F |
| Rabac | 74.4°F | 73.1°F | 72.5°F |
| Cres | 74.3°F | 73.3°F | 72.4°F |
| Crikvenica | 74.0°F | 71.3°F | 72.0°F |
| Krk | 73.8°F | 72.7°F | 72.0°F |
Charts below show average sea water temperature for Croatia resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Croatia resorts at that time.
Places in Croatia:
Name
°F
