In September warmest sea in Adriatic Sea is usually observed in the following locations: Cupra Marittima, Porto San Giorgio, Ancona.
Table below shows the average sea water temperature for marine resorts of Adriatic Sea in September for the last three years.
| Place name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Cupra Marittima | 79.8°F | 76.7°F | 76.9°F |
| Porto San Giorgio | 79.3°F | 76.1°F | 76.7°F |
| Ancona | 79.1°F | 75.8°F | 76.3°F |
| Porto Recanati | 79.1°F | 75.9°F | 76.6°F |
| Civitanova Marche | 79.0°F | 75.9°F | 76.7°F |
| Porto Potenza Picena | 79.0°F | 75.9°F | 76.6°F |
| Cesenatico | 78.6°F | 75.7°F | 76.1°F |
| Gabbice Mare | 78.4°F | 75.3°F | 75.8°F |
| Riccione | 78.4°F | 75.5°F | 75.8°F |
| Cattolica | 78.3°F | 75.3°F | 75.8°F |
| Novigrad | 78.3°F | 75.8°F | 76.6°F |
| Pesaro | 78.3°F | 75.4°F | 75.8°F |
| Komiza | 78.2°F | 75.7°F | 76.1°F |
| Milano Marittima | 78.2°F | 75.6°F | 76.0°F |
| Cervia | 78.2°F | 75.6°F | 76.0°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 |
| Senigallia | 78.1°F | 75.3°F | 75.9°F |
| Torre Pedrera | 78.1°F | 75.4°F | 75.7°F |
| Misano Adriatico | 78.1°F | 75.2°F | 75.8°F |
| Gubbio | 78.0°F | 75.2°F | 75.8°F |
| Vrsar | 78.0°F | 75.8°F | 76.4°F |
| Bellaria | 77.9°F | 75.3°F | 75.6°F |
| Igea Marina | 77.9°F | 75.3°F | 75.6°F |
| Lido degli Scacchi | 77.9°F | 75.7°F | 75.8°F |
| Lido di Pomposa | 77.9°F | 75.7°F | 75.8°F |
| Rimini | 77.8°F | 75.3°F | 75.6°F |
| Pula | 77.8°F | 75.5°F | 75.9°F |
| Lido Adriano | 77.8°F | 75.2°F | 75.6°F |
| Lido di Savio | 77.7°F | 75.5°F | 75.9°F |
| Hvar | 77.7°F | 75.6°F | 76.5°F |
| Portoroz | 77.6°F | 75.3°F | 75.9°F |
| Piran | 77.6°F | 75.3°F | 75.9°F |
| Serravalle | 77.6°F | 75.2°F | 75.5°F |
| Chiesanuova | 77.6°F | 75.2°F | 75.5°F |
| Borgo Maggiore | 77.6°F | 75.2°F | 75.5°F |
| Acquaviva | 77.6°F | 75.2°F | 75.5°F |
| Tucepi | 77.6°F | 74.7°F | 75.8°F |
| Viserbo | 77.6°F | 75.2°F | 75.5°F |
| Viserbella | 77.6°F | 75.2°F | 75.5°F |
| Stari Grad | 77.5°F | 75.5°F | 76.5°F |
| San Marino | 77.5°F | 75.1°F | 75.6°F |
| Mentegiardino | 77.5°F | 75.1°F | 75.6°F |
| Domagnano | 77.5°F | 75.1°F | 75.6°F |
| Faetano | 77.5°F | 75.1°F | 75.6°F |
| Fiorentino | 77.5°F | 75.1°F | 75.6°F |
| Makarska | 77.5°F | 74.7°F | 75.7°F |
| Strunjan | 77.4°F | 75.2°F | 75.8°F |
| Dugi Otok | 77.4°F | 75.5°F | 75.2°F |
| Ravenna | 77.3°F | 74.9°F | 75.4°F |
| Koper | 77.1°F | 75.2°F | 75.5°F |
| Lido di Jesolo | 77.1°F | 75.0°F | 75.5°F |
| Trieste | 77.1°F | 75.2°F | 75.4°F |
| Muggia | 77.1°F | 75.2°F | 75.4°F |
| Isola | 77.1°F | 75.1°F | 75.6°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 |
| Lido | 76.9°F | 74.8°F | 75.3°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 |
| Bibione | 76.4°F | 74.8°F | 75.1°F |
| Mali Losinj | 76.4°F | 74.8°F | 74.2°F |
| Sibenik | 76.3°F | 73.8°F | 74.9°F |
| Chioggia | 76.3°F | 74.6°F | 74.8°F |
| Skradin | 76.3°F | 73.8°F | 74.9°F |
| Brac | 76.3°F | 74.0°F | 75.1°F |
| Molat | 76.3°F | 75.0°F | 74.0°F |
| Caorle | 76.3°F | 74.2°F | 74.8°F |
| Omis | 76.2°F | 74.1°F | 75.1°F |
| Mostar | 75.9°F | 74.1°F | 75.9°F |
| Grado | 75.9°F | 74.6°F | 75.0°F |
| Venice | 75.8°F | 74.3°F | 74.9°F |
| Vodice | 75.7°F | 73.9°F | 74.8°F |
| Abano Terme | 75.7°F | 74.4°F | 74.6°F |
| Padova | 75.7°F | 74.4°F | 74.6°F |
| Zadar | 75.6°F | 73.9°F | 73.8°F |
| Mestre | 75.6°F | 74.2°F | 74.8°F |
| Lignano Sabbiadoro | 75.5°F | 74.2°F | 74.7°F |
| Lignano | 75.5°F | 74.2°F | 74.7°F |
| Novalja | 75.5°F | 73.8°F | 73.2°F |
| Cerkno | 75.2°F | 73.6°F | 74.6°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 |
| Dolenjske Toplice | 74.6°F | 71.7°F | 72.0°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 Adriatic Sea resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Adriatic Sea resorts at that time.
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