In September warmest sea in Costa Daurada is usually observed in the following locations: Sitges, Vilanova i la Geltru, Barcelona.
Table below shows the average sea water temperature for marine resorts of Costa Daurada in September for the last three years.
| Place name | September 2025 | September 2024 | September 2023 |
|---|---|---|---|
| Sitges | 78.0°F | 77.0°F | 77.0°F |
| Vilanova i la Geltru | 78.0°F | 77.0°F | 76.9°F |
| Barcelona | 77.9°F | 76.9°F | 77.1°F |
| Reus | 77.7°F | 76.9°F | 76.9°F |
| Badalona | 77.7°F | 76.9°F | 77.0°F |
| Calafell | 77.4°F | 76.5°F | 76.4°F |
| El Vendrell | 77.4°F | 76.5°F | 76.4°F |
| Coma Ruga | 77.4°F | 76.4°F | 76.4°F |
Charts below show average sea water temperature for Costa Daurada resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Costa Daurada resorts at that time.
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