In September warmest sea in Costa Brava is usually observed in the following locations: Costa Brava, Figueres, Empirabrava.
Table below shows the average sea water temperature for marine resorts of Costa Brava in September for the last three years.
| Place name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Costa Brava | 75.9°F | 72.1°F | 72.3°F |
| Figueres | 75.3°F | 72.4°F | 71.4°F |
| Empirabrava | 75.1°F | 71.9°F | 70.8°F |
| L'Escala | 75.1°F | 72.2°F | 71.5°F |
| Roses | 75.0°F | 71.7°F | 70.7°F |
| L'Estartit | 75.0°F | 72.0°F | 71.7°F |
| Cadaques | 75.0°F | 71.4°F | 70.4°F |
Charts below show average sea water temperature for Costa Brava resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Costa Brava resorts at that time.
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