In September warmest sea in Costa Blanca is usually observed in the following locations: L'Albir, Altea, Calpe.
Table below shows the average sea water temperature for marine resorts of Costa Blanca in September for the last three years.
| Place name | September 2023 | September 2022 | September 2021 |
|---|---|---|---|
| L'Albir | 79.2°F | 80.1°F | 78.7°F |
| Altea | 79.2°F | 80.1°F | 78.7°F |
| Calpe | 79.2°F | 80.0°F | 78.6°F |
| Costa Blanca | 79.1°F | 80.0°F | 78.7°F |
| Morair | 79.1°F | 79.9°F | 78.6°F |
| Badia de Xabia | 78.6°F | 79.8°F | 78.6°F |
| Xabia | 78.6°F | 79.8°F | 78.6°F |
Charts below show average sea water temperature for Costa Blanca resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Costa Blanca resorts at that time.
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