The Portugal resorts with the warmest sea water temperature in September are Madeira, Funchal and Canico.
Below you can see a list of all popular Portugal resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2023 | September 2022 | September 2021 |
|---|---|---|---|
| Madeira | 79.4°F | 77.4°F | 78.8°F |
| Funchal | 79.4°F | 77.4°F | 78.8°F |
| Canico | 79.2°F | 77.4°F | 78.7°F |
| Porto Santo Island | 78.8°F | 77.3°F | 78.6°F |
| Corvo Island | 78.0°F | 77.4°F | 74.7°F |
| Flores Island | 78.0°F | 77.8°F | 74.6°F |
| Santa Maria Island | 77.8°F | 77.1°F | 77.6°F |
| Ponta Delgada | 76.8°F | 77.0°F | 76.6°F |
| Sao Miguel | 76.6°F | 76.9°F | 76.6°F |
| São Jorge | 76.1°F | 77.4°F | 75.5°F |
| Faial Island | 76.1°F | 77.2°F | 75.5°F |
| Pico Island | 76.0°F | 77.1°F | 75.5°F |
| Terceira Island | 76.0°F | 76.6°F | 75.3°F |
| Graciosa | 75.7°F | 77.2°F | 75.2°F |
| Tavira | 72.0°F | 67.9°F | 71.6°F |
| Algarve | 71.3°F | 68.7°F | 71.6°F |
| Faro | 71.3°F | 68.7°F | 71.6°F |
| Quarteira | 70.5°F | 67.8°F | 70.6°F |
| Albufeira | 70.4°F | 67.3°F | 70.2°F |
| Portimao | 70.0°F | 66.9°F | 69.8°F |
| Alvor | 69.9°F | 66.4°F | 69.7°F |
| Lagos | 69.4°F | 65.7°F | 69.2°F |
| Lisbon | 69.4°F | 70.6°F | 70.9°F |
| Setúbal | 68.8°F | 69.5°F | 69.0°F |
| Sagres | 68.0°F | 66.1°F | 68.1°F |
| Peniche | 66.9°F | 68.5°F | 67.6°F |
| Cascais | 66.4°F | 67.0°F | 67.4°F |
| Sintra | 66.3°F | 67.5°F | 67.4°F |
| Estoril | 66.3°F | 67.2°F | 67.2°F |
| Porto | 66.2°F | 68.6°F | 68.4°F |
| Ericeira | 66.0°F | 68.0°F | 67.3°F |
Please see following sea water temperature averages charts for the warmest Portugal resorts in September.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
