Algarve water temperature in September
| Min (°C/°F) | Avg (°C/°F) | Max (°C/°F) | Current (°C/°F) | |
|---|---|---|---|---|
| Albufeira | 19.2 (66.6) | 20.4 (68.7) | 21.6 (70.9) | 16.7 (62.1) |
| Faro | 19.9 (67.8) | 21.3 (70.3) | 22.7 (72.9) | 17.1 (62.8) |
| Lagos | 19.2 (66.6) | 20.4 (68.7) | 21.6 (70.9) | 16.2 (61.2) |
| Portimão | 19.2 (66.6) | 20.4 (68.7) | 21.6 (70.9) | 16.3 (61.3) |
| Tavira | 19.9 (67.8) | 21.3 (70.3) | 22.7 (72.9) | 17.2 (62.9) |