Texas water temperature in September
| Min (°C/°F) | Avg (°C/°F) | Max (°C/°F) | Current (°C/°F) | |
|---|---|---|---|---|
| Freeport | 26.9 (80.3) | 29.1 (84.4) | 31.4 (88.4) | 22.3 (72.2) |
| Galveston | 26.2 (79.1) | 28.6 (83.5) | 31.1 (87.9) | 23.1 (73.6) |
| Lake Travis | 26.6 (79.8) | 28.5 (83.3) | 30.5 (86.8) | 23.6 (74.4) |
| South Padre Island | 27.7 (81.9) | 29.3 (84.7) | 30.9 (87.6) | 22.5 (72.5) |