The Sri Lanka resorts with the warmest sea water temperature in September are Jafna, Batticaloa and Pasikuda.
Below you can see a list of all popular Sri Lanka resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2021 | September 2020 | September 2019 |
|---|---|---|---|
| Jafna | 88.6°F | 87.8°F | 87.9°F |
| Batticaloa | 88.2°F | 88.4°F | 88.2°F |
| Pasikuda | 88.0°F | 88.3°F | 88.1°F |
| Trincomalee | 87.4°F | 87.8°F | 87.2°F |
| Habarana | 87.3°F | 87.6°F | 87.1°F |
| Bentota | 87.0°F | 86.6°F | 86.5°F |
| Beruwela | 87.0°F | 86.6°F | 86.5°F |
| Negombo | 86.9°F | 86.4°F | 87.0°F |
| Induruwa | 86.9°F | 86.6°F | 86.6°F |
| Colombo | 86.9°F | 86.6°F | 86.7°F |
| Ahungalla | 86.9°F | 86.6°F | 86.6°F |
| Kalutara | 86.9°F | 86.5°F | 86.3°F |
| Dehiwala Mount Lavinia | 86.8°F | 86.7°F | 86.6°F |
| Balapitiya | 86.8°F | 86.6°F | 86.6°F |
| Wadduwa | 86.8°F | 86.6°F | 86.2°F |
| Panadura | 86.8°F | 86.6°F | 86.4°F |
| Marawila | 86.8°F | 86.2°F | 86.7°F |
| Hikkaduwa | 86.7°F | 86.5°F | 86.7°F |
| Unawatuna | 86.1°F | 86.3°F | 86.4°F |
| Halle | 86.1°F | 86.3°F | 86.4°F |
| Koggalla | 85.7°F | 86.1°F | 86.4°F |
| Weligama | 85.5°F | 86.1°F | 86.3°F |
| Marissa | 85.3°F | 86.1°F | 86.3°F |
| Hambantota | 85.2°F | 85.6°F | 86.1°F |
| Dikwella | 85.2°F | 85.4°F | 85.1°F |
| Tangalle | 85.0°F | 85.1°F | 84.9°F |
Please see following sea water temperature averages charts for the warmest Sri Lanka 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.
Sri Lanka Resorts:
NAME
F°
| Balapitiya |  |
+84 |
| Batticaloa |  |
+86 |
| Bentota | |
+82 |
| Colombo | |
+82 |
| Dehiwala Mount Lavinia | |
+84 |
| Habarana | |
+80 |
| Halle | |
+82 |
| Hambantota | |
+84 |
| Jafna | |
+88 |
| Marissa | |
+82 |
| Negombo | |
+82 |
| Panadura | |
+82 |
| Pasikuda | |
+86 |
| Tangalle | |
+82 |
| Trincomalee | |
+84 |
