The Jamaica resorts with the warmest sea water temperature in September are Westmoreland, Montego Bay and Negril.
Below you can see a list of all popular Jamaica resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Westmoreland | 90.4°F | 91.3°F | 91.1°F |
| Montego Bay | 90.2°F | 90.8°F | 90.7°F |
| Negril | 90.2°F | 91.2°F | 91.2°F |
| Runaway Bay | 90.0°F | 90.6°F | 90.9°F |
| Ocho Rios | 89.7°F | 90.4°F | 90.6°F |
| Port Antonio | 89.6°F | 90.4°F | 90.6°F |
| Kingston | 89.5°F | 90.2°F | 90.5°F |
Please see following sea water temperature averages charts for the warmest Jamaica 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.
Jamaica Resorts:
NAME
F°
| Kingston | ![]() |
+92 |
| Montego Bay | ![]() |
+84 |
| Negril | ![]() |
+90 |
| Ocho Rios | ![]() |
+88 |
| Port Antonio | ![]() |
+90 |
| Runaway Bay | ![]() |
+88 |
| Westmoreland | ![]() |
+90 |


























