The Cuba resorts with the warmest sea water temperature in September are Cayo Largo, Niquero and Trinidad.
Below you can see a list of all popular Cuba resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2025 | September 2024 | September 2023 |
|---|---|---|---|
| Cayo Largo | 92.3°F | 91.9°F | 92.4°F |
| Niquero | 91.9°F | 92.3°F | 92.4°F |
| Trinidad | 91.6°F | 91.4°F | 91.6°F |
| Cienfuegos | 91.6°F | 91.5°F | 91.6°F |
| Cayo Coco | 91.5°F | 91.5°F | 91.7°F |
| Pinar del Rio | 91.5°F | 91.9°F | 91.6°F |
| Manzanillo | 91.4°F | 92.5°F | 92.4°F |
| Cayo Guillermo | 91.4°F | 91.4°F | 91.7°F |
| Cayo Santa Maria | 91.2°F | 91.0°F | 91.4°F |
| Santa Maria | 91.2°F | 91.1°F | 91.3°F |
| Varadero | 90.7°F | 90.8°F | 90.8°F |
| Santiago de Cuba | 90.6°F | 91.1°F | 91.3°F |
| Playa Santa Lucia | 90.6°F | 90.3°F | 90.8°F |
| Havana | 90.1°F | 90.2°F | 90.5°F |
| Playa Esmeralda | 90.1°F | 89.8°F | 90.3°F |
| Playa Blanca | 90.0°F | 89.9°F | 90.5°F |
| Holguin | 90.0°F | 89.8°F | 90.5°F |
| Matanzas | 89.8°F | 89.7°F | 89.8°F |
| Baracoa | 89.8°F | 89.8°F | 90.6°F |
Please see following sea water temperature averages charts for the warmest Cuba 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.
Cuba Resorts:
NAME
F°
| Cayo Coco |  |
+76 |
| Cayo Guillermo |  |
+82 |
| Cayo Largo | |
+74 |
| Cayo Santa Maria | |
+80 |
| Havana | |
+76 |
| Holguin | |
+78 |
| Manzanillo | |
+80 |
| Niquero |  |
+78 |
| Pinar del Rio | |
+72 |
| Playa Esmeralda | |
+82 |
| Playa Santa Lucia | |
+80 |
| Santa Maria | |
+80 |
| Santiago de Cuba | |
+78 |
| Trinidad | |
+72 |
| Varadero | |
+76 |
