In September warmest sea in Cuba is usually observed in the following locations: Cayo Largo, Niquero, Trinidad.
Table below shows the average sea water temperature for marine resorts of Cuba in September for the last three years.
| Place name | September 2025 | September 2024 | September 2023 |
|---|---|---|---|
| Cayo Largo | 88.1°F | 87.7°F | 88.1°F |
| Niquero | 87.7°F | 88.0°F | 88.1°F |
| Trinidad | 87.4°F | 87.3°F | 87.4°F |
| Cienfuegos | 87.4°F | 87.3°F | 87.4°F |
| Cayo Coco | 87.4°F | 87.3°F | 87.5°F |
| Pinar del Rio | 87.3°F | 87.7°F | 87.4°F |
| Manzanillo | 87.3°F | 88.2°F | 88.1°F |
| Cayo Guillermo | 87.3°F | 87.2°F | 87.5°F |
| Cayo Santa Maria | 87.1°F | 86.9°F | 87.2°F |
| Santa Maria | 87.1°F | 87.0°F | 87.2°F |
| Varadero | 86.6°F | 86.8°F | 86.7°F |
| Santiago de Cuba | 86.6°F | 87.0°F | 87.2°F |
| Playa Santa Lucia | 86.5°F | 86.3°F | 86.7°F |
| Havana | 86.1°F | 86.2°F | 86.4°F |
| Playa Esmeralda | 86.1°F | 85.9°F | 86.3°F |
| Playa Blanca | 86.0°F | 85.9°F | 86.4°F |
| Holguin | 86.0°F | 85.8°F | 86.4°F |
| Matanzas | 85.8°F | 85.7°F | 85.8°F |
| Baracoa | 85.8°F | 85.8°F | 86.5°F |
Charts below show average sea water temperature for Cuba resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Cuba resorts at that time.
Places in Cuba:
Name
°F
