In September warmest sea in Costa Rica is usually observed in the following locations: Samara, Tamarindo, Playas del Coco.
Table below shows the average sea water temperature for marine resorts of Costa Rica in September for the last three years.
| Place name | September 2023 | September 2022 | September 2021 |
|---|---|---|---|
| Samara | 86.3°F | 83.4°F | 83.3°F |
| Tamarindo | 86.3°F | 83.6°F | 83.3°F |
| Playas del Coco | 86.2°F | 83.9°F | 83.7°F |
| Playa Flamingo | 86.0°F | 83.7°F | 83.5°F |
| Puerto Limon | 85.8°F | 84.8°F | 84.4°F |
| Limon | 85.8°F | 84.8°F | 84.4°F |
| San Jose | 85.8°F | 83.8°F | 83.2°F |
| Santa Teresa | 85.8°F | 83.4°F | 82.9°F |
| Cartago | 85.7°F | 83.9°F | 83.3°F |
| Puerto Viejo de Talamanca | 85.7°F | 85.0°F | 84.2°F |
| Jaco | 85.7°F | 83.5°F | 83.1°F |
| Alajuela | 85.6°F | 83.5°F | 83.1°F |
| Quepos | 85.6°F | 83.8°F | 83.3°F |
| El Roble | 85.6°F | 83.6°F | 83.0°F |
| Heredia | 85.6°F | 83.5°F | 83.1°F |
| Cahuita | 85.6°F | 84.9°F | 84.3°F |
| Tortuguero | 85.6°F | 84.7°F | 84.4°F |
Charts below show average sea water temperature for Costa Rica resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Costa Rica resorts at that time.
Places in Costa Rica:
Name
°F
