In September warmest sea in Uruguay is usually observed in the following locations: Colonia del Sacramento, Montevideo, Ciudad de la Costa.
Table below shows the average sea water temperature for marine resorts of Uruguay in September for the last three years.
| Place name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Colonia del Sacramento | 59.2°F | 61.8°F | 60.2°F |
| Montevideo | 55.9°F | 58.7°F | 57.8°F |
| Ciudad de la Costa | 55.7°F | 58.2°F | 56.7°F |
| Piriapolis | 55.5°F | 56.9°F | 55.2°F |
| Punta del Diablo | 55.2°F | 56.8°F | 55.6°F |
| Punta del Este | 55.1°F | 56.1°F | 54.5°F |
| Maldonado | 55.1°F | 56.1°F | 54.5°F |
| Cabo Polonio | 55.0°F | 55.7°F | 54.5°F |
| La Paloma | 55.0°F | 55.6°F | 54.5°F |
| Faro de Jose Ignacio | 54.9°F | 55.7°F | 54.1°F |
Charts below show average sea water temperature for Uruguay resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Uruguay resorts at that time.
Places in Uruguay:
Name
°F
