In September warmest sea in Chile is usually observed in the following locations: Easter Island, Arica, Iquique.
Table below shows the average sea water temperature for marine resorts of Chile in September for the last three years.
| Place name | September 2025 | September 2024 | September 2023 |
|---|---|---|---|
| Easter Island | 69.2°F | 67.5°F | 68.3°F |
| Arica | 61.1°F | 61.5°F | 64.5°F |
| Iquique | 60.8°F | 60.3°F | 64.5°F |
| Antofagasta | 60.0°F | 59.6°F | 63.2°F |
| La Serena | 57.4°F | 56.5°F | 57.5°F |
| Coquimbo | 57.3°F | 56.5°F | 57.4°F |
| Los Vilos | 55.4°F | 53.5°F | 54.6°F |
| Concon | 55.4°F | 53.8°F | 54.9°F |
| Pichidangui | 55.4°F | 53.9°F | 55.1°F |
| Cartagena | 55.3°F | 52.9°F | 55.1°F |
| Las Cruces | 55.3°F | 52.9°F | 55.1°F |
| San Antonio | 55.2°F | 52.8°F | 55.1°F |
| El Tabo | 55.2°F | 53.0°F | 55.1°F |
| Vina del Mar | 55.2°F | 53.9°F | 54.7°F |
| Algarrobo | 55.0°F | 52.8°F | 55.0°F |
| El Quisco | 55.0°F | 52.8°F | 55.0°F |
| Valparaiso | 54.8°F | 53.7°F | 54.7°F |
| Concepcion | 54.5°F | 52.6°F | 54.5°F |
| Talcahuano | 54.5°F | 52.5°F | 54.6°F |
| Puerto Montt | 51.7°F | 50.7°F | 50.6°F |
| Chiloe | 50.5°F | 49.0°F | 49.6°F |
| Torres del Paine | 43.6°F | 43.2°F | 42.8°F |
| Punta Arenas | 42.7°F | 42.7°F | 42.1°F |
| Puerto Natales | 42.2°F | 41.8°F | 40.4°F |
Charts below show average sea water temperature for Chile resorts with the warmest sea in September.
You can also check other months of the year to see sea temperature of Chile resorts at that time.
Places in Chile:
Name
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