Average sea water temperature in September:
+54.7°F
| Minimum sea water temperature in September: | 59.2°F |
| Maximum sea water temperature in September: | 51.4°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 57.3°F. The highest and lowest sea temperatures during the month were 59.2°F and 55.8°F.
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Monthly sea water temperature in San Antonio, °F
Which Chile resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Easter Island | 69.2°F | 69.2°F |
| Arica | 67.2°F | 61.1°F |
| Iquique | 66.6°F | 60.8°F |
| Antofagasta | 65.9°F | 60.0°F |
| La Serena | 60.4°F | 57.4°F |
| Coquimbo | 60.2°F | 57.3°F |
| Concon | 57.8°F | 55.4°F |
| Vina del Mar | 57.6°F | 55.2°F |
| Pichidangui | 57.5°F | 55.4°F |
| Valparaiso | 57.5°F | 54.8°F |
| Algarrobo | 57.4°F | 55.0°F |
| El Quisco | 57.4°F | 55.0°F |
| El Tabo | 57.4°F | 55.2°F |
| Las Cruces | 57.4°F | 55.3°F |
| Cartagena | 57.3°F | 55.3°F |
| San Antonio | 57.3°F | 55.2°F |
| Los Vilos | 57.0°F | 55.4°F |
| Talcahuano | 55.8°F | 54.5°F |
| Concepcion | 55.6°F | 54.5°F |
| Puerto Montt | 51.1°F | 51.7°F |
Best time for vacation in San Antonio
San Antonio on a weather map
Places in Chile:
Name
°F
24 Hours Forecast
San Antonio
Local time: 05:12
October 05, monday
0600

55°F
N
9 mph
9 mph
0900

57°F
N
6 mph
6 mph
1200

57°F
E
2 mph
2 mph
1500

59°F
S
5 mph
5 mph
1800

61°F
SE
4 mph
4 mph
2100

57°F
SE
5 mph
5 mph
October 06, tuesday
0000

55°F
SW
11 mph
11 mph
0300

57°F
SW
6 mph
6 mph



























