Average sea water temperature in September:
+55.2°F
| Minimum sea water temperature in September: | 58.5°F |
| Maximum sea water temperature in September: | 51.3°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 55.0°F. The highest and lowest sea temperatures during the month were 56.8°F and 53.2°F.
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Monthly sea water temperature in Cabo Polonio, °F
Which Uruguay resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Colonia del Sacramento | 59.2°F | 61.8°F |
| Montevideo | 55.9°F | 58.7°F |
| Ciudad de la Costa | 55.7°F | 58.2°F |
| Piriapolis | 55.5°F | 56.9°F |
| Punta del Diablo | 55.2°F | 56.8°F |
| Punta del Este | 55.1°F | 56.1°F |
| Maldonado | 55.1°F | 56.1°F |
| Cabo Polonio | 55.0°F | 55.7°F |
| La Paloma | 55.0°F | 55.6°F |
| Faro de Jose Ignacio | 54.9°F | 55.7°F |
Best time for vacation in Cabo Polonio
Cabo Polonio on a weather map
Places in Uruguay:
Name
°F
24 Hours Forecast
Cabo Polonio
Local time: 18:29
October 24, saturday
2100

57°F
N
16 mph
16 mph
October 25, sunday
0000

57°F
N
14 mph
14 mph
0300

55°F
N
15 mph
15 mph
0600

55°F
N
14 mph
14 mph
0900

55°F
NW
14 mph
14 mph
1200

57°F
N
14 mph
14 mph
1500

57°F
N
15 mph
15 mph
1800

55°F
N
15 mph
15 mph


























