Average sea water temperature in September:
+55.6°F
| Minimum sea water temperature in September: | 60.8°F |
| Maximum sea water temperature in September: | 50.5°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 56.9°F. The highest and lowest sea temperatures during the month were 59.2°F and 54.3°F.
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| Piriapolis |
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Monthly sea water temperature in Piriapolis, °F
Which Uruguay resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Colonia del Sacramento | 61.8°F | 60.2°F |
| Montevideo | 58.7°F | 57.8°F |
| Ciudad de la Costa | 58.2°F | 56.7°F |
| Piriapolis | 56.9°F | 55.2°F |
| Punta del Diablo | 56.8°F | 55.6°F |
| Punta del Este | 56.1°F | 54.5°F |
| Maldonado | 56.1°F | 54.5°F |
| Faro de Jose Ignacio | 55.7°F | 54.1°F |
| Cabo Polonio | 55.7°F | 54.5°F |
| La Paloma | 55.6°F | 54.5°F |
Best time for vacation in Piriapolis
Piriapolis on a weather map
Places in Uruguay:
Name
°F
24 Hours Forecast
Piriapolis
Local time: 18:57
December 08, monday
2100

66°F
W
19 mph
19 mph
December 09, tuesday
0000

66°F
W
17 mph
17 mph
0300

66°F
W
16 mph
16 mph
0600

68°F
W
17 mph
17 mph
0900

68°F
W
21 mph
21 mph
1200

68°F
W
19 mph
19 mph
1500

68°F
W
17 mph
17 mph
1800

68°F
W
20 mph
20 mph



























