Average sea water temperature in September:
+57.7°F
| Minimum sea water temperature in September: | 65.1°F |
| Maximum sea water temperature in September: | 52.3°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 55.9°F. The highest and lowest sea temperatures during the month were 59.0°F and 54.0°F.
sea water
temperature
temperature
| Montevideo |
monthly
weather
weather
| Montevideo |
current
weather
weather
| Montevideo |
14 days
forecast
forecast
| Montevideo |
Monthly sea water temperature in Montevideo, °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 Montevideo
Montevideo on a weather map
Places in Uruguay:
Name
°F
24 Hours Forecast
Montevideo
Local time: 15:57
October 04, sunday
1800

63°F
N
3 mph
3 mph
2100

57°F
SW
3 mph
3 mph
October 05, monday
0000

54°F
S
6 mph
6 mph
0300

52°F
S
6 mph
6 mph
0600

52°F
SW
6 mph
6 mph
0900

61°F
S
6 mph
6 mph
1200

70°F
S
6 mph
6 mph
1500

70°F
S
9 mph
9 mph



























