World Resorts Uruguay Montevideo Weather

Montevideo Sea Temperature in September

Average sea water temperature in September:
+57.8°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:
2025
2024
2023

The average sea water temperature in September of 2025 was 58.7°F. The highest and lowest sea temperatures during the month were 62.4°F and 55.9°F.

Monthly sea water temperature in Montevideo, °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
Maldonado 56.1°F 54.5°F
Punta del Este 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 Montevideo

Sunniest months:
January 22 days
December 21 days
November 20 days
Warmest months:
January 84.0 °F
February 82.3 °F
December 80.3 °F
Warmest sea temp:
January 76.1 °F
February 76.0 °F
December 73.1 °F
Coldest months:
July 57.2 °F
June 58.8 °F
August 59.5 °F
Rainiest months:
February 5 days
April 4 days
July 4 days
Windiest months:
January 11.0 mph
November 11.0 mph
February 10.8 mph

Montevideo on a weather map

Current weather
11:29
Montevideo
+81°F
SE 2 mph
Feels like: +79°F
Precip.: 0%
Places in Uruguay:
Name
°F
24 Hours Forecast
Montevideo
Local time: 11:29
January 05, monday
1200
81°F
SE
2 mph
1500
82°F
N
11 mph
1800
79°F
NW
13 mph
2100
73°F
W
15 mph
January 06, tuesday
0000
68°F
SW
14 mph
0300
64°F
SW
14 mph
0600
63°F
S
13 mph
0900
77°F
S
14 mph
Units of measurement: °C / °F