World Resorts Uruguay Montevideo Weather

Montevideo Sea Temperature in September

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.

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

Sunniest months:
January 22 days
December 21 days
November 20 days
Warmest months:
January 83.8 °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 58.7 °F
August 59.2 °F
Rainiest months:
February 4 days
April 4 days
July 4 days
Windiest months:
January 11.1 mph
November 11.0 mph
October 10.7 mph

Montevideo on a weather map

Current weather
18:31
Montevideo
+57°F
NW 13 mph
Feels like: +54°F
Precip.: 37%
Places in Uruguay:
Name
°F
24 Hours Forecast
Montevideo
Local time: 18:31
October 24, saturday
2100
55°F
N
13 mph
October 25, sunday
0000
54°F
N
11 mph
0300
54°F
N
12 mph
0600
52°F
N
13 mph
0900
54°F
N
12 mph
1200
55°F
N
11 mph
1500
57°F
N
13 mph
1800
55°F
N
10 mph
Units of measurement: °C / °F