Measurements:
°C
°F
Montevideo
68°F
SW 10 mph
Feels like: 68°F
Precip: 22%
World Resorts Uruguay Montevideo Weather

7 Day Weather Forecast

09.28
mon
DAY
72°F
SW 14 mph
precip
17%
NIGHT
62°F
W 14 mph
precip
27%
09.29
tue
DAY
62°F
SE 7 mph
precip
88%
NIGHT
54°F
NE 16 mph
precip
17%
09.30
wed
DAY
58°F
NE 11 mph
precip
12%
NIGHT
52°F
N 6 mph
precip
22%
10.01
thu
DAY
56°F
NE 14 mph
precip
4%
NIGHT
48°F
W 4 mph
precip
11%
10.02
fri
DAY
62°F
S 6 mph
precip
7%
NIGHT
52°F
SW 12 mph
precip
18%
10.03
sat
DAY
64°F
SE 6 mph
precip
13%
NIGHT
54°F
NE 4 mph
precip
38%
10.04
sun
DAY
68°F
E 12 mph
precip
1%
NIGHT
54°F
SE 7 mph
precip
10%

Montevideo Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Montevideo was 13.2°F. The maximum and minimum values were 12.2°F and 14.5°F respectively.

Montevideo on the Weather Map

Best Time to Visit Montevideo
The most sunny months:
January 22 days
December 21 days
November 20 days
The most warm months:
January 87.6 °F
February 85.9 °F
December 83.6 °F
Warmest sea temperature:
January 79.0 °F
February 78.9 °F
December 75.7 °F
The most cold months:
July 58.0 °F
June 59.6 °F
August 60.3 °F
The most rainy months:
February 4 days
April 4 days
July 4 days
The most windy months:
January 11 mph
November 11 mph
October 11 mph