Measurements:
°C
°F
Montevideo
56°F
S 2 mph
Feels like: 58°F
Precip: 14%
World Resorts Uruguay Montevideo Weather

7 Day Weather Forecast

09.08
tue
DAY
58°F
S 9 mph
precip
3%
NIGHT
48°F
S 5 mph
precip
9%
09.09
wed
DAY
62°F
SW 6 mph
precip
12%
NIGHT
52°F
SW 4 mph
precip
11%
09.10
thu
DAY
66°F
NW 4 mph
precip
10%
NIGHT
54°F
W 7 mph
precip
29%
09.11
fri
DAY
60°F
NW 17 mph
precip
17%
NIGHT
50°F
N 19 mph
precip
26%
09.12
sat
DAY
48°F
N 15 mph
precip
21%
NIGHT
44°F
NW 7 mph
precip
4%
09.13
sun
DAY
52°F
NW 9 mph
precip
1%
NIGHT
42°F
SW 7 mph
precip
8%
09.14
mon
DAY
58°F
S 8 mph
precip
1%
NIGHT
54°F
S 7 mph
precip
24%

Montevideo Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Montevideo was 14.9°F. The maximum and minimum values were 13.3°F and 16.9°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