13.09
sun
sun
Day

50°F
N 8 mph
Precip.
6%
6%
Night

41°F
SW 5 mph
Precip.
15%
15%
14.09
mon
mon
Day

54°F
SE 6 mph
Precip.
1%
1%
Night

45°F
S 6 mph
Precip.
6%
6%
15.09
tue
tue
Day

59°F
NE 12 mph
Precip.
3%
3%
Night

46°F
NW 10 mph
Precip.
6%
6%
16.09
wed
wed
Day

57°F
W 5 mph
Precip.
1%
1%
Night

48°F
SW 8 mph
Precip.
8%
8%
17.09
thu
thu
Day

63°F
S 11 mph
Precip.
11%
11%
Night

52°F
SW 7 mph
Precip.
11%
11%
18.09
fri
fri
Day

68°F
SW 6 mph
Precip.
11%
11%
Night

59°F
SW 5 mph
Precip.
26%
26%
19.09
sat
sat
Day

73°F
S 6 mph
Precip.
2%
2%
Night

63°F
SW 6 mph
Precip.
25%
25%
20.09
sun
sun
Day

77°F
SW 11 mph
Precip.
12%
12%
Night

61°F
NE 6 mph
Precip.
46%
46%
21.09
mon
mon
Day

55°F
NE 14 mph
Precip.
21%
21%
Night

50°F
NE 14 mph
Precip.
20%
20%
22.09
tue
tue
Day

54°F
NE 11 mph
Precip.
3%
3%
Night

46°F
S 4 mph
Precip.
17%
17%
23.09
wed
wed
Day

64°F
S 5 mph
Precip.
1%
1%
Night

54°F
S 7 mph
Precip.
18%
18%
24.09
thu
thu
Day

64°F
SE 11 mph
Precip.
12%
12%
Night

61°F
SW 4 mph
Precip.
8%
8%
25.09
fri
fri
Day

68°F
NW 9 mph
Precip.
14%
14%
Night

57°F
W 7 mph
Precip.
13%
13%
26.09
sat
sat
Day

72°F
SW 13 mph
Precip.
9%
9%
Night

66°F
SW 6 mph
Precip.
22%
22%
sea water
temperature
temperature
| Montevideo |
monthly
weather
weather
| Montevideo |
current
weather
weather
| Montevideo |
7 days
forecast
forecast
| Montevideo |
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.
Air temperature in Montevideo, °F
Precipitation total in Montevideo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Montevideo
Montevideo on a weather map
Places in Uruguay:
Name
°F
24 Hours Forecast
Montevideo
Local time: 16:23
September 13, sunday
1800

46°F
NW
8 mph
8 mph
2100

43°F
W
4 mph
4 mph
September 14, monday
0000

41°F
SW
5 mph
5 mph
0300

39°F
S
4 mph
4 mph
0600

37°F
S
4 mph
4 mph
0900

45°F
S
5 mph
5 mph
1200

54°F
SE
6 mph
6 mph
1500

57°F
SE
7 mph
7 mph



























