Measurements:
°C
°F
Ushuaia
30°F
S 5 mph
Feels like: 26°F
Precip: 26%
World Resorts Argentina Ushuaia Weather

7 Day Weather Forecast

09.28
mon
DAY
36°F
NW 2 mph
precip
5%
NIGHT
32°F
S 4 mph
precip
34%
09.29
tue
DAY
36°F
S 4 mph
precip
23%
NIGHT
34°F
S 3 mph
precip
35%
09.30
wed
DAY
38°F
S 3 mph
precip
23%
NIGHT
30°F
S 6 mph
precip
40%
10.01
thu
DAY
42°F
SE 2 mph
precip
7%
NIGHT
36°F
S 6 mph
precip
38%
10.02
fri
DAY
32°F
S 6 mph
precip
50%
NIGHT
30°F
W 1 mph
precip
65%
10.03
sat
DAY
36°F
E 1 mph
precip
30%
NIGHT
36°F
E 1 mph
precip
17%
10.04
sun
DAY
44°F
SE 2 mph
precip
18%
NIGHT
32°F
E 2 mph
precip
36%

Ushuaia Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Ushuaia was 5.7°F. The maximum and minimum values were 5.4°F and 5.9°F respectively.

Ushuaia on the Weather Map

Best Time to Visit Ushuaia
The most sunny months:
May 4 days
July 4 days
August 4 days
The most warm months:
January 52.5 °F
February 52.1 °F
December 50.5 °F
Warmest sea temperature:
February 48.1 °F
January 47.6 °F
March 47.3 °F
The most cold months:
July 30.9 °F
June 31.4 °F
August 33.9 °F
The most rainy months:
January 6 days
December 6 days
November 5 days
The most windy months:
November 9 mph
October 9 mph
January 9 mph