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Climate · Ushuaia

Ushuaia in September

Chilly and wet, as the days lengthen.

Typical weather, averaged over 30 years

September in Ushuaia is chilly: highs near 41°F, lows near 27°F. Rain or snow falls on about four days a week, and the days lengthen by 1 hour 36 minutes from the first week to the last.September in Ushuaia is chilly: highs near 5°C, lows near -3°C. Rain or snow falls on about four days a week, and the days lengthen by 1 hour 36 minutes from the first week to the last.

High
41°F5°Caverage
Low
27°F-3°Caverage
Wet days
4a week · 54% of days
Daylight
11h 49mon average

Is September a good time to visit Ushuaia?

A good month, just outside Ushuaia's mildest months, which run from December to March.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How September sits in the year

week by week

Temperature

Highs near 41°F in September, against 35°F to 57°F through the year.Highs near 5°C in September, against 2°C to 14°C through the year.

Chance of a wet day

54% of days in September, against 53% to 81% through the year.

Cloud cover

67% cover in September, against 62% to 70% through the year.

Daylight

11h 49m in September, against 7h 18m to 17h 14m through the year.

Week by week, lightly smoothed, with September shaded. The olive line marks the mildest months. Hover or tap a week for its figures.

Either side

  1. August37°3°low 24°low -4°4 wet days a weekRain on about four days a week.
  2. September41°5°low 27°low -3°4 wet days a weekRain on about four days a week.
  3. October45°7°low 30°low -1°4 wet days a weekRain on about four days a week.

Where Ushuaia sits, in September

America/Punta Arenas
this place
typical high in September 40°F4°C95°F35°C
Sunrise, mid-September
7:42 AMsets 7:15 PM
Above the sea
130 mlow-lying
Latitude
54.8°Ssouthern hemisphere
Nearest of ours
Bariloche1536 km north

The land around Ushuaia, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Argentina in September

high · low · wet days
See September on the planning mapThe whole year in Ushuaia

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Ushuaia. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (130 m) against the climate model's (314 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (130 m) against the climate model's (314 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.