What is the weather like in Buenos Aires vs Ushuaia in September?

In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; Ushuaia averages 8°C high / 1°C low with about 49 mm.

Buenos Aires vs Ushuaia in September

Buenos Aires is the better pick in September — 86 vs 69 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air, while Ushuaia is cold, a little rain, clean air.

Buenos Aires vs Ushuaia — September climate, side by side

	Buenos Aires	Ushuaia
Comfort score	86/100 (A)	69/100 (C)
Feels-like high	17°C	5°C
Avg high / low	19° / 12°	8° / 1°
Rainfall	66 mm	49 mm
Rainy days	6	13
Humidity	74%	85%
Air quality (AQI)	34	28

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Buenos Aires vs Ushuaia in September — FAQ

Is September better in Buenos Aires or Ushuaia?: Buenos Aires is the better pick in September — 86 vs 69 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air, while Ushuaia is cold, a little rain, clean air.
What is the weather like in Buenos Aires vs Ushuaia in September?: In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; Ushuaia averages 8°C high / 1°C low with about 49 mm.