What is the weather like in Mendoza vs Ushuaia in September?

In September, Mendoza averages 23°C high / 9°C low with about 11 mm of rain; Ushuaia averages 8°C high / 1°C low with about 49 mm.

Mendoza vs Ushuaia in September

Mendoza is the better pick in September — 94 vs 69 on SeasonMap's comfort score. Mendoza is nice, dry, clean air, while Ushuaia is cold, a little rain, clean air.

Mendoza vs Ushuaia — September climate, side by side

	🇦🇷 Mendoza	🇦🇷 Ushuaia
Comfort score	94/100 (S)	69/100 (C)
Feels-like high	20°C	5°C
Avg high / low	23° / 9°	8° / 1°
Rainfall	11 mm	49 mm
Rainy days	3	13
Humidity	45%	85%
Air quality (AQI)	31	28

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

Month by month

Mendoza 🇦🇷 Argentinanice, dry, clean air · best April94
Ushuaia 🇦🇷 Argentinacold, a little rain, clean air · best August69

Mendoza vs Ushuaia in September — FAQ

Is September better in Mendoza or Ushuaia?: Mendoza is the better pick in September — 94 vs 69 on SeasonMap's comfort score. Mendoza is nice, dry, clean air, while Ushuaia is cold, a little rain, clean air.
What is the weather like in Mendoza vs Ushuaia in September?: In September, Mendoza averages 23°C high / 9°C low with about 11 mm of rain; Ushuaia averages 8°C high / 1°C low with about 49 mm.