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

In September, Mendoza averages 23°C high / 9°C low with about 11 mm of rain; Santiago averages 21°C high / 5°C low with about 42 mm.

Mendoza vs Santiago in September

Mendoza is the better pick in September — 94 vs 83 on SeasonMap's comfort score. Mendoza is nice, dry, clean air, while Santiago is nice, a little rain.

Mendoza vs Santiago — September climate, side by side

	🇦🇷 Mendoza	🇨🇱 Santiago
Comfort score	94/100 (S)	83/100 (A)
Feels-like high	20°C	20°C
Avg high / low	23° / 9°	21° / 5°
Rainfall	11 mm	42 mm
Rainy days	3	6
Humidity	45%	66%
Air quality (AQI)	31	96

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

Month by month

Mendoza 🇦🇷 Argentinanice, dry, clean air · best April94
Santiago 🇨🇱 Chilenice, a little rain · best November83

Mendoza vs Santiago in September — FAQ

Is September better in Mendoza or Santiago?: Mendoza is the better pick in September — 94 vs 83 on SeasonMap's comfort score. Mendoza is nice, dry, clean air, while Santiago is nice, a little rain.
What is the weather like in Mendoza vs Santiago in September?: In September, Mendoza averages 23°C high / 9°C low with about 11 mm of rain; Santiago averages 21°C high / 5°C low with about 42 mm.