What is the weather like in Mendoza vs Viña del Mar in September?

In September, Mendoza averages 23°C high / 9°C low with about 11 mm of rain; Viña del Mar averages 20°C high / 7°C low with about 14 mm.

Mendoza vs Viña del Mar in September

Mendoza is the better pick in September — 94 vs 79 on SeasonMap's comfort score. Mendoza is nice, dry, clean air, while Viña del Mar is nice, dry, clean air.

Mendoza vs Viña del Mar — September climate, side by side

	🇦🇷 Mendoza	🇨🇱 Viña del Mar
Comfort score	94/100 (S)	79/100 (B)
Feels-like high	20°C	19°C
Avg high / low	23° / 9°	20° / 7°
Rainfall	11 mm	14 mm
Rainy days	3	2
Humidity	45%	78%
Air quality (AQI)	31	38

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

Month by month

Mendoza vs Viña del Mar in September — FAQ

Is September better in Mendoza or Viña del Mar?: Mendoza is the better pick in September — 94 vs 79 on SeasonMap's comfort score. Mendoza is nice, dry, clean air, while Viña del Mar is nice, dry, clean air.
What is the weather like in Mendoza vs Viña del Mar in September?: In September, Mendoza averages 23°C high / 9°C low with about 11 mm of rain; Viña del Mar averages 20°C high / 7°C low with about 14 mm.