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

In September, Portillo averages 4°C high / -3°C low with about 47 mm of rain; Santiago averages 21°C high / 5°C low with about 42 mm.

Portillo vs Santiago in September

Santiago is the better pick in September — 83 vs 79 on SeasonMap's comfort score. Santiago is nice, a little rain, while Portillo is cold, a little rain, clean air.

Portillo vs Santiago — September climate, side by side

	🇨🇱 Portillo	🇨🇱 Santiago
Comfort score	79/100 (B)	83/100 (A)
Feels-like high	3°C	20°C
Avg high / low	4° / -3°	21° / 5°
Rainfall	47 mm	42 mm
Rainy days	6	6
Humidity	59%	66%
Air quality (AQI)	50	96

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

Month by month

Portillo vs Santiago in September — FAQ

Is September better in Portillo or Santiago?: Santiago is the better pick in September — 83 vs 79 on SeasonMap's comfort score. Santiago is nice, a little rain, while Portillo is cold, a little rain, clean air.
What is the weather like in Portillo vs Santiago in September?: In September, Portillo averages 4°C high / -3°C low with about 47 mm of rain; Santiago averages 21°C high / 5°C low with about 42 mm.