Santiago weather by month › September
Santiago in September: weather and what to expect
It’s fine, but not the best. March to April and October are more pleasant.
September weather in Santiago
Daytime high66°F 19°C
Night low44°F 7°C
Rain1.1 in 27 mm
AirDry
SunSunny
In September, Santiago averages highs of 66°F (19°C) and lows of 44°F (7°C), with 1.1 in (27 mm) of rain. The air feels dry and the sun is sunny. 1991–2020 averages, not a forecast.
Pack: light layers, a sweater for evenings.
Places with the same weather in September
Match out of 100 for September, one city per country.
Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec