Weather · Santiago, Chile
Santiago Weather in September
September in Santiago averages 18°C by day and 8°C at night, with about 49mm of rain. That makes it a reasonable time to visit.
Avg high
18°C
64°F
Avg low
8°C
46°F
Rainfall
49mm
#4 wettest of 12
What to pack
Layers, plus a jacket for mornings and nights. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in Santiago builds it around the season for you.