Average temperatures, rainfall and packing tips for Santiago, Chile in September
🌡️ Avg high
19°C
🌙 Avg low
9°C
🌧️ Rainfall
~6 mm
📊 Warmth rank
#8 of 12
September in Santiago at a glance
September in Santiago is typically mild, with average daytime highs around 19°C and nights near 9°C. Temperature-wise it sits mid-range for Santiago (the 8th warmest month).
Rainfall is light in September: roughly 6 mm across the whole month.
What to pack for Santiago in September
Medium layers: long sleeves and a sweater
A light-to-medium jacket
Santiago - year at a glance
HighLow · September highlighted
Is September a good time to visit Santiago?
🧳 September is one of the most comfortable months to visit Santiago - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In September, Santiago averages a daytime high of about 19°C and a night-time low of around 9°C, based on recent historical data.
Does it rain in Santiago in September?
Rainfall is light in September: roughly 6 mm across the whole month.
Is September a good time to visit Santiago?
September is one of the most comfortable months to visit Santiago - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.