Transit Desk

Climate

Weather in Chile in September

Weather in Chile, September
In September, Chile sees average highs of 18.4°C (65°F) and lows of 8.6°C (47°F), with around 33 mm of rain.

Chile — September

Chile September
Daytime high
18.4°C (65°F)
Overnight low
8.6°C (47°F)
Rainfall
33 mm
Best-time rank
Off-peak

How September compares

Chile, September vs. the annual average (2025)
This month18.4°C (65°F) / 8.6°C (47°F) · 33 mm
Yearly average22.8°C (73°F) / 11.1°C (52°F) · 32 mm

September in Chile runs 4.4°C (7.9°F) cooler than the yearly average, and is close to the yearly average rainfall. Pack a warm jacket for cooler conditions.

Common questions

What is the weather like in Chile in September?

Average highs of 18.4°C (65°F) and lows of 8.6°C (47°F), with around 33 mm of rain.

Is September a good time to visit Chile?

It is an off-peak month for comfort in Chile; February, March, December tend to be more pleasant.

Updated climate normals, 2025