Average weather in September in Santiago (Metropolitan Region), Chile

The average minimum temperature (usually the minimum temperature is noted during the night) in Santiago in September is 5.0°C (41°F). September is a dry month with an average of 22mm (0.9in) rain. It rains on average a total of 3 days. The average maximum daytime temperature lies around 18.5°C (65.3°F). The sun will occasionally show itself with 186 hours of sunshine during the whole month.


So what to wear in September? For visitors traveling to Santiago we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages in September

Show in Fahrenheit

Min Temperature 5 °C
Max Temperature 18 °C
Chance of Rain 10%
Precipitation 22mm
Rainy Days 3
Sunshine Hours 186

Where to stay in Santiago

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
6/10
Cycling
10/10
Walking
10/10
Barbeque
7/10
Camping
5/10
Outdoor sports
10/10

Weather Forecasts for Santiago (Metropolitan Region)

TUE Jan 18
31°C | 13°C
Sunny

Sunny

WED Jan 19
32°C | 13°C
Sunny

Sunny

THU Jan 20
31°C | 13°C
Sunny

Sunny

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Santiago.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Chile? On this website you can find historical weather averages for many cities in Chile. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.