Santiago weather in September (Santiago Metropolitan Region, Chile)

The average maximum daytime temperature in Santiago in September lies at 18.5°C (65.3°F). The average minimum temperature is 5.0°C (41°F) (usually the minimum temperature is noted at night).

September is a dry month with an average of 22mm (0.9 inches) of rain. There are generally around 3 rainy days. The sun will occasionally show itself with 186 hours of sunshine during the entire 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. At night it can still cool off so best to pack some warmer nightwear as well.

No idea where to travel to this year? We now have a tool which recommends destinations that suit 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

Where to go in Chile in September

Find out more about the weather in Chile in September and which places have the best weather conditions in this month.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

What To Do

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

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

Weather Forecasts for Santiago (Santiago Metropolitan Region)

Tue   Feb 07
33°C | 18°C
SW 14 km/h
clear and no rain

clear and no rain

Wed   Feb 08
35°C | 19°C
SW 18 km/h
clear and no rain

clear and no rain

Thu   Feb 09
36°C | 20°C
SW 18 km/h
clear and no rain

clear and no rain

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.