Santiago weather in September (Nuevo León, Mexico)

Curious about the September weather in Santiago? This guide provides all the details you need.

In September, Santiago typically experiences high temperatures and heavy rainfall. Anticipate daytime temperatures around 28°C, while night temperatures can drop to 18°C.

Santiago in September usually receives heavy rainfall, averaging around 194 mm for the month. This month marks the year's heaviest rainfall, with frequent intense rainshowers. It's advisable to be prepared with appropriate rain gear to stay dry. Based on our climate data of the past 30 years, about 8 days of rain are anticipated.

The days are predominantly sunny, with an estimated total of around 200 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Santiago. February, November and December typically offer the best circumstances. While September tends to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Santiago climate page with graphs.

 

Santiago, monthly averages in September

Min Temperature 18°C  

Max Temperature 28°C  

Chance of Rain 25%  

Precipitation 194 mm  

Rainy days 8 days  

Humidity 70% *  

Sunshine 200 hours *  

Percentage Sunshine *  

* Data from: Monterrey, Mexico (32 KM, 20 Miles).

Where to go in Mexico in September

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

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Santiago in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 every country in the world. Are you going to Mexico? On this website you can find historical weather averages for many cities in Mexico. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.