San Juan weather in September (San Juan Province, Argentina)

What does the weather outlook for San Juan look like in September? Use this page to get an overview of the month’s weather conditions.

Temperatures

The weather in San Juan during September is usually perfect, offering high temperatures and low rainfall. Expect temperatures to climb to 23°C during the day, with nighttime readings dropping to 8°C.

Precipitation

San Juan in September usually receives low rainfall, averaging around 24 mm for the month. Historically, approximately 2 days this month are expected to have rain.

Average sunshine

Expect sunny days throughout the month, with an estimated 263 hours of sunshine. Making it a pleasant time to visit San Juan.

So this is a great month to visit if you prefer dry days with pleasant temperatures. March, April, May, June, July, August, September and October typically offer the most optimal weather. In contrast, January, February, November and December tend to have less optimal conditions.

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

 

San Juan, monthly averages in September

Min Temperature 8°C  

Max Temperature 23°C  

Chance of Rain 8%  

Precipitation 24 mm  

Rainy days 2 days  

Humidity 42%  

Sunshine 263 hours  

Percentage Sunshine 74%  

Where to go in Argentina in September

Find out more about the weather in Argentina and which places have the best travel 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 this month?

For visitors traveling to San Juan, 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.

What To Do

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

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

5/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Juan.

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