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

Looking to travel to San Juan in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In San Juan, September is characterized by high temperatures and low rainfall. Daytime temperatures hover around 23°C, while nights can cool down to about 8°C.

San Juan in September usually receives low rainfall, averaging around 24 mm for the month. Typically around 2 days of rainfall is expected.

With around 263 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

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 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 San Juan in September?

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 in September.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

5/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.