Buenos Aires weather in September (Argentina)

What can you expect from the weather in Buenos Aires during September? Here's what the weather might have in store during this month.

In Buenos Aires, September is characterized by pleasant temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 20°C. But by evening, they drop to around 9°C.

Buenos Aires in September usually receives moderate rainfall, averaging around 76 mm for the month. Based on our climate data of the past 30 years, about 7 days of rain are anticipated.

The area experiences a moderate amount of sunshine, with approximately 186 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. March, April, May, September, November and December generally stand out with the best circumstances. While June and July tend to showcase less optimal conditions.

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

 

Buenos Aires, monthly averages in September

Min Temperature 9°C  

Max Temperature 20°C  

Water Temperature 12°C  

Chance of Rain 23%  

Precipitation 76 mm  

Rainy days 7 days  

Humidity 70%  

Windspeed 14 km/h  

Sunshine 186 hours  

Percentage Sunshine  

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 Buenos Aires in September?

For visitors traveling to Buenos Aires, 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. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 12°C there is no need to bring your swimwear.

What To Do

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

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

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.