Buenos Aires weather in September (Argentina)
Is September a good time to explore Buenos Aires weather-wise? Discover if this is the best time for your journey with our detailed monthly weather breakdown.
Temperatures
Monthly weather patterns in Buenos Aires during September are typically perfect, bringing pleasant temperatures and moderate rainfall. Daytime temperatures generally settle around 20°C, while nighttime can see a dip to about 9°C.
Precipitation
Buenos Aires in September usually receives moderate rainfall, averaging around 76 mm for the month. Analyzing past climate data, one can expect approximately 7 days of rain.
Average sunshine
Expect a moderate amount of sunlight, with approximately 186 hours. This means a pleasant mix of sun and clouds.
Average windspeed
In September, average wind speeds reach 4 m/s, leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in September
You won't be able to swim during this month since the water temperature is only 12°C. These frigid conditions make the water feel biting cold against your skin. So this is a great month to visit if you prefer dry days with pleasant temperatures. March, April, May, September, November and December typically offer the best weather. Our weather planner can help you find other warm and sunny destinations for this time of year.
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Buenos Aires's climate page.
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
4 m/s
Sunshine
186 hours
Percentage Sunshine
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.
perfect weather
pleasant
tolerable
unpleasant
poor
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Buenos Aires's climate page.
So, what should you wear in this month?
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.
Interested in more climate information?
This site 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 travel conditions. Find out where to go with our weather planner.
