Temperature in Buenos Aires Province in September

Daytime highs, nighttime lows and the warmest cities in Buenos Aires Province, Argentina this September.

Buenos Aires Province, Argentina, a region in Argentina, experiences maximum daytime temperatures in September ranging from 12°C (54°F) in Malargüe to 22°C (72°F) in San Nicolás de los Arroyos. Nighttime temperatures generally drop to 10°C (50°F) in San Nicolás de los Arroyos and -2°C (28°F) in Malargüe.

What is the temperature of the different cities in Buenos Aires Province, Argentina in September?

Discover the typical September temperatures for the most popular locations of Buenos Aires Province on the map below. Detailed insights are just a click away.

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For a detailed overview over the year and the best time to visit Buenos Aires Province, check out our Buenos Aires Province's climate page.

See also: Buenos Aires Province weather by month.

Best Places to Visit in Buenos Aires Province in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Buenos Aires Province.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Buenos Aires Province

Buenos Aires Province temperatures in September: frequently asked questions

How hot does it get in Buenos Aires Province, Argentina in September?

Daytime temperatures in Mar del Plata typically peak at 16°C (61°F) in September, putting it in the moderate range.

How cold does it get at night in Buenos Aires Province, Argentina in September?

Average overnight lows in Buenos Aires Province, Argentina during September sit near 7°C (45°F) in Mar del Plata.

What is the warmest city in September in Buenos Aires Province, Argentina?

According to our recent database analysis, San Nicolás de los Arroyos is the warmest city. It experiences an average maximum daytime temperature of approximately 22°C (72°F) and rarely drops below 10°C (50°F) during the night.

What is the coldest city in September in Buenos Aires Province, Argentina?

Our database indicates that in September, Malargüe is the city with the coolest temperatures in Buenos Aires Province, Argentina. You can expect daytime highs of 12°C (54°F) and nighttime lows close to -2°C (28°F).

How much sun does Buenos Aires Province, Argentina get in September?

Across Buenos Aires Province, Argentina, sunshine in September ranges from moderately sunny in Bahía Blanca (159 hours) to sunny in Pehuajó (199 hours).

What is the water temperature in September?

Across Buenos Aires Province, Argentina, sea temperatures in September range from frigid at 11°C (52°F) in Mar del Plata to cold at 12°C (54°F) in Bahía Blanca — so swimming conditions depend on which coast you pick.

Interested in more climate information?

We have much more information about the climate in Buenos Aires Province.

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