What is the weather like in Buenos Aires vs Mar del Plata in September?

In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; Mar del Plata averages 17°C high / 6°C low with about 59 mm.

Buenos Aires vs Mar del Plata in September

Buenos Aires is the better pick in September — 86 vs 70 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air, while Mar del Plata is cool, a little rain, clean air.

Buenos Aires vs Mar del Plata — September climate, side by side

	Buenos Aires	Mar del Plata
Comfort score	86/100 (A)	70/100 (B)
Feels-like high	17°C	15°C
Avg high / low	19° / 12°	17° / 6°
Rainfall	66 mm	59 mm
Rainy days	6	7
Humidity	74%	77%
Air quality (AQI)	34	27

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Buenos Aires vs Mar del Plata in September — FAQ

Is September better in Buenos Aires or Mar del Plata?: Buenos Aires is the better pick in September — 86 vs 70 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air, while Mar del Plata is cool, a little rain, clean air.
What is the weather like in Buenos Aires vs Mar del Plata in September?: In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; Mar del Plata averages 17°C high / 6°C low with about 59 mm.