What is the weather like in Buenos Aires vs El Chaltén in September?

In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; El Chaltén averages 4°C high / -1°C low with about 218 mm.

Buenos Aires vs El Chaltén in September

Buenos Aires is the better pick in September — 86 vs 64 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air, while El Chaltén is cold, soaked, clean air.

Buenos Aires vs El Chaltén — September climate, side by side

	Buenos Aires	El Chaltén
Comfort score	86/100 (A)	64/100 (C)
Feels-like high	17°C	1°C
Avg high / low	19° / 12°	4° / -1°
Rainfall	66 mm	218 mm
Rainy days	6	19
Humidity	74%	81%
Air quality (AQI)	34	30

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

Buenos Aires vs El Chaltén in September — FAQ

Is September better in Buenos Aires or El Chaltén?: Buenos Aires is the better pick in September — 86 vs 64 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air, while El Chaltén is cold, soaked, clean air.
What is the weather like in Buenos Aires vs El Chaltén in September?: In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; El Chaltén averages 4°C high / -1°C low with about 218 mm.