What is the weather like in Buenos Aires vs Copacabana in September?

In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; Copacabana averages 14°C high / 7°C low with about 27 mm.

Buenos Aires vs Copacabana in September

Buenos Aires and Copacabana are nearly tied in September — 86 vs 89 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air; Copacabana is cool, dry, clean air.

Buenos Aires vs Copacabana — September climate, side by side

	Buenos Aires	Copacabana
Comfort score	86/100 (A)	89/100 (A)
Feels-like high	17°C	12°C
Avg high / low	19° / 12°	14° / 7°
Rainfall	66 mm	27 mm
Rainy days	6	8
Humidity	74%	59%
Air quality (AQI)	34	46

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

Buenos Aires vs Copacabana in September — FAQ

Is September better in Buenos Aires or Copacabana?: Buenos Aires and Copacabana are nearly tied in September — 86 vs 89 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air; Copacabana is cool, dry, clean air.
What is the weather like in Buenos Aires vs Copacabana in September?: In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; Copacabana averages 14°C high / 7°C low with about 27 mm.