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

In September, Arequipa averages 24°C high / 10°C low with about 1 mm of rain; Buenos Aires averages 19°C high / 12°C low with about 66 mm.

Arequipa vs Buenos Aires in September

Arequipa is the better pick in September — 96 vs 86 on SeasonMap's comfort score. Arequipa is nice, dry, clean air, while Buenos Aires is nice, a little rain, clean air.

Arequipa vs Buenos Aires — September climate, side by side

	Arequipa	Buenos Aires
Comfort score	96/100 (S)	86/100 (A)
Feels-like high	22°C	17°C
Avg high / low	24° / 10°	19° / 12°
Rainfall	1 mm	66 mm
Rainy days	0	6
Humidity	35%	74%
Air quality (AQI)	34	34

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

Arequipa vs Buenos Aires in September — FAQ

Is September better in Arequipa or Buenos Aires?: Arequipa is the better pick in September — 96 vs 86 on SeasonMap's comfort score. Arequipa is nice, dry, clean air, while Buenos Aires is nice, a little rain, clean air.
What is the weather like in Arequipa vs Buenos Aires in September?: In September, Arequipa averages 24°C high / 10°C low with about 1 mm of rain; Buenos Aires averages 19°C high / 12°C low with about 66 mm.