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

In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; Reykjavík averages 11°C high / 6°C low with about 133 mm.

Buenos Aires vs Reykjavík in September

Buenos Aires is the better pick in September — 86 vs 68 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air, while Reykjavík is cold, rainy, clean air.

Buenos Aires vs Reykjavík — September climate, side by side

	🇦🇷 Buenos Aires	🇮🇸 Reykjavík
Comfort score	86/100 (A)	68/100 (C)
Feels-like high	17°C	8°C
Avg high / low	19° / 12°	11° / 6°
Rainfall	66 mm	133 mm
Rainy days	6	18
Humidity	74%	85%
Air quality (AQI)	34	32

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

Month by month

Buenos Aires vs Reykjavík in September — FAQ

Is September better in Buenos Aires or Reykjavík?: Buenos Aires is the better pick in September — 86 vs 68 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air, while Reykjavík is cold, rainy, clean air.
What is the weather like in Buenos Aires vs Reykjavík in September?: In September, Buenos Aires averages 19°C high / 12°C low with about 66 mm of rain; Reykjavík averages 11°C high / 6°C low with about 133 mm.