Buenos Aires vs Ulaanbaatar in September

Buenos Aires and Ulaanbaatar are nearly tied in September — 85 vs 82 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air; Ulaanbaatar is cool, a little rain, clean air.

Buenos Aires vs UlaanbaatarSeptember climate, side by side

Buenos AiresUlaanbaatar
Comfort score85/100 (A)82/100 (A)
Feels-like high16°C14°C
Avg high / low18° / 11°17° / 4°
Rainfall52 mm39 mm
Rainy days67
Humidity71%64%
Air quality (AQI)3436

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

Buenos Aires vs Ulaanbaatar in September — FAQ

Is September better in Buenos Aires or Ulaanbaatar?
Buenos Aires and Ulaanbaatar are nearly tied in September — 85 vs 82 on SeasonMap's comfort score. Buenos Aires is nice, a little rain, clean air; Ulaanbaatar is cool, a little rain, clean air.
What is the weather like in Buenos Aires vs Ulaanbaatar in September?
In September, Buenos Aires averages 18°C high / 11°C low with about 52 mm of rain; Ulaanbaatar averages 17°C high / 4°C low with about 39 mm.