Hong Kong vs Ulaanbaatar in September

Ulaanbaatar is the better pick in September — 82 vs 51 on SeasonMap's comfort score. Ulaanbaatar is cool, a little rain, clean air, while Hong Kong is sweltering, soaked, very humid.

Hong Kong vs UlaanbaatarSeptember climate, side by side

Hong KongUlaanbaatar
Comfort score51/100 (D)82/100 (A)
Feels-like high36°C14°C
Avg high / low30° / 26°17° / 4°
Rainfall224 mm39 mm
Rainy days207
Humidity83%64%
Air quality (AQI)8436

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

Hong Kong vs Ulaanbaatar in September — FAQ

Is September better in Hong Kong or Ulaanbaatar?
Ulaanbaatar is the better pick in September — 82 vs 51 on SeasonMap's comfort score. Ulaanbaatar is cool, a little rain, clean air, while Hong Kong is sweltering, soaked, very humid.
What is the weather like in Hong Kong vs Ulaanbaatar in September?
In September, Hong Kong averages 30°C high / 26°C low with about 224 mm of rain; Ulaanbaatar averages 17°C high / 4°C low with about 39 mm.