What is the weather like in Bangkok vs Ulaanbaatar in September?

In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Ulaanbaatar averages 17°C high / 2°C low with about 43 mm.

Bangkok vs Ulaanbaatar in September

Ulaanbaatar is the better pick in September — 78 vs 46 on SeasonMap's comfort score. Ulaanbaatar is cool, a little rain, clean air, while Bangkok is sweltering, soaked, muggy air.

Bangkok vs Ulaanbaatar — September climate, side by side

	🇹🇭 Bangkok	🇲🇳 Ulaanbaatar
Comfort score	46/100 (F)	78/100 (B)
Feels-like high	39°C	14°C
Avg high / low	33° / 26°	17° / 2°
Rainfall	254 mm	43 mm
Rainy days	26	8
Humidity	82%	64%
Air quality (AQI)	60	36

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

Month by month

Bangkok vs Ulaanbaatar in September — FAQ

Is September better in Bangkok or Ulaanbaatar?: Ulaanbaatar is the better pick in September — 78 vs 46 on SeasonMap's comfort score. Ulaanbaatar is cool, a little rain, clean air, while Bangkok is sweltering, soaked, muggy air.
What is the weather like in Bangkok vs Ulaanbaatar in September?: In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Ulaanbaatar averages 17°C high / 2°C low with about 43 mm.