What is the weather like in Bangkok vs Siem Reap in September?

In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Siem Reap averages 31°C high / 25°C low with about 254 mm.

Bangkok vs Siem Reap in September

Bangkok and Siem Reap are nearly tied in September — 46 vs 49 on SeasonMap's comfort score. Bangkok is sweltering, soaked, muggy air; Siem Reap is sweltering, soaked, clean air.

Bangkok vs Siem Reap — September climate, side by side

	Bangkok	Siem Reap
Comfort score	46/100 (F)	49/100 (F)
Feels-like high	39°C	37°C
Avg high / low	33° / 26°	31° / 25°
Rainfall	254 mm	254 mm
Rainy days	26	27
Humidity	82%	86%
Air quality (AQI)	60	33

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

Bangkok vs Siem Reap in September — FAQ

Is September better in Bangkok or Siem Reap?: Bangkok and Siem Reap are nearly tied in September — 46 vs 49 on SeasonMap's comfort score. Bangkok is sweltering, soaked, muggy air; Siem Reap is sweltering, soaked, clean air.
What is the weather like in Bangkok vs Siem Reap in September?: In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Siem Reap averages 31°C high / 25°C low with about 254 mm.