What is the weather like in Bangkok vs Phnom Penh in September?

In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Phnom Penh averages 33°C high / 25°C low with about 256 mm.

Bangkok vs Phnom Penh in September

Bangkok and Phnom Penh are nearly tied in September — 46 vs 47 on SeasonMap's comfort score. Bangkok is sweltering, soaked, muggy air; Phnom Penh is sweltering, soaked, clean air.

Bangkok vs Phnom Penh — September climate, side by side

	Bangkok	Phnom Penh
Comfort score	46/100 (F)	47/100 (F)
Feels-like high	39°C	39°C
Avg high / low	33° / 26°	33° / 25°
Rainfall	254 mm	256 mm
Rainy days	26	27
Humidity	82%	84%
Air quality (AQI)	60	41

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

Bangkok vs Phnom Penh in September — FAQ

Is September better in Bangkok or Phnom Penh?: Bangkok and Phnom Penh are nearly tied in September — 46 vs 47 on SeasonMap's comfort score. Bangkok is sweltering, soaked, muggy air; Phnom Penh is sweltering, soaked, clean air.
What is the weather like in Bangkok vs Phnom Penh in September?: In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Phnom Penh averages 33°C high / 25°C low with about 256 mm.