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

In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Hanoi averages 32°C high / 26°C low with about 276 mm.

Bangkok vs Hanoi in September

Bangkok and Hanoi are nearly tied in September — 46 vs 44 on SeasonMap's comfort score. Bangkok is sweltering, soaked, muggy air; Hanoi is sweltering, soaked, poor air quality.

Bangkok vs Hanoi — September climate, side by side

	Bangkok	Hanoi
Comfort score	46/100 (F)	44/100 (F)
Feels-like high	39°C	38°C
Avg high / low	33° / 26°	32° / 26°
Rainfall	254 mm	276 mm
Rainy days	26	21
Humidity	82%	85%
Air quality (AQI)	60	104

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

Bangkok vs Hanoi in September — FAQ

Is September better in Bangkok or Hanoi?: Bangkok and Hanoi are nearly tied in September — 46 vs 44 on SeasonMap's comfort score. Bangkok is sweltering, soaked, muggy air; Hanoi is sweltering, soaked, poor air quality.
What is the weather like in Bangkok vs Hanoi in September?: In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Hanoi averages 32°C high / 26°C low with about 276 mm.