What is the weather like in Bangkok vs Ko Lanta in September?

In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Ko Lanta averages 30°C high / 24°C low with about 314 mm.

Bangkok vs Ko Lanta in September

Ko Lanta is the better pick in September — 60 vs 46 on SeasonMap's comfort score. Ko Lanta is sweltering, soaked, clean air, while Bangkok is sweltering, soaked, muggy air.

Bangkok vs Ko Lanta — September climate, side by side

	Bangkok	Ko Lanta
Comfort score	46/100 (F)	60/100 (C)
Feels-like high	39°C	35°C
Avg high / low	33° / 26°	30° / 24°
Rainfall	254 mm	314 mm
Rainy days	26	26
Humidity	82%	84%
Air quality (AQI)	60	30

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

Bangkok vs Ko Lanta in September — FAQ

Is September better in Bangkok or Ko Lanta?: Ko Lanta is the better pick in September — 60 vs 46 on SeasonMap's comfort score. Ko Lanta is sweltering, soaked, clean air, while Bangkok is sweltering, soaked, muggy air.
What is the weather like in Bangkok vs Ko Lanta in September?: In September, Bangkok averages 33°C high / 26°C low with about 254 mm of rain; Ko Lanta averages 30°C high / 24°C low with about 314 mm.