What is the weather like in Khao Sok vs Ko Samui in September?

In September, Khao Sok averages 29°C high / 24°C low with about 349 mm of rain; Ko Samui averages 32°C high / 25°C low with about 141 mm.

Khao Sok vs Ko Samui in September

Ko Samui is the better pick in September — 73 vs 50 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Khao Sok is sweltering, soaked, clean air.

Khao Sok vs Ko Samui — September climate, side by side

	Khao Sok	Ko Samui
Comfort score	50/100 (D)	73/100 (B)
Feels-like high	35°C	37°C
Avg high / low	29° / 24°	32° / 25°
Rainfall	349 mm	141 mm
Rainy days	27	22
Humidity	91%	79%
Air quality (AQI)	24	27

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

Khao Sok vs Ko Samui in September — FAQ

Is September better in Khao Sok or Ko Samui?: Ko Samui is the better pick in September — 73 vs 50 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Khao Sok is sweltering, soaked, clean air.
What is the weather like in Khao Sok vs Ko Samui in September?: In September, Khao Sok averages 29°C high / 24°C low with about 349 mm of rain; Ko Samui averages 32°C high / 25°C low with about 141 mm.