Ko Samui vs Pai in September

Ko Samui is the better pick in September — 73 vs 56 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Pai is sweltering, soaked, clean air.

Ko Samui vs PaiSeptember climate, side by side

Ko SamuiPai
Comfort score73/100 (B)56/100 (D)
Feels-like high37°C35°C
Avg high / low32° / 25°29° / 22°
Rainfall141 mm247 mm
Rainy days2226
Humidity79%89%
Air quality (AQI)2722

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

Ko Samui vs Pai in September — FAQ

Is September better in Ko Samui or Pai?
Ko Samui is the better pick in September — 73 vs 56 on SeasonMap's comfort score. Ko Samui is sweltering, rainy, clean air, while Pai is sweltering, soaked, clean air.
What is the weather like in Ko Samui vs Pai in September?
In September, Ko Samui averages 32°C high / 25°C low with about 141 mm of rain; Pai averages 29°C high / 22°C low with about 247 mm.