What is the weather like in Ko Pha Ngan vs Ko Samui in September?

In September, Ko Pha Ngan averages 30°C high / 26°C low with about 180 mm of rain; Ko Samui averages 32°C high / 25°C low with about 141 mm.

Ko Pha Ngan vs Ko Samui in September

Ko Pha Ngan and Ko Samui are nearly tied in September — 70 vs 73 on SeasonMap's comfort score. Ko Pha Ngan is sweltering, soaked, clean air; Ko Samui is sweltering, rainy, clean air.

Ko Pha Ngan vs Ko Samui — September climate, side by side

	Ko Pha Ngan	Ko Samui
Comfort score	70/100 (B)	73/100 (B)
Feels-like high	35°C	37°C
Avg high / low	30° / 26°	32° / 25°
Rainfall	180 mm	141 mm
Rainy days	22	22
Humidity	81%	79%
Air quality (AQI)	27	27

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

Ko Pha Ngan vs Ko Samui in September — FAQ

Is September better in Ko Pha Ngan or Ko Samui?: Ko Pha Ngan and Ko Samui are nearly tied in September — 70 vs 73 on SeasonMap's comfort score. Ko Pha Ngan is sweltering, soaked, clean air; Ko Samui is sweltering, rainy, clean air.
What is the weather like in Ko Pha Ngan vs Ko Samui in September?: In September, Ko Pha Ngan averages 30°C high / 26°C low with about 180 mm of rain; Ko Samui averages 32°C high / 25°C low with about 141 mm.