What is the weather like in Ko Chang vs Pattaya in September?

In September, Ko Chang averages 30°C high / 27°C low with about 523 mm of rain; Pattaya averages 32°C high / 26°C low with about 246 mm.

Ko Chang vs Pattaya in September

Pattaya is the better pick in September — 64 vs 49 on SeasonMap's comfort score. Pattaya is sweltering, soaked, clean air, while Ko Chang is sweltering, soaked, clean air.

Ko Chang vs Pattaya — September climate, side by side

	🇹🇭 Ko Chang	🇹🇭 Pattaya
Comfort score	49/100 (F)	64/100 (C)
Feels-like high	37°C	38°C
Avg high / low	30° / 27°	32° / 26°
Rainfall	523 mm	246 mm
Rainy days	30	26
Humidity	87%	84%
Air quality (AQI)	34	33

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

Month by month

Ko Chang vs Pattaya in September — FAQ

Is September better in Ko Chang or Pattaya?: Pattaya is the better pick in September — 64 vs 49 on SeasonMap's comfort score. Pattaya is sweltering, soaked, clean air, while Ko Chang is sweltering, soaked, clean air.
What is the weather like in Ko Chang vs Pattaya in September?: In September, Ko Chang averages 30°C high / 27°C low with about 523 mm of rain; Pattaya averages 32°C high / 26°C low with about 246 mm.