What is the weather like in Chiang Mai vs Phuket in September?

In September, Chiang Mai averages 33°C high / 24°C low with about 232 mm of rain; Phuket averages 32°C high / 25°C low with about 340 mm.

Chiang Mai vs Phuket in September

Phuket is the better pick in September — 56 vs 49 on SeasonMap's comfort score. Phuket is sweltering, soaked, clean air, while Chiang Mai is sweltering, soaked, muggy air.

Chiang Mai vs Phuket — September climate, side by side

	Chiang Mai	Phuket
Comfort score	49/100 (F)	56/100 (D)
Feels-like high	39°C	37°C
Avg high / low	33° / 24°	32° / 25°
Rainfall	232 mm	340 mm
Rainy days	23	25
Humidity	86%	82%
Air quality (AQI)	53	36

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

Chiang Mai vs Phuket in September — FAQ

Is September better in Chiang Mai or Phuket?: Phuket is the better pick in September — 56 vs 49 on SeasonMap's comfort score. Phuket is sweltering, soaked, clean air, while Chiang Mai is sweltering, soaked, muggy air.
What is the weather like in Chiang Mai vs Phuket in September?: In September, Chiang Mai averages 33°C high / 24°C low with about 232 mm of rain; Phuket averages 32°C high / 25°C low with about 340 mm.