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

In September, Ayutthaya averages 33°C high / 25°C low with about 279 mm of rain; Chiang Mai averages 33°C high / 24°C low with about 232 mm.

Ayutthaya vs Chiang Mai in September

Chiang Mai is the better pick in September — 49 vs 44 on SeasonMap's comfort score. Chiang Mai is sweltering, soaked, muggy air, while Ayutthaya is sweltering, soaked, muggy air.

Ayutthaya vs Chiang Mai — September climate, side by side

	🇹🇭 Ayutthaya	🇹🇭 Chiang Mai
Comfort score	44/100 (F)	49/100 (F)
Feels-like high	38°C	39°C
Avg high / low	33° / 25°	33° / 24°
Rainfall	279 mm	232 mm
Rainy days	26	23
Humidity	83%	86%
Air quality (AQI)	62	53

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

Month by month

Ayutthaya vs Chiang Mai in September — FAQ

Is September better in Ayutthaya or Chiang Mai?: Chiang Mai is the better pick in September — 49 vs 44 on SeasonMap's comfort score. Chiang Mai is sweltering, soaked, muggy air, while Ayutthaya is sweltering, soaked, muggy air.
What is the weather like in Ayutthaya vs Chiang Mai in September?: In September, Ayutthaya averages 33°C high / 25°C low with about 279 mm of rain; Chiang Mai averages 33°C high / 24°C low with about 232 mm.