What is the weather like in Chiang Mai vs Nong Khiaw in September?

In September, Chiang Mai averages 33°C high / 24°C low with about 232 mm of rain; Nong Khiaw averages 30°C high / 23°C low with about 204 mm.

Chiang Mai vs Nong Khiaw in September

Nong Khiaw is the better pick in September — 59 vs 49 on SeasonMap's comfort score. Nong Khiaw is sweltering, soaked, clean air, while Chiang Mai is sweltering, soaked, muggy air.

Chiang Mai vs Nong Khiaw — September climate, side by side

	🇹🇭 Chiang Mai	🇱🇦 Nong Khiaw
Comfort score	49/100 (F)	59/100 (D)
Feels-like high	39°C	36°C
Avg high / low	33° / 24°	30° / 23°
Rainfall	232 mm	204 mm
Rainy days	23	20
Humidity	86%	89%
Air quality (AQI)	53	30

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

Month by month

Chiang Mai vs Nong Khiaw in September — FAQ

Is September better in Chiang Mai or Nong Khiaw?: Nong Khiaw is the better pick in September — 59 vs 49 on SeasonMap's comfort score. Nong Khiaw is sweltering, soaked, clean air, while Chiang Mai is sweltering, soaked, muggy air.
What is the weather like in Chiang Mai vs Nong Khiaw in September?: In September, Chiang Mai averages 33°C high / 24°C low with about 232 mm of rain; Nong Khiaw averages 30°C high / 23°C low with about 204 mm.