ClimaGo › Chiang Mai › Weather in September
Thailand
September brings warm, humid weather with frequent afternoon downpours making hiking and outdoor exploration challenging, so pack waterproof gear and plan indoor activities like temple visits and cooking classes.
Avg High
32°C
Avg Low
23°C
Daily Rain
7mm
Rainfall
High
💡 Best months to visit Chiang Mai: Nov, Dec, Jan
This northern Thai city captivates with ancient temples, ethical elephant sanctuaries, night markets, cooking classes and serene mountain culture.