Average weather in September in Chiang Rai (Chiang Rai Province), Thailand
The average minimum temperature (usually the minimum temperature is noted during the night) in Chiang Rai in September is 22.9°C (73.22°F).
September falls in the rainy season with an average precipitation of 285mm (11.2in).
It rains on average a total of 17 days.
The average maximum daytime temperature lies around 31.2°C (88.16°F).
The sun will occasionally show itself with 145 hours of sunshine during the whole month.
So what to wear in September?
Visitors traveling to Chiang Rai should plan on bringing a totally waterproof rain jacket since it will often be raining.
Also bring your shorts or a skirt because it can be very warm or even hot.
No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.
For other monthly average weather and what to do in September look at the numbers below.
Monthly Averages in September
Show in Fahrenheit
Where to stay in Chiang Rai
Where to go in Thailand in September
Find out more about the weather in Thailand in September and which places have the best weather conditions in this month.





What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Weather Forecasts for Chiang Rai (Chiang Rai Province)
Heavy rain
Heavy rain
Moderate rain
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Chiang Rai.
Our site offers climate and forecast data for almost all countries in the world. Are you going to Thailand? On this website you can find historical weather averages for many cities in Thailand. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.