ClimateForecastSeptemberOctober >>

Chiang Mai weather in September (Chiang Mai Province, Thailand)

What kind of temperatures can you expect in Chiang Mai during September? Here's what you need to know about the weather for the month.

Temperatures

The typical weather for September in Chiang Mai includes very high temperatures and heavy rainfall. In the daytime, temperatures tend to hover near 33°C, cooling down at night to around 24°C. With these average temperatures, expect occasional spikes in warmth. Wear light fabrics and stay cool by hydrating regularly.

Precipitation

Chiang Mai in September falls under the rainy season with heavy rainfall, averaging around 249 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 18 days of the month will see rainfall.

Average sunshine

With about 148 hours of sunshine, the area enjoys a nice balance of sun and clouds, creating a pleasant environment.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Chiang Mai. January, November and December generally stand out with the best circumstances. While April, May, July, August and September tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Chiang Mai climate page with graphs.

 

Chiang Mai, monthly averages in September

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 33°C  
Chance of RainChance of Rain 60%  
PrecipitationPrecipitation 249 mm  
Rainy daysRainy days 18 days  
HumidityHumidity 81%  
WindspeedWindspeed 4 km/h  
SunshineSunshine 148 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Thailand in September

Find out more about the weather in Thailand and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Chiang Mai.

Our site offers climate and forecast data for every country 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 recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.