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Ban San Sai (2) weather in September (Chiang Mai Province, Thailand)

What can you expect from the weather in Ban San Sai (2) during September? This guide provides all the details you need.

In September, Ban San Sai (2) generally has very high temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 33°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 24°C. Keep in mind, these temperatures are averages, and some days might be even warmer. Dress suitably to manage the heat.

Ban San Sai (2) in September falls under the rainy season with heavy rainfall, averaging around 252 mm for the month. Based on our climate data of the past 30 years, about 18 days of rain are anticipated.

The area enjoys a balanced 148 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Ban San Sai (2). January, November and December typically offer the most optimal weather. In contrast, April, May, July, August and September tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Ban San Sai (2) climate page with graphs.

 

Ban San Sai (2), monthly averages in September

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 33°C  
Chance of RainChance of Rain 59%  
PrecipitationPrecipitation 252 mm  
Rainy daysRainy days 18 days  
HumidityHumidity 81% *  
WindspeedWindspeed 4 km/h *  
SunshineSunshine 148 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Chiang Mai, Thailand (5 KM, 3 Miles).

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.

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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 Ban San Sai (2) in September?

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 in September.

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

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Ban San Sai (2).

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 climate conditions. Find out where to go with our weather planner.