September Rainfall and Precipitation in Chiang Mai Province

Average rainfall, rainy days and the driest cities in Chiang Mai Province, Thailand in September.

Chiang Mai Province, Thailand, a region in Thailand, experiences heavy precipitation in September, ranging from 214 mm (8.4 in) of rainfall in Chom Thong to 308 mm (12 in) in Mae On.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Chiang Mai Province, check out our Chiang Mai Province's climate page.

See also: Chiang Mai Province weather by month.

Best Places to Visit in Chiang Mai Province in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Chiang Mai Province.

Conditions Temperatures Precipitation
Monthly precipitation 0 mm (0 in) dry → 150 mm (5.9 in) wet

Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.

See all September weather averages, cities and regions in Chiang Mai Province

Chiang Mai Province precipitation in September: frequently asked questions

How much rainfall does Chiang Mai Province, Thailand receive in September?

September in Chiang Mai Province, Thailand is a significant part of the rainy season. It might not be the best month for a trip. Chiang Mai often receives substantial rainfall, averaging approximately 249 mm (9.8 in). The frequent showers make the weather unpredictable, with conditions shifting rapidly.

How many days does it rain in Chiang Mai Province, Thailand in September?

Expect around 18 days rainy days in Chiang Mai during September.

Is September part of the rainy season in Chiang Mai Province, Thailand?

Yes. September falls within the rainy season in Chiang Mai Province, Thailand. Expect more frequent showers and pack accordingly.

What is the wettest city in September in Chiang Mai Province, Thailand?

Based on our records, Mae On receives the most rainfall in Chiang Mai Province, Thailand in September, averaging about 308 mm (12 in).

What is the driest city in September in Chiang Mai Province, Thailand?

Based on our database, Chom Thong sees the least rainfall in Chiang Mai Province, Thailand in September, with around 214 mm (8.4 in) on average.

Interested in more climate information?

We have much more information about the climate in Chiang Mai Province.

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