September Rainfall and Precipitation in Chiang Mai Province
Chiang Mai Province Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chiang Mai Province - and find the best time to visit. 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.
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.
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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