Weather in September 2025

Chiang Mai weather in September 2025

The weather in Chiang Mai in September is hot. The average temperatures are between 22°C and 32°C.

You can expect about 3 to 8 days of rain in Chiang Mai during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Chiang Mai in September 2025.

If you’re planning to visit Chiang Mai in the near future, we highly recommend that you review the 14 day weather forecast for Chiang Mai before you arrive.

Temperatures
Temperatures
32° / 22°
Rainy Days
Rainy Days
7
Snowy Days
Snowy Days
0
Dry Days
Dry Days
23
Rainfall
Rainfall
131
mm
10.9
Sun Hours
10.9
Hrs

Chiang Mai annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 30° / 15° 1 31 0 10 mm
Good
February 34° / 17° 0 28 0 3 mm
Ok
March 37° / 21° 0 31 0 14 mm
Ok
April 39° / 24° 1 29 0 32 mm
Bad
May 37° / 24° 4 27 0 117 mm
Ok
June 33° / 23° 6 24 0 122 mm
Good
July 31° / 22° 10 21 0 184 mm
Ok
August 31° / 22° 8 23 0 190 mm
Ok
September 32° / 22° 7 23 0 131 mm
Ok
October 31° / 20° 3 28 0 58 mm
Good
November 31° / 18° 1 29 0 24 mm
Good
December 29° / 15° 0 31 0 11 mm
Good
Temperatures in Chiang Mai in September
Rain in Chiang Mai in September

Recommended Hotels in Chiang Mai

We know that finding the ideal hotel in Chiang Mai can be a hard task...

That’s why we run our special tools and found the best hotels in Chiang Mai. Click on hotel for more details.

Weather in Chiang Mai in September - FAQ

What is the average temperature in Chiang Mai in September?
The average temperature in Chiang Mai in September is 22/32° C.
What is the chance of rain in Chiang Mai in September?
On average, there are 7 rainy days in Chiang Mai during September.
Weather wise, is September a good time to visit Chiang Mai?
The weather in Chiang Mai in September is ok.
Can it snow in Chiang Mai in September?
On average, there are 0 snowy days in Chiang Mai in September.
More about the weather in Chiang Mai