North Thailand weather in September 2025
North Thailand weather in September 2025
Day
31 °C
Night
22 °C
Precipitation
202 mm
in month
Rainy days
20 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
82 %
Day
31 °C
Night
22 °C
Precipitation
202 mm
in month
Rainy days
20 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
82 %
Overview: North Thailand
Travel information
Flights
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in Chiang Mai
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Weather overview and FAQs
Weather overview
In North Thailand in September, the average air temperature ranges from 31 °C (88 °F) during the day to 22 °C (72 °F) at night. There are 20 days of rain on average, where the rainfall is 202 mm (7.97 in).
Are there good conditions to visit in September in North Thailand?
North Thailand can be visited in September - the weather will be moderate. September is the wet season month in North Thailand, which means that there may be more frequent rains during your stay.
What is the temperature in North Thailand during the day in September?
The average daily temperature in North Thailand in September is 31 °C (88 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
How many days of precipitation on average can I expect in North Thailand in September?
In North Thailand in September, we can expect 20 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 4.7 days of the week, or in general - 67 % days.
What is the rainfall intensity in September in North Thailand?
In North Thailand in September, there is 202 mm (7.97 in) rainfall, which means on average 7 mm (0.26 in) rainfall per day.
Is there a wet season in North Thailand in September?
Yes, in North Thailand in September there is a wet season with 20 days, when there is rain in a month.
What is the air temperature in September in North Thailand at night?
The average night temperature in North Thailand in September is 22 °C (72 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
How many hours of sun to expect in North Thailand in September?
There is an average length of sunshine of 5 hours per day in September in North Thailand.
Is there a dry season in North Thailand in September?
No, September is not a dry month in North Thailand, expect rain approximately 20 days in a month.
How long is the day (from dawn till dusk) in North Thailand in September?
The length of daylight in North Thailand in September is 12 hours.
Is it hot in North Thailand in September?
In North Thailand in September, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the humidity in September in North Thailand?
In North Thailand in September, expect humidity around 82 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is North Thailand rainier in September than in October?
Yes, North Thailand is a rainier September than in October.