South Thailand weather in September 2025
South Thailand weather in September 2025
Day
31 °C
Night
24 °C
Sea
29 °C
Precipitation
375 mm
in month
Rainy days
23 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
84 %
Day
31 °C
Night
24 °C
Sea
29 °C
Precipitation
375 mm
in month
Rainy days
23 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
84 %
Overview: South ThailandSouth Thailand and its gems Phuket or Koh Phi Phi with tunning beaches, vibrant nightlife, and delicious cuisine, that's what a perfect holiday means. The region's cuisine is famous for its spicy curries, fresh seafood, and delicious street food. The turquoise waters and vibrant coral reefs this region a paradise for beach lovers and snorkelers.
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Weather overview and FAQs
Weather overview
In South Thailand in September, the average air temperature ranges from 31 °C (87 °F) during the day to 24 °C (75 °F) at night. There are 23 days of rain on average, where the rainfall is 375 mm (14.78 in).
Are there good conditions to visit in September in South Thailand?
South Thailand can be visited in September - the weather will be moderate. September is the wet season month in South Thailand, which means that there may be more frequent rains during your stay.
What is the sea temperature in September in South Thailand?
The temperature of the sea in South Thailand in September is 29 °C (84 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.
What temperature can I expect during the day in South Thailand in September?
In September in South Thailand, the average daily temperatures will be 31 °C (87 °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 rainy days can I expect in September in South Thailand?
There are 23 days, which are rainy in South Thailand in September, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 5.3 days of the week, or in general - 76 % days.
What is the night temperature in September in South Thailand?
The average night temperature in South Thailand in September is 24 °C (75 °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.
What is the rainfall intensity in South Thailand in September?
In South Thailand in September, there is 375 mm (14.78 in) rainfall, which means on average 13 mm (0.49 in) rainfall per day.
How many hours of sun to expect in South Thailand in September?
There is an average length of sunshine of 5 hours per day in September in South Thailand.
How long is the day (from dawn till dusk) in South Thailand in September?
The length of daylight in South Thailand in September is 12 hours.
Is September part of the wet season in South Thailand?
Yes, in South Thailand in September there is a wet season with 23 days, when there is rain in a month.
How windy is it in South Thailand in September?
An average wind scale that can be expected in South Thailand in September is 2. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
Is it hot in September in South Thailand?
In South Thailand in September, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is the weather in South Thailand warmer in September than in October?
No, in South Thailand in September the temperature is not higher than in October.
Is South Thailand rainier in September than in August?
Yes, in South Thailand in September it rains more than in August.
What level of humidity is to expect in South Thailand in September?
In September in South Thailand, expect humidity around 84 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.