Weather in September 2024

Koh Samui weather in September 2024

The temperatures in Koh Samui during September are extremely high, between 27°C and hot as 29°C, drinking water regularly is advisable.

You can expect rain for roughly half of the month of September in Koh Samui. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.

Our weather forecast can give you a great sense of what weather to expect in Koh Samui in September 2024.

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

Temperatures
Temperatures
29° / 27°
Rainy Days
Rainy Days
10
Snowy Days
Snowy Days
0
Dry Days
Dry Days
20
Rainfall
Rainfall
188
mm
10.9
Sun Hours
10.9
Hrs

Koh Samui annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 27° / 26° 8 23 0 326 mm
Good
February 28° / 26° 3 25 0 87 mm
Perfect
March 28° / 27° 5 26 0 178 mm
Perfect
April 29° / 28° 7 23 0 171 mm
Ok
May 30° / 28° 7 24 0 155 mm
Ok
June 30° / 28° 9 21 0 184 mm
Ok
July 29° / 27° 8 23 0 163 mm
Ok
August 29° / 27° 8 23 0 150 mm
Ok
September 29° / 27° 10 20 0 188 mm
Ok
October 29° / 27° 14 17 0 368 mm
Ok
November 29° / 27° 17 13 0 565 mm
Ok
December 28° / 27° 11 20 0 368 mm
Good
Temperatures in Koh Samui in September
Rain in Koh Samui in September

Weather in Koh Samui in September - FAQ

What is the average temperature in Koh Samui in September?
The average temperature in Koh Samui in September is 27/29° C.
What is the chance of rain in Koh Samui in September?
On average, there are 10 rainy days in Koh Samui during September.
Weather wise, is September a good time to visit Koh Samui?
The weather in Koh Samui in September is ok.
Can it snow in Koh Samui in September?
On average, there are 0 snowy days in Koh Samui in September.
More about the weather in Koh Samui