Average Weather during September in Choeng Mon Beach (Koh Samui), Thailand

The average minimum temperature (usually the minimum temperature is noted during the night) in Choeng Mon Beach in September is 25.0°C (77°F). The amount of rain in September is high with an average of 124mm (4.9in). The average maximum daytime temperature lies around 31.8°C (89.24°F). The sun will occasionally show itself with 145 hours of sunshine during the whole month.


So what to wear in September? Visitors traveling to Choeng Mon Beach should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages

Show in Celsius

Min Temperature 77 °F
Max Temperature 89 °F
Chance of Rain 53%
Precipitation 5 in
Rainy Days 16
Sunshine Hours 145

Where to stay in Choeng Mon Beach

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Choeng Mon Beach.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Thailand? On this website you can find historical weather averages for many cities in Thailand. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.