Ban Lamai Weather in September

Ban Lamai in September averages 30°C (86°F) during the day and 27°C (81°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Ban Lamai in September

Past climate data indicates that roughly 18 days will see rain, totalling around 152 mm (6 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Ban Lamai in September

Daytime temperatures in Ban Lamai reach 30°C (86°F) in September, dropping to 27°C (81°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

Sunshine in Ban Lamai in September

The month experiences a moderate amount of sunlight, with 145 hours of sunshine. This provides a nice balance between sunshine and clouds.

Average water temperature in September

The water is 29°C (84°F) — very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.

Should you favor a climate that's both dry and comfortably warm, January and February typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Thailand, check out our Ban Lamai's climate page.

Ban Lamai Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 58%  

Precipitation 152 mm (6 in)  

Rainy days 18 days  

Humidity 79% *  

Sunshine 145 hours *  

Percentage Sunshine *  

* Data from: Koh Samui, Thailand (14 KM, 9 Miles).

What to Wear in Ban Lamai in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Ban Lamai in September

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Thailand, check out our Ban Lamai's climate page.

More climate data for Ban Lamai

Temperature Rainfall Sunshine Humidity Water Temp

See the full Ban Lamai climate overview or explore weather in Thailand.