Laem Set Beach Weather in September

Laem Set Beach in September sees high daytime temperatures of 30°C (86°F) and nighttime lows of 27°C (81°F). Rainfall is fairly high this month at around 143 mm (5.6 in), so pack a rain jacket to stay dry.

Rainfall in Laem Set Beach in September

Looking at the last 30 years, the data shows about 18 days with rain, averaging 143 mm (5.6 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Laem Set Beach in September

In September, expect high temperatures in Laem Set Beach, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.

Sunshine in Laem Set Beach in September

You can expect a moderate amount of sunlight, with approximately 145 hours. This means a pleasant mix of sun and overcast.

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.

If you prefer dry days with pleasant temperatures, January and February typically offer the best 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 Laem Set Beach's climate page.

Laem Set Beach Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 59%  

Precipitation 143 mm (5.6 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 Laem Set Beach in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Laem Set Beach 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 Laem Set Beach's climate page.

More climate data for Laem Set Beach

Temperature Rainfall Sunshine Humidity Water Temp

See the full Laem Set Beach climate overview or explore weather in Thailand.