Chaweng Noi Beach Weather in September

September in Chaweng Noi Beach sees daytime temperatures around 30°C (86°F) and lows of 27°C (81°F) at night. With around 159 mm (6.3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Chaweng Noi Beach in September

Based on our climate data of the past 30 years, about 18 days of rain are anticipated, with 159 mm (6.3 in) on average. 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 Chaweng Noi Beach in September

Chaweng Noi Beach in September gets highs of 30°C (86°F) during the day and drops to 27°C (81°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights remain warm at around 27°C (81°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.

Sunshine in Chaweng Noi Beach in September

The month brings about 145 hours of sunlight, offering a comfortable mix of sun and overcast.

Average water temperature in September

The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.

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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• January
• February
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For a detailed overview over the year and the best time to visit Thailand, check out our Chaweng Noi Beach's climate page.

Chaweng Noi 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 58%  

Precipitation 159 mm (6.3 in)  

Rainy days 18 days  

Humidity 79% *  

Sunshine 145 hours *  

Percentage Sunshine *  

* Data from: Koh Samui, Thailand (13 KM, 8 Miles).

What to Wear in Chaweng Noi Beach 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. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Chaweng Noi 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 Chaweng Noi Beach's climate page.

More climate data for Chaweng Noi Beach

Temperature Rainfall Sunshine Humidity Water Temp

See the full Chaweng Noi Beach climate overview or explore weather in Thailand.