Ko Si Chang Weather in September

Ko Si Chang in September sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 27°C (81°F). Rainfall is at its peak this month, around 231 mm (9.1 in) on average, so waterproofs are essential.

Rainfall in Ko Si Chang in September

Prepare for intense rain this month, as it marks the peak rainfall period. Having a poncho will keep you dry through the downpours. On average, there are about 18 days with rain during this month, averaging 231 mm (9.1 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Ko Si Chang in September

If you're visiting Ko Si Chang in September, expect highs of 31°C (88°F) and overnight lows around 27°C (81°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. 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 Ko Si Chang in September

With about 110 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

September in Ko Si Chang can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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

Ko Si Chang Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 61%  

Precipitation 231 mm (9.1 in)  

Rainy days 18 days  

Humidity 81% *  

Sunshine 110 hours *  

Percentage Sunshine *  

* Data from: Pattaya, Thailand (27 KM, 16 Miles).

What to Wear in Ko Si Chang 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Ko Si Chang 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 Ko Si Chang's climate page.

More climate data for Ko Si Chang

Temperature Rainfall Sunshine Humidity

See the full Ko Si Chang climate overview or explore weather in Thailand.