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.