September weather forecast
Langkawi, Malaysia

September is discernible for the notable climb in precipitation, at a high of 339mm (13.35") for the year, signaling the peak of the monsoon season. Despite the escalation in rainfall, the city's weather holds steady, experiencing minimal fluctuation in temperatures. The UV Index remains higher than most might anticipate, hence sun protection stays paramount. Seaside activities continue to boom thanks to relatively warm waters. The weather may seem challenging, but with proper planning, Langkawi delivers an enjoyable stay filled with unexpected adventures.

Temperature

In Langkawi, Malaysia, the coldest months are July through October, registering an average high-temperature of 31°C (87.8°F).

Rainfall

In September, in Langkawi, the rain falls for 22 days. Throughout September, 339mm (13.35") of precipitation is accumulated. In Langkawi, during the entire year, the rain falls for 171 days and collects up to 2305mm (90.75") of precipitation.

Sea temperature

In Langkawi, in September, the average water temperature is 29°C (84.2°F).
Note: Between the temperatures of 25°C (77°F) and 29°C (84.2°F), water is considered very warm, providing pleasure in water activities without discomfort over lengthy periods.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of September in Langkawi, sunrise is at 7:13 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 7:12 pm +08.

Sunshine

June through November, with an average of 6h of sunshine, are months with the least sunshine in Langkawi.

UV index

January through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an excessive health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 12 translates into the following recommendations:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.