September weather forecast
Kota Kinabalu, Malaysia

September’s weather in Kota Kinabalu leads to an increase in rainfall, registering an average record of 285mm (11.22"). While temperatures largely remain steady, the transition from August results in minor variants. Maximum UV index readings persist, emphasizing the importance of sun protection and hydration. Constant rainfall doesn't stop the city from experiencing significant sunshine and daylight hours, highly characteristic of this tropical region. Even though rainfall slightly elevates, September remains a month with extended daylight for explorations.

Temperature

With the arrival of September, Kota Kinabalu's average high-temperature registers at a still tropical 31.4°C (88.5°F), indicating a subtle variation from the previous month. September sees the temperature falling to a mean low of 23.7°C (74.7°F).

Rainfall

In Kota Kinabalu, in September, it is raining for 14 days, with typically 285mm (11.22") of accumulated precipitation. In Kota Kinabalu, during the entire year, the rain falls for 140 days and collects up to 2547mm (100.28") of precipitation.

Sea temperature

In Kota Kinabalu, the average seawater temperature in September is 29.3°C (84.7°F).
Note: Surface water temperatures falling between 25°C (77°F) and 29°C (84.2°F) are regarded as prime and extremely agreeable for enduring periods during any water activity.

Daylight

In Kota Kinabalu, the average length of the day in September is 12h and 9min.
On the first day of the month, sunrise is at 6:08 am and sunset at 6:22 pm. On the last day of September, sunrise is at 6:03 am and sunset at 6:07 pm +08.

Sunshine

With an average of 6h of sunshine, September has the least sunshine of the year in Kota Kinabalu.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 12. January through December, with an average maximum UV index of 12, are months with the lowest UV index in Kota Kinabalu, Malaysia. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 12 in September translates into the following recommendations:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Use liberally and reapply a broad-spectrum sunscreen with at least SPF 30 every two hours and right after outdoor activities or a swim. Be alert! The reflection of water and sand augments UV radiation intensity.