September weather forecast
Redang Island, Malaysia

September’s weather in Redang Island sees a significant increase in precipitation, recording a 235mm (9.25") rainfall that marks the onset of wetter months. Despite this, the island retains its vibrant appeal amidst the rains, with the typically high sea temperatures ensuring ideal conditions for watersports. Maintaining a good balance between sunlit and rainy periods, the island continues to attract nature lovers and adventure seekers. Evening temperatures remain consistently warm, great for relaxed, outdoor evenings. Thus, September’s varying weather continues to uphold Redang Island's undeniable charm.

Temperature

With the onset of September in Redang Island, the average high-temperature of a still hot 31°C (87.8°F) mirrors that of August. Redang Island's average low-temperature in the month of September is recorded at a moderately hot 23°C (73.4°F).

Rainfall

In September, in Redang Island, the rain falls for 18 days. Throughout September, 235mm (9.25") of precipitation is accumulated. Throughout the year, there are 181 rainfall days, and 3099mm (122.01") of precipitation is accumulated.

Sea temperature

In Redang Island, Malaysia, the average seawater temperature in September is 29°C (84.2°F).
Note: For activities such as swimming and diving, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

In September, the average length of the day is 12h and 9min.
On the first day of September in Redang Island, Malaysia, sunrise is at 7:01 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 7:00 pm +08.

Sunshine

The average sunshine in September is 6h.

UV index

The months with the highest UV index in Redang Island are January through May, July through November, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 12 in September translates into this advice:
Utilize all vital precautions. Guarding against sun harm is non-negotiable. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.