September weather forecast
Redang Island, Malaysia

September’s weather in Redang Island sees a significant increase in precipitation, recording a 235mm 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

As September commences, the average high-temperature remains steady at a still hot 31°C, consistent with the climate of the preceding month. Nighttime temperature in Redang Island dips to a mean of 23°C during September.

Rainfall

In Redang Island, during September, the rain falls for 18 days and regularly aggregates up to 235mm of precipitation. In Redang Island, Malaysia, during the entire year, the rain falls for 181 days and collects up to 3099mm of precipitation.

Sea temperature

In September, the average sea temperature in Redang Island is 29°C.
Note: For swimming, diving, or other water activities, the temperature range of 25°C to 29°C is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

The average length of the day in September is 12h and 9min.
On the first day of the month, sunrise is at 7:01 am and sunset at 7:15 pm. On the last day of September, in Redang Island, Malaysia, sunrise is at 6:55 am and sunset at 7:00 pm +08.

Sunshine

In Redang Island, the average sunshine in September is 6h.

UV index

January through May, July through November, 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 extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 12 suggests this advice:
Execute all vital precautions. Preventing sun damage is of utmost importance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.