Redang Island
Malaysia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Redang Island, Malaysia

A view of the rocky white sandy shores of the Marine Park in Redang Island, Malaysia, and small ships ashore
A view of the rocky white sandy shores of the Marine Park in Redang Island, Malaysia, and small ships ashore
September, the first month of the autumn, in Redang Island, is still a hot month, with average temperature varying between 23°C (73.4°F) and 31°C (87.8°F).

Temperature

In Redang Island, Malaysia, the average high-temperature in September remains the same as in August - a still tropical 31°C (87.8°F). In Redang Island, in September, the average low-temperature is 23°C (73.4°F).

Rainfall

In Redang Island, during September, the rain falls for 18 days and regularly aggregates up to 235mm (9.3") of precipitation. In Redang Island, during the entire year, the rain falls for 181 days and collects up to 3099mm (122") of precipitation.

Sea temperature

In Redang Island, in September, the average water temperature is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In September, the average length of the day is 12.2h.

Sunshine

In September, the average sunshine is 6h.

UV index

Months with the highest UV index are January through May, July through November, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme threat to health from unprotected exposure to the Sun's UV rays for average individuals.
The average daily UV index of 12 in September transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in September in Redang Island?

In Redang Island, in September, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 23°C (73.4°F).

How many days does it rain in September in Redang Island?

In September, in Redang Island, the rain falls for 18 days. Throughout September, 235mm (9.3") of precipitation is accumulated.

What is the sea water temperature in September in Redang Island?

In September, the average sea temperature in Redang Island is 29°C (84.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Redang Island?

In Redang Island, Malaysia, the average length of the day in September is 12.2h.

How many hours of sunshine does Redang Island have in September?

The average sunshine in September is 6h.

What are the months with the highest UV index in Redang Island?

January through May, July through November, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index intensity in September in Redang Island?

In Redang Island, Malaysia, the average daily maximum UV index in September is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Redang Island, Malaysia
  • Average high temperature in September: 31°C

Warmest months (with the highest average high temperature) are April, May and June (32°C).
Months with the lowest average high temperature are January and December (28°C).

  • Average low temperature in September: 23°C

The month with the highest average low temperature is May (24°C).
The coldest month (with the lowest average low temperature) is January (22°C).

Average rainfall in September - Redang Island, Malaysia
  • Average rainfall in September: 235mm

The wettest month (with the highest rainfall) is December (661mm).
The driest month (with the lowest rainfall) is April (93mm).

Average rainfall days in September - Redang Island, Malaysia
  • Average rainfall days in September: 18 days

The month with the highest number of rainy days is November (24 days).
Months with the lowest number of rainy days are February and March (9 days).

Average sea temperature in September - Redang Island, Malaysia
  • Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are May and June (30°C).
Coldest months (with the lowest average sea temperature) are January, February and December (27°C).

Average daylight in September / Average sunshine in September - Redang Island, Malaysia
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.5h).
Months with shortest days are January and December (Average daylight: 11.8h).

  • Average sunshine in September: 6h

Months with most sunshine are March and April (Average sunshine: 8h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in September - Redang Island, Malaysia
  • Average UV index in September: 12

Months with the highest UV index are January, February, March, April, May, July, August, September, October and November (UV index 12).
Months with the lowest UV index are June and December (UV index 11).