September weather forecast and climate
George Town, Malaysia

A clear view of George Town from atop a beautiful gazebo on Penang Hill, during spring
A clear view of George Town from atop a beautiful gazebo on Penang Hill, during spring
September, the first month of the autumn, in George Town, is still a hot month, with temperature in the range of an average high of 30°C (86°F) and an average low of 23°C (73.4°F).

Temperature

The coldest months are September and October, with an average high-temperature of 30°C (86°F).

Rainfall

In George Town, during 23 rainfall days, 350mm (13.8") of precipitation is typically accumulated. Throughout the year, there are 196 rainfall days, and 2460mm (96.9") of precipitation is accumulated.

Sea temperature

In George Town, the average seawater temperature is 29.5°C (85.1°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 George Town, the average length of the day is 12.2h.

Sunshine

The month with the least sunshine is September, with an average of 5h of sunshine.

UV index

January through November, with an average maximum UV index of 12, are months with the highest UV index in George Town, Malaysia. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from the exposure to the Sun's UV radiation for the average person.
The average daily UV index of 12 transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in minutes. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What are the coldest months in George Town?

September and October, with an average high-temperature of 30°C (86°F), are the coldest months.

What is the temperature in September in George Town?

In George Town, Malaysia, in September, the average high-temperature is 30°C (86°F), and the average low-temperature is 23°C (73.4°F).

How many days does it rain in September in George Town?

In George Town, Malaysia, during September, the rain falls for 23 days and regularly aggregates up to 350mm (13.8") of precipitation.

How warm is the water in September in George Town?

In George Town, Malaysia, in September, the average water temperature is 29.5°C (85.1°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does George Town have in September?

The average length of the day in September in George Town is 12.2h.

What is the month with the least sunshine in George Town?

The month with the least sunshine is September, with an average of 5h of sunshine.

How long on average sun shines in September in George Town?

The average sunshine in September in George Town is 5h.

What are the months with the highest UV index in George Town?

January through November, with an average maximum UV index of 12, are months with the highest UV index in George Town, Malaysia.

How high is the UV index in September in George Town?

In George Town, Malaysia, the average daily maximum UV index in September is 12. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in September - George Town, Malaysia
  • Average high temperature in September: 30°C

Warmest months (with the highest average high temperature) are January, February, March and April (32°C).
Months with the lowest average high temperature are September and October (30°C).

  • Average low temperature in September: 23°C

Months with the highest average low temperature are January, February, March, April, May, June, July, August, October, November and December (24°C).
The coldest month (with the lowest average low temperature) is September (23°C).

Average rainfall in September - George Town, Malaysia
  • Average rainfall in September: 350mm

The wettest month (with the highest rainfall) is October (390mm).
The driest month (with the lowest rainfall) is January (70mm).

Average rainfall days in September - George Town, Malaysia
  • Average rainfall days in September: 23 days

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

Average sea temperature in September - George Town, Malaysia
  • Average sea temperature in September: 29.5°C

The best month for swimming (with the highest average sea temperature) is May (30.5°C).
The coldest month (with the lowest average sea temperature) is January (28.7°C).

Average daylight in September / Average sunshine in September - George Town, Malaysia
  • Average daylight in September: 12.2h

Months with the longest days are May, June and July (Average daylight: 12.4h).
Months with shortest days are January and December (Average daylight: 11.8h).

  • Average sunshine in September: 5h

Months with most sunshine are January, February and March (Average sunshine: 8h).
The month with least sunshine is September (Average sunshine: 5h).

Average UV index in September - George Town, Malaysia
  • Average UV index in September: 12

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

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