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

Temperature

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

Rainfall

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

Sea temperature

In September, the average sea 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 in September is 12.2h.

Sunshine

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

UV index

Months with the highest UV index are January through November, with an average UV index of 12.

What are the coldest months in George Town?

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

What is the temperature in September in George Town?

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, 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.

What is the average length of the day in September in George Town?

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

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

With an average of 5h of sunshine, September has the least sunshine of the year in George Town, Malaysia.

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

In George Town, the average sunshine in September is 5h.

When is the highest UV index in George Town?

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

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

In September, the average UV index in George Town, Malaysia, is 12.
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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