Johor Bahru
Malaysia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Johor Bahru, Malaysia

A view of the majestic grandeur of the Sultan Iskandar Mosque in Johor Bahru, Malaysia, with the surrounding parks and trees
A view of the majestic grandeur of the Sultan Iskandar Mosque in Johor Bahru, Malaysia, with the surrounding parks and trees
The first month of the autumn, September, is still a tropical month in Johor Bahru, Malaysia, with average temperature ranging between max 31.5°C (88.7°F) and min 22.4°C (72.3°F).

Temperature

In Johor Bahru, the average high-temperature remains equal as in August - a still hot 31.5°C (88.7°F). In Johor Bahru, the average low-temperature is 22.4°C (72.3°F).

Rainfall

In Johor Bahru, during September, the rain falls for 13 days and regularly aggregates up to 190.8mm (7.5") of precipitation. Throughout the year, in Johor Bahru, there are 162 rainfall days, and 2355.5mm (92.7") of precipitation is accumulated.

Sea temperature

In Johor Bahru, in September, the average water temperature is 29.4°C (84.9°F).
Note: 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.

Daylight

In September, the average length of the day is 12.1h.

Sunshine

In Johor Bahru, the average sunshine is 5h.

UV index

January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index in Johor Bahru. A UV Index reading of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 12 interpret into the following advice:
Take all required precautions, as unprotected skin and eyes 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. 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. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Johor Bahru?

In September, in Johor Bahru, the average high-temperature is 31.5°C (88.7°F), and the average low-temperature is 22.4°C (72.3°F).

How many days does it rain in September in Johor Bahru?

In Johor Bahru, Malaysia, during September, the rain falls for 13 days and regularly aggregates up to 190.8mm (7.5") of precipitation.

What is the sea water temperature in September in Johor Bahru?

In Johor Bahru, the average seawater temperature in September is 29.4°C (84.9°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 Johor Bahru?

In Johor Bahru, Malaysia, the average length of the day in September is 12.1h.

How many hours of sunshine does Johor Bahru have in September?

In Johor Bahru, the average sunshine in September is 5h.

What are the months with the highest UV index in Johor Bahru?

January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index in Johor Bahru.

What is the UV index intensity in September in Johor Bahru?

In September, the average daily maximum UV index is 12. A UV Index reading of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Johor Bahru, Malaysia
  • Average high temperature in September: 31.5°C

The warmest month (with the highest average high temperature) is April (32.8°C).
The month with the lowest average high temperature is December (30.6°C).

  • Average low temperature in September: 22.4°C

The month with the highest average low temperature is May (23.1°C).
The coldest month (with the lowest average low temperature) is January (21.9°C).

Average rainfall in September - Johor Bahru, Malaysia
  • Average rainfall in September: 190.8mm

The wettest month (with the highest rainfall) is December (244.5mm).
The driest month (with the lowest rainfall) is February (139.8mm).

Average rainfall days in September - Johor Bahru, Malaysia
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is November (17 days).
The month with the lowest number of rainy days is February (9 days).

Average sea temperature in September - Johor Bahru, Malaysia
  • Average sea temperature in September: 29.4°C

Best months for swimming (with the highest average sea temperature) are May and June (30.2°C).
The coldest month (with the lowest average sea temperature) is January (27.7°C).

Average daylight in September / Average sunshine in September - Johor Bahru, Malaysia
  • Average daylight in September: 12.1h

Months with the longest days are April, May, June, July and August (Average daylight: 12.2h).
Months with shortest days are January and December (Average daylight: 12h).

  • Average sunshine in September: 5h

Months with most sunshine are February and March (Average sunshine: 7h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in September - Johor Bahru, Malaysia
  • Average UV index in September: 12

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