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

Rainfall

In Johor Bahru, in September, during 13 rainfall days, 190.8mm (7.5") of precipitation is typically accumulated. Throughout the year, there are 162 rainfall days, and 2355.5mm (92.7") of precipitation is accumulated.

Sea temperature

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

The average length of the day in Johor Bahru is 12.1h.

Sunshine

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

UV index

Months with the highest UV index are January through May, August through December, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 12 interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. 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 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, Malaysia, 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 September, in Johor Bahru, Malaysia, the rain falls for 13 days. Throughout September, 190.8mm (7.5") of precipitation is accumulated.

What is the water temperature in September in Johor Bahru?

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

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

How long on average sun shines in September in Johor Bahru?

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

When is the highest UV index in Johor Bahru?

Months with the highest UV index are January through May, August through December, with an average maximum UV index of 12.

How high is the UV index in September in Johor Bahru?

In Johor Bahru, 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 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).