September weather forecast and climate
Sibu, Malaysia

Weather in September

The first month of the autumn, September, is also a hot month in Sibu, Malaysia, with average temperature ranging between min 22.7°C (72.9°F) and max 32.2°C (90°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a still tropical 32.2°C (90°F). In Sibu, Malaysia, in September, the average low-temperature is 22.7°C (72.9°F).

Rainfall

In Sibu, during September, the rain falls for 16 days and regularly aggregates up to 277.5mm (10.93") of precipitation. Throughout the year, in Sibu, Malaysia, there are 193 rainfall days, and 3228.9mm (127.12") of precipitation is accumulated.

Daylight

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

Sunshine

In September, the average sunshine in Sibu is 5h.

UV index

January through May, July through December, with an average maximum UV index of 12, are months with the highest UV index in Sibu. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 12 translate into the following recommendations:
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.
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FAQ

How many days does it rain in September in Sibu?

In Sibu, Malaysia, during September, the rain falls for 16 days and regularly aggregates up to 277.5mm (10.93") of precipitation.

What is the average length of the day in September in Sibu?

The average length of the day in September is 12.1h.

How long on average sun shines in September in Sibu?

The average sunshine in September in Sibu is 5h.

When is the highest UV index in Sibu?

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

What is the UV index intensity in September in Sibu?

The average daily maximum UV index in September in Sibu, Malaysia, is 12. A UV Index of 11, and more, symbolizes an ultimate hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in September
Sibu, Malaysia

Average temperature in September - Sibu, Malaysia
  • Average high temperature in September: 32.2°C

The warmest month (with the highest average high temperature) is May (33°C).
The month with the lowest average high temperature is December (30.3°C).

  • Average low temperature in September: 22.7°C

The month with the highest average low temperature is May (23.1°C).
The coldest month (with the lowest average low temperature) is July (22.5°C).

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Average rainfall in September
Sibu, Malaysia

Average rainfall in September - Sibu, Malaysia
  • Average rainfall in September: 277.5mm

The wettest month (with the highest rainfall) is January (368.3mm).
The driest month (with the least rainfall) is July (168.2mm).

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Average rainfall days in September
Sibu, Malaysia

Average rainfall days in September - Sibu, Malaysia
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is December (20 days).
Months with the least rainy days are June and July (12 days).

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Average daylight in September /
Average sunshine in September
Sibu, Malaysia

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

The month with the longest days is June (Average daylight: 12.3h).
Months with the shortest days are January, February, November and December (Average daylight: 12h).

  • Average sunshine in September: 5h

The month with the most sunshine is July (Average sunshine: 6.4h).
The month with the least sunshine is January (Average sunshine: 4.2h).

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Average UV index in September
Sibu, Malaysia

Average UV index in September - Sibu, Malaysia
  • Average UV index in September: 12

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

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