Miri
Malaysia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Miri, Malaysia

September, the first month of the autumn, in Miri, is still a tropical month, with average temperature ranging between min 23.4°C (74.1°F) and max 31°C (87.8°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a still tropical 31°C (87.8°F). In September, the average low-temperature is 23.4°C (74.1°F).

Rainfall

In Miri, during September, the rain falls for 14 days and regularly aggregates up to 249.5mm (9.8") of precipitation. Throughout the year, there are 159 rainfall days, and 2713.6mm (106.8") of precipitation is accumulated.

Sea temperature

In Miri, the average water temperature is 29.7°C (85.5°F).
Note: 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 is 12.1h.

Sunshine

In September, the average sunshine is 6.2h.

UV index

Months with the highest UV index in Miri are January through November, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: 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. 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. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Miri?

In Miri, in September, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 23.4°C (74.1°F).

How many days does it rain in September in Miri?

In Miri, in September, during 14 rainfall days, 249.5mm (9.8") of precipitation is typically accumulated.

What is the water temperature in September in Miri?

In September, the average sea temperature is 29.7°C (85.5°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.

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

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

How long on average sun shines in September in Miri?

The average sunshine in September in Miri is 6.2h.

When is the highest UV index in Miri?

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

How high is the UV index in September in Miri?

In Miri, the average daily maximum UV index in September is 12. A UV Index value of 11, and more, symbolizes an extreme health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Miri, Malaysia
  • Average high temperature in September: 31°C

The warmest month (with the highest average high temperature) is May (31.6°C).
The month with the lowest average high temperature is January (29.9°C).

  • Average low temperature in September: 23.4°C

The month with the highest average low temperature is May (23.9°C).
The coldest month (with the lowest average low temperature) is January (23.1°C).

Average rainfall in September - Miri, Malaysia
  • Average rainfall in September: 249.5mm

The wettest month (with the highest rainfall) is December (349.2mm).
The driest month (with the lowest rainfall) is March (134.4mm).

Average rainfall days in September - Miri, Malaysia
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is December (18 days).
The month with the lowest number of rainy days is March (9 days).

Average sea temperature in September - Miri, Malaysia
  • Average sea temperature in September: 29.7°C

Best months for swimming (with the highest average sea temperature) are June and July (30.3°C).
The coldest month (with the lowest average sea temperature) is February (27.1°C).

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

Months with the longest days are June and July (Average daylight: 12.4h).
Months with shortest days are January, November and December (Average daylight: 11.9h).

  • Average sunshine in September: 6.2h

The month with most sunshine is April (Average sunshine: 7.2h).
The month with least sunshine is January (Average sunshine: 5.5h).

Average UV index in September - Miri, 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).