September weather forecast
Bukit Rotan, Malaysia

September

Weather in September

The first month of the autumn, September, is still a hot month in Bukit Rotan, Malaysia, with an average temperature fluctuating between 25.3°C (77.5°F) and 30.6°C (87.1°F).

Temperature

Bukit Rotan ushers in September with an average high-temperature of a still hot 30.6°C (87.1°F), showing a close resemblance to the previous month. Bukit Rotan's nighttime temperature in September drops to an average of 25.3°C (77.5°F).

Heat index

Throughout September, the heat index is appraised at a sweltering 37°C (98.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

July through September, with an average relative humidity of 73%, are the least humid months in Bukit Rotan.

Rainfall

The month with the least rainfall is September, when the rain falls for 23.2 days and typically collects 36mm (1.42") of precipitation.

Daylight

In Bukit Rotan, Malaysia, the average length of the day in September is 12h and 8min.
On the first day of the month, sunrise is at 7:09 am and sunset at 7:19 pm. On the last day of September, in Bukit Rotan, sunrise is at 7:01 am and sunset at 7:07 pm +08.

Sunshine

In September, the average sunshine in Bukit Rotan is 9h.

UV index

The months with the highest UV index in Bukit Rotan are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Bukit Rotan. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

How hot does it get in Bukit Rotan in September?
September temperatures vary between a high-temperature of 30.6°C (87.1°F) and a low-temperature of 25.3°C (77.5°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 37°C (98.6°F).
What are the least humid months in Bukit Rotan?
July through September, with an average relative humidity of 73%, are the least humid months.
What is the average humidity in September in Bukit Rotan?
In September, the average relative humidity in Bukit Rotan, Malaysia, is 73%.
What is the driest month in Bukit Rotan?
September is the month with the least rainfall in Bukit Rotan, Malaysia. Rain falls for 23.2 days and accumulates 36mm (1.42") of precipitation.
How many days does it rain in September in Bukit Rotan?
In Bukit Rotan, in September, during 23.2 rainfall days, 36mm (1.42") of precipitation is typically accumulated.
How many hours of daylight does Bukit Rotan have in September?
In September, the average day length in Bukit Rotan is 12h and 8min.
When is the sunrise / sunset in September in Bukit Rotan?
On the first day of September, sunrise is at 7:09 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 7:07 pm +08.
How many hours of sunshine does Bukit Rotan have in September?
In September, the average sunshine duration is 9h.
When is the highest UV index in Bukit Rotan?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Bukit Rotan, Malaysia.
What is the month with the lowest UV index in Bukit Rotan?
The months with the lowest UV index in Bukit Rotan are January through December, with an average maximum UV index of 7.
What is the UV index intensity in September in Bukit Rotan?
In Bukit Rotan, Malaysia, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Bukit Rotan, Malaysia
Average temperature in September
Bukit Rotan, Malaysia
  • Average high temperature in September: 30.6°C

The warmest month (with the highest average high temperature) is May (31.3°C).
The month with the lowest average high temperature is December (29.7°C).

  • Average low temperature in September: 25.3°C

The month with the highest average low temperature is May (25.9°C).
The coldest month (with the lowest average low temperature) is January (24.3°C).

Average pressure in September - Bukit Rotan, Malaysia
Average pressure in September
Bukit Rotan, Malaysia
  • Average pressure in September: 1009.8mbar

The month with the highest atmospheric pressure is January (1010.5mbar).
The months with the lowest atmospheric pressure are May and June (1008.8mbar).

Average wind speed in September - Bukit Rotan, Malaysia
Average wind speed in September
Bukit Rotan, Malaysia
  • Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is July (8.5km/h).
The calmest month (with the lowest average wind speed) is December (6.8km/h).

Average humidity in September - Bukit Rotan, Malaysia
Average humidity in September
Bukit Rotan, Malaysia
  • Average humidity in September: 73%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are July, August and September (73%).

Average rainfall in September - Bukit Rotan, Malaysia
Average rainfall in September
Bukit Rotan, Malaysia
  • Average rainfall in September: 36mm

The wettest months (with the highest rainfall) are November and December (111mm).
The driest month (with the least rainfall) is September (36mm).

Average rainfall days in September - Bukit Rotan, Malaysia
Average rainfall days in September
Bukit Rotan, Malaysia
  • Average rainfall days in September: 23.2 days

The month with the highest number of rainy days is November (26.6 days).
The month with the least rainy days is February (19.7 days).

Average daylight in September / Average sunshine in September - Bukit Rotan, Malaysia
Average daylight in September /
Average sunshine in September
Bukit Rotan, Malaysia
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in September: 9h and 0min

The months with the most sunshine are February, June and July (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 54min).

Average sunshine days in September - Bukit Rotan, Malaysia
Average sunshine days in September
Bukit Rotan, Malaysia
  • Average sunshine days in September: 4.3 days

The month with the most sunshine days is July (6.9 days).
The month with the least sunshine days is November (2.5 days).

Average UV index in September - Bukit Rotan, Malaysia
Average UV index in September
Bukit Rotan, Malaysia
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in September - Bukit Rotan, Malaysia
Average cloud cover in September
Bukit Rotan, Malaysia
  • Average cloud cover in September: 36

The month with the most cloud cover is November (Cloud cover 47).
The months with the least cloud cover are June and July (Cloud cover 31).

Average visibility in September - Bukit Rotan, Malaysia
Average visibility in September
Bukit Rotan, Malaysia
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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