September weather forecastSerom, Malaysia

September

Weather in September

The first month of the autumn, September, is still a hot month in Serom, Malaysia, with an average temperature varying between 24.6°C (76.3°F) and 31.4°C (88.5°F).

Temperature

Serom, welcoming September, observes an average high-temperature of a still hot 31.4°C (88.5°F), remaining consistent with the preceding month. Serom experiences an average low-temperature of 24.6°C (76.3°F) in the month of September.

Heat index

For most parts of September, the heat index is estimated at a blistering 40°C (104°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The months with the lowest humidity in Serom, Malaysia, are August and September, with an average relative humidity of 75%.

Rainfall

The month with the least rainfall in Serom is September, when the rain falls for 23.1 days and typically collects 63mm (2.48") of precipitation.

Daylight

In September, the average length of the day in Serom, Malaysia, is 12h and 8min.
On the first day of the month, sunrise is at 7:04 am and sunset at 7:14 pm. On the last day of September, in Serom, Malaysia, sunrise is at 6:56 am and sunset at 7:02 pm +08.

Sunshine

The months with the most sunshine are August and September, with an average of 8.9h of sunshine.

UV index

The months with the highest UV index in Serom, Malaysia, are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

In September, in Serom, the average high-temperature is 31.4°C (88.5°F), and the average low-temperature is 24.6°C (76.3°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 40°C (104°F).

August and September, with an average relative humidity of 75%, are the least humid months in Serom.

In Serom, Malaysia, the average relative humidity in September is 75%.

The month with the least rainfall is September, when the rain falls for 23.1 days and typically collects 63mm (2.48") of precipitation.

In Serom, Malaysia, during September, the rain falls for 23.1 days and regularly aggregates up to 63mm (2.48") of precipitation.

In Serom, Malaysia, the average day length in September is 12h and 8min.

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 7:02 pm +08.

The months with the most sunshine in Serom, Malaysia, are August and September, with an average of 8.9h of sunshine.

The average sunshine duration in September in Serom, Malaysia, is 8.9h.

The months with the highest UV index in Serom are January through December, with an average maximum UV index of 7.

The months with the lowest UV index in Serom, Malaysia, are January through December, with an average maximum UV index of 7.

In September, the average daily maximum UV index in Serom is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Serom, Malaysia

  • Average high temperature in September: 31.4°C

The warmest months (with the highest average high temperature) are April and May (31.9°C).
The month with the lowest average high temperature is December (29.9°C).

  • Average low temperature in September: 24.6°C

The month with the highest average low temperature is May (25.3°C).
The coldest month (with the lowest average low temperature) is February (23.5°C).

Average pressure in September
Serom, Malaysia

  • Average pressure in September: 1009.6mbar

The months with the highest atmospheric pressure are January and February (1010.3mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).

Average wind speed in September
Serom, Malaysia

  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is January (8.4km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).

Average humidity in September
Serom, Malaysia

  • Average humidity in September: 75%

The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are August and September (75%).

Average rainfall in September
Serom, Malaysia

  • Average rainfall in September: 63mm

The wettest month (with the highest rainfall) is November (172mm).
The driest month (with the least rainfall) is September (63mm).

Average rainfall days in September
Serom, Malaysia

  • Average rainfall days in September: 23.1 days

The month with the highest number of rainy days is November (27.6 days).
The month with the least rainy days is February (18.3 days).

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

  • Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).

  • Average sunshine in September: 8h and 54min

The months with the most sunshine are August and September (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).

Average sunshine days in September
Serom, Malaysia

  • Average sunshine days in September: 5.1 days

The month with the most sunshine days is February (8.5 days).
The month with the least sunshine days is November (1.5 days).

Average UV index in September
Serom, 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
Serom, Malaysia

  • Average cloud cover in September: 35

The month with the most cloud cover is November (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 34).

Average visibility in September
Serom, Malaysia

  • Average visibility in September: 10km

The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).