September weather forecastTenom, Malaysia

September

Weather in September

September, the first month of the autumn in Tenom, is still a warm month, with an average temperature fluctuating between 29.8°C (85.6°F) and 20°C (68°F).

Temperature

Tenom, Malaysia, marks the arrival of September with an average high-temperature of a warm 29.8°C (85.6°F), hardly different from August's 30.2°C (86.4°F). Tenom throughout September, experiences an average nighttime temperature of 20°C (68°F).

Heat index

The heat index for September is calculated to be a sweltering 38°C (100.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in September in Tenom, Malaysia, is 83%.

Rainfall

In Tenom, in September, during 28.1 rainfall days, 156mm (6.14") of precipitation is typically accumulated. In Tenom, during the entire year, the rain falls for 336.4 days and collects up to 2152mm (84.72") of precipitation.

Daylight

The average length of the day in September is 12h and 9min.
On the first day of the month, sunrise is at 6:09 am and sunset at 6:22 pm. On the last day of September, sunrise is at 6:03 am and sunset at 6:08 pm +08.

Sunshine

With an average of 8h of sunshine, September has the most sunshine of the year.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during September leads to these instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

Tenom in September has an average high-temperature of 29.8°C (85.6°F) and an average low-temperature of 20°C (68°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 38°C (100.4°F).

The average relative humidity in September in Tenom, Malaysia, is 83%.

In September, in Tenom, the rain falls for 28.1 days. Throughout September, 156mm (6.14") of precipitation is accumulated.

The average day length in September in Tenom, Malaysia, is 12h and 9min.

On the first day of September in Tenom, Malaysia, sunrise is at 6:09 am and sunset at 6:22 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 6:08 pm +08.

The month with the most sunshine in Tenom is September, with an average of 8h of sunshine.

In September, the average sunshine duration in Tenom is 8h.

The months with the highest UV index in Tenom are January through December, with an average maximum UV index of 6.

The months with the lowest UV index are January through December, with an average maximum UV index of 6.

The average daily maximum UV index in September in Tenom, Malaysia, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Tenom, Malaysia

  • Average high temperature in September: 29.8°C

The warmest month (with the highest average high temperature) is May (30.3°C).
The month with the lowest average high temperature is January (28.6°C).

  • Average low temperature in September: 20°C

The months with the highest average low temperature are October and November (20.5°C).
The coldest months (with the lowest average low temperature) are February and March (19.6°C).

Average pressure in September
Tenom, Malaysia

  • Average pressure in September: 1010.3mbar

The month with the highest atmospheric pressure is February (1010.9mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).

Average wind speed in September
Tenom, Malaysia

  • Average wind speed in September: 3.8km/h

The windiest month (with the highest average wind speed) is February (4.1km/h).
The calmest months (with the lowest average wind speed) are April, May, June and November (3.6km/h).

Average humidity in September
Tenom, Malaysia

  • Average humidity in September: 83%

The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is August (82%).

Average rainfall in September
Tenom, Malaysia

  • Average rainfall in September: 156mm

The wettest month (with the highest rainfall) is May (228mm).
The driest month (with the least rainfall) is February (119mm).

Average rainfall days in September
Tenom, Malaysia

  • Average rainfall days in September: 28.1 days

The month with the highest number of rainy days is December (29.9 days).
The month with the least rainy days is February (24 days).

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

  • Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is September (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 5h and 54min).

Average sunshine days in September
Tenom, Malaysia

  • Average sunshine days in September: 1.5 days

The month with the most sunshine days is February (2.8 days).
The month with the least sunshine days is December (0.5 days).

Average UV index in September
Tenom, Malaysia

  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).

Average cloud cover in September
Tenom, Malaysia

  • Average cloud cover in September: 49

The months with the most cloud cover are January, April and December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 48).

Average visibility in September
Tenom, Malaysia

  • Average visibility in September: 7km

The month with the highest visibility is August (8km).
The month with the lowest visibility is April (6km).