September weather forecastPerkamil, Indonesia

September

Weather in September

September, the first month of the autumn in Perkamil, is still a hot month, with an average temperature fluctuating between 24°C (75.2°F) and 30.4°C (86.7°F).

Temperature

Transitioning from August to September, Perkamil observes an average high-temperature of a still hot 30.4°C (86.7°F), differing subtly from the previous month. During the month of September, the nighttime temperature falls to an average of 24°C (75.2°F).

Heat index

In September, the heat index is evaluated at a sweltering 38°C (100.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

September is the least humid month, with an average relative humidity of 76%.

Rainfall

The month with the least rainfall in Perkamil is September, when the rain falls for 19.5 days and typically collects 69mm (2.72") of precipitation.

Daylight

In September, the average length of the day is 12h and 7min.
On the first day of September in Perkamil, sunrise is at 05:36 and sunset at 17:44. On the last day of the month, sunrise is at 05:27 and sunset at 17:33 WITA.

Sunshine

September has the most sunshine of the year, with an average of 9.3h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Perkamil are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 7 during September morphs into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

An average high-temperature, in September, in Perkamil, is 30.4°C (86.7°F) and the average low-temperature is 24°C (75.2°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 evaluated at 38°C (100.4°F).

September is the least humid month, with an average relative humidity of 76%.

In September, the average relative humidity is 76%.

The month with the least rainfall is September, when the rain falls for 19.5 days and typically collects 69mm (2.72") of precipitation.

In September, the rain falls for 19.5 days. Throughout September, 69mm (2.72") of precipitation is accumulated.

In September, the average day length is 12h and 7min.

In September, on the first day of the month, sunrise is at 05:36 and sunset at 17:44. On the last day of the month, sunrise is at 05:27 and sunset at 17:33 WITA.

The month with the most sunshine is September, with an average of 9.3h of sunshine.

In Perkamil, Indonesia, the average sunshine duration in September is 9.3h.

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

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

In September, the average daily maximum UV index in Perkamil is 7. A UV Index reading of 6 to 7 represents a high health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Perkamil, Indonesia

  • Average high temperature in September: 30.4°C

The warmest month (with the highest average high temperature) is October (30.5°C).
The month with the lowest average high temperature is February (28.1°C).

  • Average low temperature in September: 24°C

The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is March (23.8°C).

Average pressure in September
Perkamil, Indonesia

  • Average pressure in September: 1010.1mbar

The month with the highest atmospheric pressure is September (1010.1mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).

Average wind speed in September
Perkamil, Indonesia

  • Average wind speed in September: 5.7km/h

The windiest month (with the highest average wind speed) is February (8.2km/h).
The calmest month (with the lowest average wind speed) is May (5.3km/h).

Average humidity in September
Perkamil, Indonesia

  • Average humidity in September: 76%

The months with the highest relative humidity are January, February and March (83%).
The month with the lowest relative humidity is September (76%).

Average rainfall in September
Perkamil, Indonesia

  • Average rainfall in September: 69mm

The wettest month (with the highest rainfall) is June (161mm).
The driest month (with the least rainfall) is September (69mm).

Average rainfall days in September
Perkamil, Indonesia

  • Average rainfall days in September: 19.5 days

The month with the highest number of rainy days is May (28.3 days).
The month with the least rainy days is September (19.5 days).

Average daylight in September /
Average sunshine in September
Perkamil, Indonesia

  • 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: 9h and 18min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The months with the least sunshine are January and February (Average sunshine: 7h and 36min).

Average sunshine days in September
Perkamil, Indonesia

  • Average sunshine days in September: 8 days

The month with the most sunshine days is August (8.6 days).
The month with the least sunshine days is November (1 days).

Average UV index in September
Perkamil, Indonesia

  • 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
Perkamil, Indonesia

  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in September
Perkamil, Indonesia

  • 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).