September weather forecastKlaling, Indonesia

September

Weather in September

The first month of the spring, September, is still a tropical month in Klaling, Indonesia, with an average temperature varying between 23.8°C (74.8°F) and 33°C (91.4°F).

Temperature

The ushering in of September brings an average high-temperature of a still tropical 33°C (91.4°F), closely mirroring the 32°C (89.6°F) of August. Klaling experiences an average temperature drop to a warm 23.8°C (74.8°F) during September nights.

Heat index

For September, the heat index is calculated to be a blistering 42°C (107.6°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

With an average relative humidity of 66%, September is the least humid month.

Rainfall

In Klaling, during September, the rain falls for 10.5 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, there are 239.6 rainfall days, and 1140mm (44.88") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 4min.
On the first day of September, sunrise is at 05:36 and sunset at 17:35. On the last day of the month, sunrise is at 05:21 and sunset at 17:31 WIB.

Sunshine

In Klaling, the average sunshine in September is 9.7h.

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 are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

In September, in Klaling, the average high-temperature is 33°C (91.4°F), and the average low-temperature is 23.8°C (74.8°F). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 42°C (107.6°F).

The least humid month in Klaling is September, with an average relative humidity of 66%.

In Klaling, the average relative humidity in September is 66%.

In Klaling, Indonesia, during September, the rain falls for 10.5 days and regularly aggregates up to 25mm (0.98") of precipitation.

In September, the average day length is 12h and 4min.

In September, on the first day of the month, sunrise is at 05:36 and sunset at 17:35. On the last day of the month, in Klaling, sunrise is at 05:21 and sunset at 17:31 WIB.

In Klaling, Indonesia, the average sunshine duration in September is 9.7h.

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

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

In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe 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
Klaling, Indonesia

  • Average high temperature in September: 33°C

The warmest month (with the highest average high temperature) is October (33.5°C).
The months with the lowest average high temperature are January and February (29.8°C).

  • Average low temperature in September: 23.8°C

The month with the highest average low temperature is November (25.3°C).
The coldest months (with the lowest average low temperature) are July and August (23.3°C).

Average pressure in September
Klaling, Indonesia

  • Average pressure in September: 1011.2mbar

The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

Average wind speed in September
Klaling, Indonesia

  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).

Average humidity in September
Klaling, Indonesia

  • Average humidity in September: 66%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is September (66%).

Average rainfall in September
Klaling, Indonesia

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the least rainfall) is August (16mm).

Average rainfall days in September
Klaling, Indonesia

  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (9.5 days).

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

  • Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in September: 9h and 42min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).

Average sunshine days in September
Klaling, Indonesia

  • Average sunshine days in September: 17 days

The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is January (2.1 days).

Average UV index in September
Klaling, 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
Klaling, Indonesia

  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in September
Klaling, Indonesia

  • Average visibility in September: 10km

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