September weather forecast
Klender, Indonesia

September

Weather in September

September, the first month of the spring in Klender, is still a hot month, with an average temperature fluctuating between 31.2°C (88.2°F) and 25°C (77°F).

Temperature

The initiation of September records an average high-temperature of a still tropical 31.2°C (88.2°F), displaying a near consistency with the previous month. During September, Klender experiences an average low-temperature of 25°C (77°F) at night.

Heat index

For most parts of September, the heat index is evaluated at a fiery hot 38°C (100.4°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in September is 68%.

Rainfall

In Klender, in September, it is raining for 13.5 days, with typically 46mm (1.81") of accumulated precipitation. In Klender, during the entire year, the rain falls for 252 days and collects up to 1150mm (45.28") of precipitation.

Daylight

In September, the average length of the day is 12h and 4min.
On the first day of the month, sunrise is at 05:52 and sunset at 17:52. On the last day of September, in Klender, sunrise is at 05:37 and sunset at 17:47 WIB.

Sunshine

In September, the average sunshine in Klender is 9.6h.

UV index

The months with the highest UV index in Klender 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 Klender. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 7 in September transforms into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

How hot is it in Klender in September?
In Klender, 31.2°C (88.2°F) is the average high-temperature and 25°C (77°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is evaluated at 38°C (100.4°F).
What is the average humidity in September in Klender?
In Klender, the average relative humidity in September is 68%.
How many days does it rain in September in Klender?
In Klender, Indonesia, in September, it is raining for 13.5 days, with typically 46mm (1.81") of accumulated precipitation.
How many hours of daylight does Klender have in September?
In September, the average day length in Klender is 12h and 4min.
When are sunrise and sunset in September in Klender?
On the first day of September, sunrise is at 05:52 and sunset at 17:52. On the last day of the month, sunrise is at 05:37 and sunset at 17:47 WIB.
How long on average sun shines in September in Klender?
In September, the average sunshine duration in Klender is 9.6h.
When is the highest UV index in Klender?
The months with the highest UV index in Klender, Indonesia, are January through December, with an average maximum UV index of 7.
When is the lowest UV index in Klender?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Klender.
What is the UV index reading in September in Klender?
In Klender, Indonesia, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Klender, Indonesia
Average temperature in September
Klender, Indonesia
  • Average high temperature in September: 31.2°C

The warmest month (with the highest average high temperature) is October (31.8°C).
The months with the lowest average high temperature are January and February (29.8°C).

  • Average low temperature in September: 25°C

The month with the highest average low temperature is November (26.5°C).
The coldest month (with the lowest average low temperature) is August (24.7°C).

Average pressure in September - Klender, Indonesia
Average pressure in September
Klender, Indonesia
  • Average pressure in September: 1011.1mbar

The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in September - Klender, Indonesia
Average wind speed in September
Klender, Indonesia
  • Average wind speed in September: 8.8km/h

The windiest month (with the highest average wind speed) is January (12.4km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).

Average humidity in September - Klender, Indonesia
Average humidity in September
Klender, Indonesia
  • Average humidity in September: 68%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is October (67%).

Average rainfall in September - Klender, Indonesia
Average rainfall in September
Klender, Indonesia
  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is March (144mm).
The driest month (with the least rainfall) is August (35mm).

Average rainfall days in September - Klender, Indonesia
Average rainfall days in September
Klender, Indonesia
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (11.6 days).

Average daylight in September / Average sunshine in September - Klender, Indonesia
Average daylight in September /
Average sunshine in September
Klender, Indonesia
  • Average daylight in September: 12h and 1min

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 48min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is March (Average sunshine: 10h and 12min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).

Average sunshine days in September - Klender, Indonesia
Average sunshine days in September
Klender, Indonesia
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is August (16 days).
The month with the least sunshine days is February (2.6 days).

Average UV index in September - Klender, Indonesia
Average UV index in September
Klender, 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 - Klender, Indonesia
Average cloud cover in September
Klender, Indonesia
  • Average cloud cover in September: 22

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September - Klender, Indonesia
Average visibility in September
Klender, 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).

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