September weather forecast
Kalongsawah, Indonesia

September

Weather in September

The first month of the spring, September, is still a hot month in Kalongsawah, Indonesia, with an average temperature fluctuating between 32°C (89.6°F) and 22.6°C (72.7°F).

Temperature

Kalongsawah's peak temperatures tend to occur in September and October, with an average high-temperature of 32°C (89.6°F).

Heat index

The average heat index in September is computed to be a blistering 40°C (104°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 extremely significant for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

The least humid month is September, with an average relative humidity of 68%.

Rainfall

In Kalongsawah, in September, during 15.8 rainfall days, 63mm (2.48") of precipitation is typically accumulated. Throughout the year, there are 275.6 rainfall days, and 1683mm (66.26") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:54 and sunset at 17:53. On the last day of September, sunrise is at 05:39 and sunset at 17:48 WIB.

Sunshine

In Kalongsawah, the average sunshine in September is 8.9h.

UV index

March through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 7 in September suggests the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

What time of the year is the hottest?
The temperature hits its peak in September and October, recording an average high-temperature of 32°C (89.6°F).
How hot is it in September?
An average high-temperature, in September, in Kalongsawah, is 32°C (89.6°F) and the average low-temperature is 22.6°C (72.7°F). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 40°C (104°F).
What is the least humid month?
September is the least humid month, with an average relative humidity of 68%.
What is the average humidity in September?
The average relative humidity in September is 68%.
How much does it rain in September?
In Kalongsawah, in September, during 15.8 rainfall days, 63mm (2.48") of precipitation is typically accumulated.
How many hours of daylight does Kalongsawah have in September?
The average day length in September in Kalongsawah is 12h and 4min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 05:54 and sunset at 17:53. On the last day of the month, sunrise is at 05:39 and sunset at 17:48 WIB.
How many hours of sunshine does Kalongsawah have in September?
In Kalongsawah, the average sunshine duration in September is 8.9h.
What is the month with the highest UV index?
The months with the highest UV index are March through December, with an average maximum UV index of 7.
How high is the UV index in September?
In Kalongsawah, the average daily maximum UV index in September 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Kalongsawah, Indonesia
  • Average high temperature in September: 32°C

The warmest months (with the highest average high temperature) are September and October (32°C).
The months with the lowest average high temperature are January and February (29.3°C).

  • Average low temperature in September: 22.6°C

The month with the highest average low temperature is November (24.5°C).
The coldest month (with the lowest average low temperature) is July (22°C).

Average pressure in September
Kalongsawah, 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 (1009.3mbar).

Average wind speed in September
Kalongsawah, Indonesia
  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is January (8.6km/h).
The calmest month (with the lowest average wind speed) is May (6km/h).

Average humidity in September
Kalongsawah, Indonesia
  • Average humidity in September: 68%

The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is September (68%).

Average rainfall in September
Kalongsawah, Indonesia
  • Average rainfall in September: 63mm

The wettest month (with the highest rainfall) is March (230mm).
The driest month (with the least rainfall) is August (52mm).

Average rainfall days in September
Kalongsawah, Indonesia
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is March (27.2 days).
The month with the least rainy days is August (15.3 days).

Average daylight in September /
Average sunshine in September
Kalongsawah, 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: 8h and 5min

The month with the most sunshine is March (Average sunshine: 9h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 36min).

Average sunshine days in September
Kalongsawah, Indonesia
  • Average sunshine days in September: 12.3 days

The month with the most sunshine days is August (13.6 days).
The month with the least sunshine days is February (2 days).

Average UV index in September
Kalongsawah, Indonesia
  • Average UV index in September: 7

The months with the highest UV index are March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January and February (UV index 6).

Average cloud cover in September
Kalongsawah, Indonesia
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Kalongsawah, Indonesia
  • Average visibility in September: 10km

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

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