September weather forecast
Kunciran, Indonesia

September

Weather in September

The first month of the spring, September, is still a hot month in Kunciran, Indonesia, with an average temperature ranging between max 30.7°C (87.3°F) and min 25.2°C (77.4°F).

Temperature

The transition into September notes an average high-temperature of a still tropical 30.7°C (87.3°F), revealing a mild distinction from the 30.4°C (86.7°F) in August. Kunciran, during the month of September, experiences an average low-temperature of 25.2°C (77.4°F).

Heat index

For most parts of September, the heat index is computed to be a sweltering 37°C (98.6°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical 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 particularly meaningful for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

September and October, with an average relative humidity of 69%, are the least humid months.

Rainfall

In Kunciran, Indonesia, in September, during 17 rainfall days, 56mm (2.2") of precipitation is typically accumulated. In Kunciran, during the entire year, the rain falls for 283.6 days and collects up to 1323mm (52.09") of precipitation.

Daylight

In Kunciran, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:53 and sunset at 17:53. On the last day of September, sunrise is at 05:38 and sunset at 17:47 WIB.

Sunshine

In September, the average sunshine 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 of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

Is it hot in Kunciran during September?
The high-temperature during September is 30.7°C (87.3°F) and the low-temperature is 25.2°C (77.4°F). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 37°C (98.6°F).
What are the least humid months?
The months with the lowest humidity are September and October, with an average relative humidity of 69%.
What is the average humidity in September?
The average relative humidity in September is 69%.
How many days does it rain in September?
In September, the rain falls for 17 days. Throughout September, 56mm (2.2") of precipitation is accumulated.
What is the average length of the day in September?
In September, the average day length is 12h and 4min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 05:53 and sunset at 17:53. On the last day of the month, sunrise is at 05:38 and sunset at 17:47 WIB.
How many hours of sunshine does Kunciran have in September?
The average sunshine duration in September is 9.7h.
What is the month with the highest UV index?
January through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the month with the lowest UV index?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the UV index reading in September?
In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health threat 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
Kunciran, Indonesia
  • Average high temperature in September: 30.7°C

The warmest month (with the highest average high temperature) is October (31.3°C).
The month with the lowest average high temperature is January (29.6°C).

  • Average low temperature in September: 25.2°C

The months with the highest average low temperature are October and November (26.5°C).
The coldest month (with the lowest average low temperature) is July (24.9°C).

Average pressure in September
Kunciran, 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
Kunciran, Indonesia
  • Average wind speed in September: 8.6km/h

The windiest month (with the highest average wind speed) is January (12.6km/h).
The calmest month (with the lowest average wind speed) is September (8.6km/h).

Average humidity in September
Kunciran, Indonesia
  • Average humidity in September: 69%

The months with the highest relative humidity are February and March (76%).
The months with the lowest relative humidity are September and October (69%).

Average rainfall in September
Kunciran, Indonesia
  • Average rainfall in September: 56mm

The wettest month (with the highest rainfall) is February (162mm).
The driest month (with the least rainfall) is August (49mm).

Average rainfall days in September
Kunciran, Indonesia
  • Average rainfall days in September: 17 days

The month with the highest number of rainy days is March (28.1 days).
The month with the least rainy days is August (15.3 days).

Average daylight in September /
Average sunshine in September
Kunciran, 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 18min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).

Average sunshine days in September
Kunciran, Indonesia
  • Average sunshine days in September: 8.6 days

The month with the most sunshine days is August (10.5 days).
The month with the least sunshine days is March (1.8 days).

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

The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 22).

Average visibility in September
Kunciran, 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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