September weather forecast
Cigoong, Indonesia

September

Weather in September

The first month of the spring, September, is also a hot month in Cigoong, Indonesia, with temperature in the range of an average high of 31.6°C (88.9°F) and an average low of 23.5°C (74.3°F).

Temperature

The transition into September reveals an average high-temperature of a still tropical 31.6°C (88.9°F), mirroring a close resemblance to August. In the month of September, Cigoong witnesses a consistent average low-temperature of 23.5°C (74.3°F).

Heat index

For September, the heat index is computed to be a blistering 40°C (104°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level 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 are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

September and October, with an average relative humidity of 71%, are the least humid months.

Rainfall

In Cigoong, in September, it is raining for 16 days, with typically 47mm (1.85") of accumulated precipitation. In Cigoong, during the entire year, the rain falls for 291.3 days and collects up to 1460mm (57.48") of precipitation.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:55 and sunset at 17:55. On the last day of September, sunrise is at 05:40 and sunset at 17:49 WIB.

Sunshine

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

UV index

The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during September translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

Is it hot during September?
In September, the average high-temperature and low-temperature are 31.6°C (88.9°F) and 23.5°C (74.3°F) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 40°C (104°F).
What is the least humid month?
September and October, with an average relative humidity of 71%, are the least humid months.
What is the average humidity in September?
The average relative humidity in September is 71%.
How many days does it rain in September?
In Cigoong, Indonesia, in September, during 16 rainfall days, 47mm (1.85") of precipitation is typically accumulated.
How many hours of daylight does Cigoong have in September?
In Cigoong, the average day length in September is 12h and 4min.
When are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 05:55 and sunset at 17:55. On the last day of the month, sunrise is at 05:40 and sunset at 17:49 WIB.
What month has the most sunshine?
With an average of 9.3h of sunshine, September has the most sunshine of the year.
How many hours of sunshine does Cigoong have in September?
In Cigoong, the average sunshine duration in September is 9.3h.
When is the highest UV index?
February through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the UV index intensity in September?
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
Cigoong, Indonesia
  • Average high temperature in September: 31.6°C

The warmest month (with the highest average high temperature) is October (32.1°C).
The month with the lowest average high temperature is January (29.8°C).

  • Average low temperature in September: 23.5°C

The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is August (23.1°C).

Average pressure in September
Cigoong, 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
Cigoong, Indonesia
  • Average wind speed in September: 5.2km/h

The windiest month (with the highest average wind speed) is January (9.4km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).

Average humidity in September
Cigoong, Indonesia
  • Average humidity in September: 71%

The months with the highest relative humidity are February and March (80%).
The months with the lowest relative humidity are September and October (71%).

Average rainfall in September
Cigoong, Indonesia
  • Average rainfall in September: 47mm

The wettest month (with the highest rainfall) is March (189mm).
The driest month (with the least rainfall) is August (45mm).

Average rainfall days in September
Cigoong, Indonesia
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is January (29.4 days).
The month with the least rainy days is August (14.3 days).

Average daylight in September /
Average sunshine in September
Cigoong, 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 2min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The months with the least sunshine are June and July (Average sunshine: 7h and 0min).

Average sunshine days in September
Cigoong, Indonesia
  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is August (14 days).
The month with the least sunshine days is February (0.7 days).

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

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

Average cloud cover in September
Cigoong, Indonesia
  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

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

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

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