September weather forecast
Kalibuntu, Indonesia

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Weather in September

September, the first month of the spring in Kalibuntu, is still a tropical month, with an average temperature ranging between min 23.5°C (74.3°F) and max 30.7°C (87.3°F).

Temperature

As Kalibuntu welcomes September, the average high-temperature stabilizes at a still hot 30.7°C (87.3°F), showing little deviation from August's 30.1°C (86.2°F). Kalibuntu's nights in September experience an average temperature drop to a moderately hot 23.5°C (74.3°F).

Heat index

For September, the heat index is calculated to be a torrid 37°C (98.6°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In Kalibuntu, Indonesia, the average relative humidity in September is 72%.

Rainfall

In September, in Kalibuntu, the rain falls for 8.5 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, there are 227.1 rainfall days, and 1284mm (50.55") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:45 and sunset at 17:44. On the last day of the month, sunrise is at 05:29 and sunset at 17:39 WIB.

Sunshine

In September, the average sunshine is 9.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Kalibuntu 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 unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 7 in September suggests the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

How hot is September?

The average high-temperature and low-temperature during September are 30.7°C (87.3°F) and 23.5°C (74.3°F) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 37°C (98.6°F).

What is the average humidity in September?

In September, the average relative humidity is 72%.

How much does it rain in September?

In September, the rain falls for 8.5 days. Throughout September, 25mm (0.98") of precipitation is accumulated.

How many hours of daylight does Kalibuntu have in September?

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

When is the sunrise / sunset in September?

On the first day of September in Kalibuntu, sunrise is at 05:45 and sunset at 17:44. On the last day of the month, sunrise is at 05:29 and sunset at 17:39 WIB.

How many hours of sunshine does Kalibuntu have in September?

In Kalibuntu, the average sunshine duration in September is 9.6h.

When is the highest UV index?

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

When is the lowest UV index?

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

How high is the UV index in September in Kalibuntu?

The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in September
Kalibuntu, Indonesia

Average temperature in September - Kalibuntu, Indonesia
  • Average high temperature in September: 30.7°C

The warmest month (with the highest average high temperature) is October (31.2°C).
The month with the lowest average high temperature is February (29.3°C).

  • Average low temperature in September: 23.5°C

The month with the highest average low temperature is December (25.5°C).
The coldest month (with the lowest average low temperature) is August (23.2°C).

Average pressure in September
Kalibuntu, Indonesia

Average pressure in September - Kalibuntu, Indonesia
  • Average pressure in September: 1011.5mbar

The month with the highest atmospheric pressure is September (1011.5mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in September
Kalibuntu, Indonesia

Average wind speed in September - Kalibuntu, Indonesia
  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is September (10.5km/h).
The calmest month (with the lowest average wind speed) is April (6.9km/h).

Average humidity in September
Kalibuntu, Indonesia

Average humidity in September - Kalibuntu, Indonesia
  • Average humidity in September: 72%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Kalibuntu, Indonesia

Average rainfall in September - Kalibuntu, Indonesia
  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is January (259mm).
The driest month (with the least rainfall) is August (13mm).

Average rainfall days in September
Kalibuntu, Indonesia

Average rainfall days in September - Kalibuntu, Indonesia
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is January (29.4 days).
The month with the least rainy days is August (5.5 days).

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

Average daylight in September / Average sunshine in September - Kalibuntu, 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 42min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 0min).

Average sunshine days in September
Kalibuntu, Indonesia

Average sunshine days in September - Kalibuntu, Indonesia
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is February (0.5 days).

Average UV index in September
Kalibuntu, Indonesia

Average UV index in September - Kalibuntu, 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
Kalibuntu, Indonesia

Average cloud cover in September - Kalibuntu, Indonesia
  • Average cloud cover in September: 21

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in September
Kalibuntu, Indonesia

Average visibility in September - Kalibuntu, Indonesia
  • Average visibility in September: 10km

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

Kalibuntu, Indonesia

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