September weather forecastKalibuntu, Indonesia

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.