September weather forecast
Kejambon, Indonesia

The first month of the spring, September, is a hot month in Kejambon, Indonesia, with temperature in the range of an average low of 23.8°C (74.8°F) and an average high of 30.3°C (86.5°F).

Temperature

The advent of September signifies a minor shift to an average high-temperature of a hot 30.3°C (86.5°F), aligning closely with August. Kejambon observes an average nighttime low-temperature of 23.8°C (74.8°F) during the month of September.

Heat index

The heat index for September is estimated at a very hot 36°C (96.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The months with the lowest humidity in Kejambon are September and October, with an average relative humidity of 71%.

Rainfall

In Kejambon, Indonesia, during September, the rain falls for 9.6 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, there are 233.4 rainfall days, and 1073mm (42.24") of precipitation is accumulated.

Daylight

The average length of the day in September in Kejambon, Indonesia, is 12h and 4min.
On the first day of the month, sunrise is at 05:43 and sunset at 17:42. On the last day of September, in Kejambon, sunrise is at 05:28 and sunset at 17:38 WIB.

Sunshine

In September, the average sunshine in Kejambon is 9.7h.

UV index

The months with the highest UV index in Kejambon 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 value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 7 transforms into these recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.