September weather forecastSekarsuli, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Sekarsuli, Indonesia, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 29.7°C (85.5°F).Temperature
September's beginning signals an average high-temperature of a still moderately hot 29.7°C (85.5°F), barely different from August's 28.7°C (83.7°F). During the month of September, the nighttime temperature falls to an average of 20.8°C (69.4°F).Heat index
The heat index value for September is estimated at a very hot 36°C (96.8°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.One should consider that heat index numbers are for shaded settings and light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
With an average relative humidity of 77%, September is the least humid month.Rainfall
In Sekarsuli, Indonesia, in September, during 15.8 rainfall days, 53mm (2.09") of precipitation is typically accumulated. Throughout the year, there are 290.8 rainfall days, and 2049mm (80.67") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 05:38 and sunset at 17:36. On the last day of September, sunrise is at 05:22 and sunset at 17:32 WIB.
Sunshine
In Sekarsuli, the average sunshine in September is 8.9h.UV index
January through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sekarsuli, Indonesia
- Average high temperature in September: 29.7°C
The warmest month (with the highest average high temperature) is October (30.2°C).
The month with the lowest average high temperature is July (28.1°C).
- Average low temperature in September: 20.8°C
The month with the highest average low temperature is November (22.5°C).
The coldest month (with the lowest average low temperature) is August (20.4°C).
Average pressure in September
Sekarsuli, Indonesia
- Average pressure in September: 1011.7mbar
The months with the highest atmospheric pressure are August and September (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Sekarsuli, Indonesia
- Average wind speed in September: 10km/h
The windiest months (with the highest average wind speed) are August and September (10km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).
Average humidity in September
Sekarsuli, Indonesia
- Average humidity in September: 77%
The months with the highest relative humidity are January, February, March, April and May (85%).
The month with the lowest relative humidity is September (77%).
Average rainfall in September
Sekarsuli, Indonesia
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is March (291mm).
The driest month (with the least rainfall) is August (27mm).
Average rainfall days in September
Sekarsuli, Indonesia
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is March (30.5 days).
The month with the least rainy days is August (12.2 days).
Average daylight in September /
Average sunshine in September
Sekarsuli, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in September
Sekarsuli, Indonesia
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is August (14.4 days).
The months with the least sunshine days are January, February and March (0.3 days).
Average UV index in September
Sekarsuli, Indonesia
- Average UV index in September: 6
The month with the highest UV index is October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 6).
Average cloud cover in September
Sekarsuli, Indonesia
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Sekarsuli, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February, March, April, May and November (8km).
