September weather forecastCiseeng, Indonesia
September
Weather in September
The first month of the spring, September, is still a tropical month in Ciseeng, Indonesia, with an average temperature fluctuating between 22.8°C (73°F) and 32.1°C (89.8°F).Temperature
In Ciseeng, the month of September is known for its highest average temperatures, reaching a high of 32.1°C (89.8°F) and a low of 22.8°C (73°F).Heat index
In September, the heat index is estimated at a blisteringly hot 40°C (104°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
With an average relative humidity of 68%, September is the least humid month in Ciseeng.Rainfall
In Ciseeng, in September, during 17 rainfall days, 79mm (3.11") of precipitation is typically accumulated. Throughout the year, there are 276.8 rainfall days, and 1698mm (66.85") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of September in Ciseeng, sunrise is at 05:53 and sunset at 17:52. On the last day of the month, sunrise is at 05:38 and sunset at 17:47 WIB.
Sunshine
In Ciseeng, the average sunshine in September is 8.8h.UV index
March through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 7 in September transforms into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ciseeng, Indonesia
- Average high temperature in September: 32.1°C
The warmest month (with the highest average high temperature) is September (32.1°C).
The months with the lowest average high temperature are January and February (29.3°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is November (24.5°C).
The coldest month (with the lowest average low temperature) is July (22°C).
Average pressure in September
Ciseeng, Indonesia
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in September
Ciseeng, Indonesia
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is January (8.6km/h).
The calmest month (with the lowest average wind speed) is May (6km/h).
Average humidity in September
Ciseeng, Indonesia
- Average humidity in September: 68%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is September (68%).
Average rainfall in September
Ciseeng, Indonesia
- Average rainfall in September: 79mm
The wettest month (with the highest rainfall) is March (230mm).
The driest month (with the least rainfall) is August (52mm).
Average rainfall days in September
Ciseeng, Indonesia
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is March (27.2 days).
The month with the least rainy days is August (15.3 days).
Average daylight in September /
Average sunshine in September
Ciseeng, Indonesia
- Average daylight in September: 12h and 6min
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: 8h and 48min
The month with the most sunshine is March (Average sunshine: 9h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 36min).
Average sunshine days in September
Ciseeng, Indonesia
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is August (13.6 days).
The month with the least sunshine days is February (2 days).
Average UV index in September
Ciseeng, Indonesia
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January and February (UV index 6).
Average cloud cover in September
Ciseeng, Indonesia
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Ciseeng, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are June, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, July, November and December (9km).





