September weather forecastCitayam, Indonesia
September
Weather in September
The first month of the spring, September, is also a hot month in Citayam, Indonesia, with an average temperature fluctuating between 31.8°C (89.2°F) and 23.7°C (74.7°F).Temperature
With the start of September, Citayam measures an average high-temperature of a still tropical 31.8°C (89.2°F), not significantly differing from August's 31.3°C (88.3°F). Citayam observes an average low-temperature of 23.7°C (74.7°F) during September.Heat index
September's mean heat index is appraised at a sweltering 39°C (102.2°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
September and October, with an average relative humidity of 68%, are the least humid months.Rainfall
In Citayam, in September, it is raining for 17.8 days, with typically 77mm (3.03") of accumulated precipitation. In Citayam, during the entire year, the rain falls for 290 days and collects up to 1580mm (62.2") of precipitation.Daylight
In Citayam, the average length of the day in September is 12h and 4min.On the first day of September, 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 Citayam, the average sunshine in September is 9.3h.UV index
February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 in September translates into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Citayam, Indonesia
- Average high temperature in September: 31.8°C
The warmest month (with the highest average high temperature) is October (32°C).
The month with the lowest average high temperature is January (29.5°C).
- Average low temperature in September: 23.7°C
The month with the highest average low temperature is November (25°C).
The coldest month (with the lowest average low temperature) is July (23.1°C).
Average pressure in September
Citayam, 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 (1009.2mbar).
Average wind speed in September
Citayam, Indonesia
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is January (9.8km/h).
The calmest month (with the lowest average wind speed) is November (6.6km/h).
Average humidity in September
Citayam, Indonesia
- Average humidity in September: 68%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in September
Citayam, Indonesia
- Average rainfall in September: 77mm
The wettest month (with the highest rainfall) is March (207mm).
The driest month (with the least rainfall) is August (59mm).
Average rainfall days in September
Citayam, Indonesia
- Average rainfall days in September: 17.8 days
The month with the highest number of rainy days is March (28.5 days).
The month with the least rainy days is August (16.4 days).
Average daylight in September /
Average sunshine in September
Citayam, 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: 9h and 18min
The month with the most sunshine is March (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 7h and 6min).
Average sunshine days in September
Citayam, Indonesia
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is August (10.7 days).
The month with the least sunshine days is February (0.9 days).
Average UV index in September
Citayam, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in September
Citayam, Indonesia
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Citayam, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).
