September weather forecastJatisura, Indonesia
September weather for Jatisura, Indonesia: September, the first month of the spring in Jatisura, is also a hot month, with an average temperature fluctuating between 31.6°C (88.9°F) and 21.8°C (71.2°F). In Jatisura, during September, the rain falls for 12.5 days and regularly aggregates up to 30mm (1.18") of precipitation.
September
Weather in September
September, the first month of the spring in Jatisura, is also a hot month, with an average temperature fluctuating between 31.6°C (88.9°F) and 21.8°C (71.2°F).Temperature
September registers an average high-temperature of a still tropical 31.6°C (88.9°F), slightly varied from August's 31.1°C (88°F). Jatisura's average low-temperature during September nights is observed to be a pleasant 21.8°C (71.2°F).Heat index
September's mean heat index is computed to be a very hot 39°C (102.2°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
September and October, with an average relative humidity of 68%, are the least humid months.Rainfall
In Jatisura, during September, the rain falls for 12.5 days and regularly aggregates up to 30mm (1.18") of precipitation. In Jatisura, Indonesia, during the entire year, the rain falls for 269.5 days and collects up to 1589mm (62.56") of precipitation.Daylight
The average length of the day in September in Jatisura is 12h and 4min.On the first day of the month, sunrise is at 05:47 and sunset at 17:46. On the last day of September, sunrise is at 05:32 and sunset at 17:41 WIB.
Sunshine
In Jatisura, the average sunshine in September is 9.6h.UV index
The months with the highest UV index are January through May, July through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 7 in September translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jatisura, Indonesia
- Average high temperature in September: 31.6°C
The warmest month (with the highest average high temperature) is October (32.1°C).
The month with the lowest average high temperature is February (29.2°C).
- Average low temperature in September: 21.8°C
The months with the highest average low temperature are November and December (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.5°C).
Average pressure in September
Jatisura, Indonesia
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Jatisura, Indonesia
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is August (10.5km/h).
The calmest month (with the lowest average wind speed) is December (5.9km/h).
Average humidity in September
Jatisura, Indonesia
- Average humidity in September: 68%
The months with the highest relative humidity are February and March (81%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in September
Jatisura, Indonesia
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is March (259mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Jatisura, Indonesia
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is January (29.8 days).
The month with the least rainy days is August (10.1 days).
Average daylight in September /
Average sunshine in September
Jatisura, 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 42min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 8h and 6min).
Average sunshine days in September
Jatisura, Indonesia
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is February (0.2 days).
Average UV index in September
Jatisura, Indonesia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).
Average cloud cover in September
Jatisura, Indonesia
- Average cloud cover in September: 19
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Jatisura, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April and December (9km).





