September weather forecastMranggen, Indonesia
September
Weather in September
The first month of the spring, September, is still a hot month in Mranggen, Indonesia, with temperature in the range of an average high of 34°C (93.2°F) and an average low of 23°C (73.4°F).Temperature
September's onset sees an average high-temperature of a still hot 34°C (93.2°F), exhibiting a slight fluctuation from the previous month. Mranggen records an average low-temperature of 23°C (73.4°F) throughout the month of September.Heat index
September's heat index is evaluated at a blisteringly hot 44°C (111.2°F). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.Note that heat index values are valued for light wind and location in the shade. 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 'real feel' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The least humid month is September, with an average relative humidity of 65%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 34mm (1.34") of precipitation is accumulated. In Mranggen, during the entire year, the rain falls for 250.9 days and collects up to 1354mm (53.31") of precipitation.Daylight
The average length of the day in September in Mranggen is 12h and 4min.On the first day of the month, sunrise is at 05:38 and sunset at 17:37. On the last day of September, sunrise is at 05:22 and sunset at 17:32 WIB.
Sunshine
The average sunshine in September in Mranggen, Indonesia, is 9.5h.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mranggen, Indonesia
- Average high temperature in September: 34°C
The warmest month (with the highest average high temperature) is October (34.2°C).
The month with the lowest average high temperature is January (30.1°C).
- Average low temperature in September: 23°C
The month with the highest average low temperature is November (24°C).
The coldest month (with the lowest average low temperature) is July (21.9°C).
Average pressure in September
Mranggen, Indonesia
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is August (1011.3mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Mranggen, Indonesia
- Average wind speed in September: 7.5km/h
The windiest month (with the highest average wind speed) is January (7.7km/h).
The calmest month (with the lowest average wind speed) is April (4.9km/h).
Average humidity in September
Mranggen, Indonesia
- Average humidity in September: 65%
The months with the highest relative humidity are February and April (84%).
The month with the lowest relative humidity is September (65%).
Average rainfall in September
Mranggen, Indonesia
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is March (231mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Mranggen, Indonesia
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is March (28.3 days).
The month with the least rainy days is August (9.4 days).
Average daylight in September /
Average sunshine in September
Mranggen, 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 30min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 36min).
Average sunshine days in September
Mranggen, Indonesia
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (20.4 days).
The month with the least sunshine days is February (1.3 days).
Average UV index in September
Mranggen, 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
Mranggen, Indonesia
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Mranggen, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March and April (8km).





