September weather forecastTawangsari, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Tawangsari, Indonesia, with an average temperature ranging between max 29.4°C (84.9°F) and min 20.7°C (69.3°F).Temperature
A minor adjustment in Tawangsari's average high-temperature is noted with the start of September, touching a still moderately hot 29.4°C (84.9°F) from August's 28.7°C (83.7°F). Throughout September nights, Tawangsari registers an average low-temperature of 20.7°C (69.3°F).Heat index
September's average heat index is estimated at a torrid 35°C (95°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly meaningful for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 78%.Rainfall
In Tawangsari, in September, during 14.9 rainfall days, 54mm (2.13") of precipitation is typically accumulated. Throughout the year, there are 289.9 rainfall days, and 2050mm (80.71") 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 05:37 and sunset at 17:35. On the last day of September, in Tawangsari, Indonesia, sunrise is at 05:21 and sunset at 17:31 WIB.
Sunshine
In Tawangsari, the average sunshine in September is 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 threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tawangsari, Indonesia
- Average high temperature in September: 29.4°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: 20.7°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
Tawangsari, Indonesia
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Tawangsari, Indonesia
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is August (10km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).
Average humidity in September
Tawangsari, Indonesia
- Average humidity in September: 78%
The months with the highest relative humidity are January, February, March, April and May (85%).
The months with the lowest relative humidity are September and October (78%).
Average rainfall in September
Tawangsari, Indonesia
- Average rainfall in September: 54mm
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
Tawangsari, Indonesia
- Average rainfall days in September: 14.9 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
Tawangsari, 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: 9h and 0min
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
Tawangsari, Indonesia
- Average sunshine days in September: 9.9 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
Tawangsari, 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
Tawangsari, Indonesia
- Average cloud cover in September: 36
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
Tawangsari, 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).





