September weather forecastPrambanan, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Prambanan, Indonesia, with an average temperature fluctuating between 27.6°C (81.7°F) and 19°C (66.2°F).Temperature
September's presence marks an average high-temperature of a still moderately hot 27.6°C (81.7°F), subtly varied from August's 26.9°C (80.4°F). September nights experience a consistent temperature drop to a comfortable 19°C (66.2°F).Heat index
In September, the heat index is evaluated at a tropical 31°C (87.8°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The least humid month is September, with an average relative humidity of 82%.Rainfall
In Prambanan, Indonesia, in September, during 23.3 rainfall days, 111mm (4.37") of precipitation is typically accumulated. In Prambanan, during the entire year, the rain falls for 323.5 days and collects up to 3010mm (118.5") of precipitation.Daylight
In Prambanan, the average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:38 and sunset at 17:36. On the last day of September, sunrise is at 05:22 and sunset at 17:32 WIB.
Sunshine
The months with the most sunshine are August and September, with an average of 7.6h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 6 in September translates into this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Prambanan, Indonesia
- Average high temperature in September: 27.6°C
The warmest month (with the highest average high temperature) is October (28.1°C).
The month with the lowest average high temperature is July (26.1°C).
- Average low temperature in September: 19°C
The months with the highest average low temperature are January and November (21°C).
The coldest month (with the lowest average low temperature) is August (18.4°C).
Average pressure in September
Prambanan, Indonesia
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is August (1011.7mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in September
Prambanan, Indonesia
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is September (7.6km/h).
The calmest month (with the lowest average wind speed) is April (4.6km/h).
Average humidity in September
Prambanan, Indonesia
- Average humidity in September: 82%
The months with the highest relative humidity are February and April (89%).
The month with the lowest relative humidity is September (82%).
Average rainfall in September
Prambanan, Indonesia
- Average rainfall in September: 111mm
The wettest month (with the highest rainfall) is March (391mm).
The driest month (with the least rainfall) is August (70mm).
Average rainfall days in September
Prambanan, Indonesia
- Average rainfall days in September: 23.3 days
The month with the highest number of rainy days is March (30.3 days).
The month with the least rainy days is August (22.6 days).
Average daylight in September /
Average sunshine in September
Prambanan, 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: 7h and 36min
The months with the most sunshine are August and September (Average sunshine: 7h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in September
Prambanan, Indonesia
- Average sunshine days in September: 3.5 days
The month with the most sunshine days is July (4.3 days).
The months with the least sunshine days are March and April (0.3 days).
Average UV index in September
Prambanan, Indonesia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Prambanan, Indonesia
- Average cloud cover in September: 53
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are August and September (Cloud cover 53).
Average visibility in September
Prambanan, Indonesia
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, June, August, September, October, November and December (7km).
The months with the lowest visibility are April, May and July (6km).
