September weather forecastBorobudur, Indonesia
September
Weather in September
September, the first month of the spring in Borobudur, is also a moderately hot month, with an average temperature fluctuating between 19.1°C (66.4°F) and 27.2°C (81°F).Temperature
As Borobudur welcomes September, the average high-temperature is noted at a still warm 27.2°C (81°F), closely aligning with the preceding month. During the nights in September, Borobudur experiences a consistent average temperature of 19.1°C (66.4°F).Heat index
During September, the heat index is appraised at a hot 31°C (87.8°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. 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. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
September and October, with an average relative humidity of 83%, are the least humid months in Borobudur.Rainfall
In Borobudur, during September, the rain falls for 22.7 days and regularly aggregates up to 108mm (4.25") of precipitation. In Borobudur, during the entire year, the rain falls for 322.7 days and collects up to 3078mm (121.18") of precipitation.Daylight
The average length of the day in September is 12h and 4min.On the first day of September in Borobudur, sunrise is at 05:40 and sunset at 17:38. On the last day of the month, sunrise is at 05:24 and sunset at 17:34 WIB.
Sunshine
The average sunshine in September in Borobudur is 7.5h.UV index
The months with the highest UV index are January through October and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Borobudur, Indonesia
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is October (27.8°C).
The month with the lowest average high temperature is July (25.9°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is November (21.1°C).
The coldest month (with the lowest average low temperature) is August (18.3°C).
Average pressure in September
Borobudur, 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
Borobudur, Indonesia
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is September (7.2km/h).
The calmest month (with the lowest average wind speed) is April (4.4km/h).
Average humidity in September
Borobudur, Indonesia
- Average humidity in September: 83%
The month with the highest relative humidity is April (89%).
The months with the lowest relative humidity are September and October (83%).
Average rainfall in September
Borobudur, Indonesia
- Average rainfall in September: 108mm
The wettest month (with the highest rainfall) is March (404mm).
The driest month (with the least rainfall) is August (66mm).
Average rainfall days in September
Borobudur, Indonesia
- Average rainfall days in September: 22.7 days
The months with the highest number of rainy days are January and March (30.7 days).
The month with the least rainy days is August (21.1 days).
Average daylight in September /
Average sunshine in September
Borobudur, 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 30min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The months with the least sunshine are November and December (Average sunshine: 6h and 0min).
Average sunshine days in September
Borobudur, Indonesia
- Average sunshine days in September: 4.8 days
The months with the most sunshine days are July, August and September (4.8 days).
The month with the least sunshine days is March (0 days).
Average UV index in September
Borobudur, 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 and December (UV index 6).
The month with the lowest UV index is November (UV index 5).
Average cloud cover in September
Borobudur, Indonesia
- Average cloud cover in September: 53
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are June, August and September (Cloud cover 53).
Average visibility in September
Borobudur, Indonesia
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (7km).
The month with the lowest visibility is July (6km).
