September weather forecastBubulak, Indonesia
September
Weather in September
September, the first month of the spring in Bubulak, is still a hot month, with an average temperature varying between 25.8°C (78.4°F) and 30.4°C (86.7°F).Temperature
With the advent of September, Bubulak experiences an average high-temperature of a still hot 30.4°C (86.7°F), mirroring a close resemblance to the previous month. A minimal decline in temperature from daytime highs is anticipated throughout the September nights, averaging a moderately hot 25.8°C (78.4°F).Heat index
Throughout September, the heat index is evaluated at a very hot 36°C (96.8°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 69%.Rainfall
In Bubulak, in September, during 15.3 rainfall days, 46mm (1.81") of precipitation is typically accumulated. Throughout the year, there are 256.9 rainfall days, and 1138mm (44.8") of precipitation is accumulated.Daylight
In September, the average length of the day in Bubulak, Indonesia, is 12h and 4min.On the first day of the month, sunrise is at 05:53 and sunset at 17:52. On the last day of September, sunrise is at 05:38 and sunset at 17:47 WIB.
Sunshine
The average sunshine in September is 9.5h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 during September translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bubulak, Indonesia
- Average high temperature in September: 30.4°C
The warmest month (with the highest average high temperature) is October (31°C).
The month with the lowest average high temperature is February (29.5°C).
- Average low temperature in September: 25.8°C
The month with the highest average low temperature is November (26.9°C).
The coldest month (with the lowest average low temperature) is July (25.4°C).
Average pressure in September
Bubulak, Indonesia
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Bubulak, Indonesia
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is January (13.6km/h).
The calmest month (with the lowest average wind speed) is November (9.3km/h).
Average humidity in September
Bubulak, Indonesia
- Average humidity in September: 69%
The month with the highest relative humidity is February (76%).
The months with the lowest relative humidity are September and October (69%).
Average rainfall in September
Bubulak, Indonesia
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is February (145mm).
The driest month (with the least rainfall) is August (40mm).
Average rainfall days in September
Bubulak, Indonesia
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is March (25.5 days).
The month with the least rainy days is August (13.4 days).
Average daylight in September /
Average sunshine in September
Bubulak, 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 March (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).
Average sunshine days in September
Bubulak, Indonesia
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is April (4 days).
Average UV index in September
Bubulak, Indonesia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Bubulak, Indonesia
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Bubulak, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
