September weather forecastHill Acres, TN
September
Weather in September
September, the first month of the autumn in Hill Acres, is still a warm month, with an average temperature fluctuating between 81.9°F (27.7°C) and 61°F (16.1°C).Temperature
As Hill Acres enters September, the average high-temperature subtly lowers from the a tropical 87.4°F (30.8°C) of August to a moderately hot 81.9°F (27.7°C). Hill Acres encounters an average low-temperature of 61°F (16.1°C) during September nights.Heat index
September's mean heat index is computed to be a hot 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Note that heat index values are valued for light wind and location in the shade. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
June through November, with an average relative humidity of 75%, are the least humid months in Hill Acres.Rainfall
The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 1.3" (33mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:24 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 during September translates into the following guidance:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hill Acres, TN
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Hill Acres, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Hill Acres, TN
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Hill Acres, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).
Average rainfall in September
Hill Acres, TN
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in September
Hill Acres, TN
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in September
Hill Acres, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Hill Acres, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hill Acres, TN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Hill Acres, TN
- Average sunshine days in September: 16.4 days
The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in September
Hill Acres, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Hill Acres, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Hill Acres, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).
