Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A moderate decline in average high-temperatures is noted in September, moving from a tropical 87.3°F (30.7°C) in August to a warm 81.5°F (27.5°C). In September, the temperature drops to an average of 62.1°F (16.7°C) at night.Heat index
September's heat index is estimated at a tropical 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 75%.Rainfall
The months with the least rainfall in Hillsboro Acres are September and November Rain falls for 13.6 days and accumulates 2.36" (60mm) of rain.Snowfall
In Hillsboro Acres, snow does not fall in May through September.Daylight
The average length of the day in September in Hillsboro Acres is 12h and 23min.On the first day of September in Hillsboro Acres, sunrise is at 6:19 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:32 pm CDT.
Sunshine
In September, the average sunshine in Hillsboro Acres is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: An average UV index of 5 in September transforms into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the usual temperature for Hillsboro Acres in September?
What is the average humidity in September in Hillsboro Acres?
What is the driest month in Hillsboro Acres?
How many days does it rain in September in Hillsboro Acres?
When it does not snow in Hillsboro Acres?
Does it snow in Hillsboro Acres in September?
What is the average length of the day in September in Hillsboro Acres?
What time are sunrise and sunset in September in Hillsboro Acres?
How many hours of sunshine does Hillsboro Acres have in September?
How high is the UV index in September in Hillsboro Acres?
Average temperature in September
Hillsboro Acres, TN
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 62.1°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Hillsboro Acres, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Hillsboro Acres, TN
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in September
Hillsboro Acres, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in September
Hillsboro Acres, TN
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is July (4.37").
The driest months (with the least rainfall) are September and November (2.36").
Average rainfall days in September
Hillsboro Acres, TN
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10 days).
Average snowfall in September
Hillsboro Acres, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hillsboro Acres, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Hillsboro Acres, TN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Hillsboro Acres, TN
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Hillsboro 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 and December (UV index 2).
Average cloud cover in September
Hillsboro Acres, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Hillsboro Acres, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hillsboro Acres, Tennessee, USA
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