September weather forecast
Hillsboro Acres, TN

Share

Weather in September

The first month of the autumn, September, is still a warm month in Hillsboro Acres, Tennessee, with an average temperature varying between 62.1°F (16.7°C) and 81.5°F (27.5°C).

Temperature

With the arrival of September, Hillsboro Acres notices a mild change in the average high-temperature, sliding from August's tropical 87.3°F (30.7°C) to a moderately hot 81.5°F (27.5°C). The average temperature during September nights is registered at a comfortable 62.1°F (16.7°C).

Heat index

During September, the heat index is calculated to be a tropical 86°F (30°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In September, the average relative humidity 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

May through September are months without snowfall.

Daylight

In Hillsboro Acres, the average length of the day in September is 12h and 23min.
On the first day of September, 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 Hillsboro Acres, the average sunshine in September is 8.6h.

UV index

In Hillsboro Acres, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In Hillsboro Acres, in September, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 62.1°F (16.7°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

What is the driest month?

September and November are months with the least rain when the rain falls for 13.6 days and typically aggregates up to 2.36" (60mm) of rain.

How many days does it rain in September?

In September, the rain falls for 13.6 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow?

In Hillsboro Acres, snow does not fall in May through September.

Does it snow in September?

In Hillsboro Acres, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Hillsboro Acres have in September?

In September, the average day length in Hillsboro Acres is 12h and 23min.

When are sunrise and sunset in September?

On the first day of September, 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.

How many hours of sunshine does Hillsboro Acres have in September?

In September, the average sunshine duration is 8.6h.

How high is the UV index in September?

The average daily maximum UV index in September in Hillsboro Acres is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hillsboro Acres, TN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location