September weather forecast
Brookhill, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Brookhill, Tennessee, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 61.9°F (16.6°C).

Temperature

The transition to September results in a modest reduction in average high-temperature, moving from a tropical 86.9°F (30.5°C) in August to a moderately hot 81.5°F (27.5°C). Nighttime temperatures in September average to an enjoyable 61.9°F (16.6°C) in Brookhill.

Heat index

The heat index for September is computed to be a hot 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In Brookhill, the average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 8 days and accumulates 0.39" (10mm) of precipitation.

Snowfall

In Brookhill, Tennessee, snow does not fall in April through October.

Daylight

In Brookhill, the average length of the day in September is 12h and 23min.
On the first day of September in Brookhill, sunrise is at 6:18 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:30 pm CDT.

Sunshine

The average sunshine in September in Brookhill is 8.6h.

UV index

In Brookhill, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, a regular UV index of 5 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Brookhill in September?

In Brookhill, 81.5°F (27.5°C) is the average high-temperature and 61.9°F (16.6°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 86°F (30°C).

What is the average humidity in September in Brookhill?

In September, the average relative humidity in Brookhill, Tennessee, is 75%.

What is the driest month in Brookhill?

September is the month with the least rainfall in Brookhill. Rain falls for 8 days and accumulates 0.39" (10mm) of precipitation.

How much does it rain in Brookhill in September?

In Brookhill, in September, during 8 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

When it does not snow in Brookhill?

In Brookhill, Tennessee, snow does not fall in April through October.

How many hours of daylight does Brookhill have in September?

The average day length in September in Brookhill is 12h and 23min.

When are sunrise and sunset in September in Brookhill?

On the first day of September in Brookhill, Tennessee, sunrise is at 6:18 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:30 pm CDT.

How long on average sun shines in September in Brookhill?

In Brookhill, the average sunshine duration in September is 8.6h.

What is the UV index reading in September in Brookhill?

In Brookhill, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Brookhill, TN

Average temperature in September - Brookhill, TN
  • Average high temperature in September: 81.5°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 (45.1°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in September
Brookhill, TN

Average pressure in September - Brookhill, 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
Brookhill, TN

Average wind speed in September - Brookhill, TN
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Brookhill, TN

Average humidity in September - Brookhill, TN
  • Average humidity in September: 75%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Brookhill, TN

Average rainfall in September - Brookhill, TN
  • Average rainfall in September: 0.39"

The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in September
Brookhill, TN

Average rainfall days in September - Brookhill, TN
  • Average rainfall days in September: 8 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in September
Brookhill, TN

Average snowfall in September - Brookhill, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Brookhill, TN

Average snowfall days in September - Brookhill, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.8 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
Brookhill, TN

Average daylight in September / Average sunshine in September - Brookhill, TN
  • Average daylight in September: 12h and 2min

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 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Brookhill, TN

Average sunshine days in September - Brookhill, TN
  • Average sunshine days in September: 18.9 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in September
Brookhill, TN

Average UV index in September - Brookhill, 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
Brookhill, TN

Average cloud cover in September - Brookhill, TN
  • Average cloud cover in September: 31

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
Brookhill, TN

Average visibility in September - Brookhill, 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).

Brookhill, Tennessee, USA

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