September weather forecast
Nolensville, TN

Share

Weather in September

September, the first month of the autumn in Nolensville, is still a warm month, with an average temperature ranging between max 81.7°F (27.6°C) and min 62.8°F (17.1°C).

Temperature

As September commences, the average high-temperature subtly reduces, transitioning from a tropical 87.4°F (30.8°C) in August to a moderately hot 81.7°F (27.6°C). The average temperature during September nights dips to a comfortable 62.8°F (17.1°C).

Heat index

The heat index in September is calculated to be a hot 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. 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 'feels like' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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

The average relative humidity in September is 74%.

Rainfall

September and November are months with the least rain when the rain falls for 14 days and typically aggregates up to 2.32" (59mm) of rain.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Nolensville, Tennessee, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, in Nolensville, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 62.8°F (17.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 86°F (30°C).

What is the average humidity in September?

In Nolensville, Tennessee, the average relative humidity in September is 74%.

What is the driest month?

The months with the least rainfall are September and November Rain falls for 14 days and accumulates 2.32" (59mm) of rain.

How many days does it rain in September?

In September, the rain falls for 14 days. Throughout September, 2.32" (59mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:19 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

How many hours of sunshine does Nolensville have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September in Nolensville?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Nolensville, TN

Average temperature in September - Nolensville, TN
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in September: 62.8°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 (30.7°F).

Average pressure in September
Nolensville, TN

Average pressure in September - Nolensville, 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
Nolensville, TN

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

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Nolensville, TN

Average humidity in September - Nolensville, TN
  • Average humidity in September: 74%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Nolensville, TN

Average rainfall in September - Nolensville, TN
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is July (4.41").
The driest months (with the least rainfall) are September and November (2.32").

Average rainfall days in September
Nolensville, TN

Average rainfall days in September - Nolensville, TN
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is November (9.8 days).

Average snowfall in September
Nolensville, TN

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

The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Nolensville, TN

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

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Nolensville, TN

Average daylight in September / Average sunshine in September - Nolensville, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Nolensville, TN

Average sunshine days in September - Nolensville, TN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in September
Nolensville, TN

Average UV index in September - Nolensville, 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
Nolensville, TN

Average cloud cover in September - Nolensville, 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
Nolensville, TN

Average visibility in September - Nolensville, 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).

Nolensville, Tennessee, USA

Weather forecast for your location

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