September weather forecast
Arrington, TN

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Weather in September

September, the first month of the autumn in Arrington, is also a moderately hot month, with an average temperature fluctuating between 62.8°F (17.1°C) and 81.7°F (27.6°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from a tropical 87.4°F (30.8°C) in August to a moderately hot 81.7°F (27.6°C). During the month of September, the nighttime temperature in Arrington falls to an average of 62.8°F (17.1°C).

Heat index

Throughout September, the heat index is appraised at a tropical 86°F (30°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

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

In Arrington, snow does not fall in May through October.

Daylight

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

Sunshine

In September, the average sunshine in Arrington is 8.6h.

UV index

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 the ordinary person.
Note: In September, the maximum UV index of 5 suggests this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Arrington, is 81.7°F (27.6°C), while the low-temperature averages to 62.8°F (17.1°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in September is appraised at 86°F (30°C).

What is the average humidity in September?

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

What is the driest month?

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.

How much does it rain in September?

In Arrington, during September, the rain falls for 14 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Arrington have in September?

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

What time are sunrise and 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 Arrington have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Arrington, TN

Average temperature in September - Arrington, 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
Arrington, TN

Average pressure in September - Arrington, 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
Arrington, TN

Average wind speed in September - Arrington, 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
Arrington, TN

Average humidity in September - Arrington, 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
Arrington, TN

Average rainfall in September - Arrington, 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
Arrington, TN

Average rainfall days in September - Arrington, 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
Arrington, TN

Average snowfall in September - Arrington, 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
Arrington, TN

Average snowfall days in September - Arrington, 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
Arrington, TN

Average daylight in September / Average sunshine in September - Arrington, 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
Arrington, TN

Average sunshine days in September - Arrington, 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
Arrington, TN

Average UV index in September - Arrington, 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
Arrington, TN

Average cloud cover in September - Arrington, 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
Arrington, TN

Average visibility in September - Arrington, 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).

Arrington, Tennessee, USA

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