September weather forecast
Staunton Mill, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Staunton Mill, Tennessee, with an average temperature ranging between min 56.5°F (13.6°C) and max 79°F (26.1°C).

Temperature

Staunton Mill records a slight change with September's average high-temperatures adjusting to a still moderately hot 79°F (26.1°C) from August's 83.8°F (28.8°C). Staunton Mill observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 56.5°F (13.6°C) throughout the month of September.

Humidity

In September, the average relative humidity is 76%.

Rainfall

September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 1.65" (42mm) of precipitation.

Snowfall

In Staunton Mill, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 7:03 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:16 pm EDT.

Sunshine

In Staunton Mill, the average sunshine in September is 8.7h.

UV index

In Staunton Mill, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Staunton Mill?

Staunton Mill in September has an average high-temperature of 79°F (26.1°C) and an average low-temperature of 56.5°F (13.6°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 91.4°F (33°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

What is the driest month?

September is the month with the least rainfall in Staunton Mill. Rain falls for 14.2 days and accumulates 1.65" (42mm) of precipitation.

How many days does it rain in September?

In September, in Staunton Mill, the rain falls for 14.2 days. Throughout September, 1.65" (42mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

In Staunton Mill, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Staunton Mill have in September?

In September, the average day length is 12h and 24min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:03 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:16 pm EDT.

How many hours of sunshine does Staunton Mill have in September?

In Staunton Mill, the average sunshine duration in September is 8.7h.

How high is the UV index in September?

In Staunton Mill, the average daily maximum UV index in September is 4. A UV Index 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
Staunton Mill, TN

Average temperature in September - Staunton Mill, TN
  • Average high temperature in September: 79°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (43.2°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Staunton Mill, TN

Average pressure in September - Staunton Mill, TN
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Staunton Mill, TN

Average wind speed in September - Staunton Mill, TN
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in September
Staunton Mill, TN

Average humidity in September - Staunton Mill, TN
  • Average humidity in September: 76%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in September
Staunton Mill, TN

Average rainfall in September - Staunton Mill, TN
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
Staunton Mill, TN

Average rainfall days in September - Staunton Mill, TN
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in September
Staunton Mill, TN

Average snowfall in September - Staunton Mill, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Staunton Mill, TN

Average snowfall days in September - Staunton Mill, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Staunton Mill, TN

Average daylight in September / Average sunshine in September - Staunton Mill, 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 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in September
Staunton Mill, TN

Average sunshine days in September - Staunton Mill, TN
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September
Staunton Mill, TN

Average UV index in September - Staunton Mill, TN
  • Average UV index in September: 4

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
Staunton Mill, TN

Average cloud cover in September - Staunton Mill, TN
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in September
Staunton Mill, TN

Average visibility in September - Staunton Mill, TN
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Staunton Mill, Tennessee, USA

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