September weather forecast
Twelve Oaks, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Twelve Oaks, Tennessee, with an average temperature ranging between max 81.1°F (27.3°C) and min 59.9°F (15.5°C).

Temperature

The arrival of September correlates with a minor temperature reduction, down from August's hot 86.7°F (30.4°C) to a moderately hot 81.1°F (27.3°C). During September nights, Twelve Oaks witnesses a consistent average temperature of 59.9°F (15.5°C).

Heat index

In September, the heat index is appraised at a tropical 86°F (30°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 0.94" (24mm) of precipitation.

Snowfall

April through September are months without snowfall in Twelve Oaks.

Daylight

In Twelve Oaks, Tennessee, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 7:08 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:20 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Twelve Oaks, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

What are the temperatures in September?

In September, the average high-temperature and low-temperature are 81.1°F (27.3°C) and 59.9°F (15.5°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 0.94" (24mm) of precipitation.

How much does it rain in September?

In Twelve Oaks, during September, the rain falls for 10.6 days and regularly aggregates up to 0.94" (24mm) of precipitation.

When it does not snow?

April through September are months without snowfall.

Does it snow in September?

In Twelve Oaks, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Twelve Oaks have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:08 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:20 pm EDT.

How long on average sun shines in September?

In Twelve Oaks, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September?

In Twelve Oaks, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Twelve Oaks, TN

Average temperature in September - Twelve Oaks, TN
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in September
Twelve Oaks, TN

Average pressure in September - Twelve Oaks, TN
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Twelve Oaks, TN

Average wind speed in September - Twelve Oaks, TN
  • Average wind speed in September: 3.8mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in September
Twelve Oaks, TN

Average humidity in September - Twelve Oaks, TN
  • Average humidity in September: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September
Twelve Oaks, TN

Average rainfall in September - Twelve Oaks, TN
  • Average rainfall in September: 0.94"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").

Average rainfall days in September
Twelve Oaks, TN

Average rainfall days in September - Twelve Oaks, TN
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in September
Twelve Oaks, TN

Average snowfall in September - Twelve Oaks, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in September
Twelve Oaks, TN

Average snowfall days in September - Twelve Oaks, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.4 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
Twelve Oaks, TN

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

Average sunshine days in September
Twelve Oaks, TN

Average sunshine days in September - Twelve Oaks, TN
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

Average UV index in September
Twelve Oaks, TN

Average UV index in September - Twelve Oaks, 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
Twelve Oaks, TN

Average cloud cover in September - Twelve Oaks, TN
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in September
Twelve Oaks, TN

Average visibility in September - Twelve Oaks, TN
  • Average visibility in September: 6mi

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

Twelve Oaks, Tennessee, USA

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