September weather forecast
Twin Oaks, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Twin Oaks, Tennessee, with an average temperature fluctuating between 61°F (16.1°C) and 81.9°F (27.7°C).

Temperature

The arrival of September correlates with a minor temperature reduction, down from August's hot 87.4°F (30.8°C) to a moderately hot 81.9°F (27.7°C). Twin Oaks sees an average low-temperature of 61°F (16.1°C) during September.

Heat index

The heat index for September is computed to be a hot 87.8°F (31°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. 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 'felt air temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The months with the lowest humidity are June through November, with an average relative humidity of 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

In Twin Oaks, snow does not fall in April through October.

Daylight

The average length of the day in September in Twin Oaks is 12h and 23min.
On the first day of the month, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:24 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The average high-temperature, in September, in Twin Oaks, is 81.9°F (27.7°C), while the average low-temperature is 61°F (16.1°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the least humid month in Twin Oaks?

June through November, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in September?

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

What is the driest month?

The month with the least rainfall in Twin Oaks is September, when the rain falls for 11.1 days and typically collects 1.3" (33mm) of precipitation.

How many days does it rain in September?

In Twin Oaks, in September, during 11.1 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

When it does not snow?

In Twin Oaks, snow does not fall in April through October.

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

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

When are sunrise and sunset in September in Twin Oaks?

In September, on the first day of the month, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of the month, in Twin Oaks, sunrise is at 7:34 am and sunset at 7:24 pm EDT.

How long on average sun shines 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 estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Twin Oaks, TN

Average temperature in September - Twin Oaks, TN
  • Average high temperature in September: 81.9°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 (46.4°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in September
Twin Oaks, TN

Average pressure in September - Twin Oaks, TN
  • Average pressure in September: 30.03"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
Twin Oaks, TN

Average wind speed in September - Twin Oaks, TN
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in September
Twin Oaks, TN

Average humidity in September - Twin Oaks, TN
  • Average humidity in September: 75%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

Average rainfall in September
Twin Oaks, TN

Average rainfall in September - Twin Oaks, TN
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in September
Twin Oaks, TN

Average rainfall days in September - Twin Oaks, TN
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in September
Twin Oaks, TN

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

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Twin Oaks, TN

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

The month with the highest number of snowfall days is February (1.7 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
Twin Oaks, TN

Average daylight in September / Average sunshine in September - Twin 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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Twin Oaks, TN

Average sunshine days in September - Twin Oaks, TN
  • Average sunshine days in September: 16.4 days

The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in September
Twin Oaks, TN

Average UV index in September - Twin 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
Twin Oaks, TN

Average cloud cover in September - Twin Oaks, TN
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in September
Twin Oaks, TN

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

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

Twin Oaks, Tennessee, USA

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