September weather forecast
Three Way, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Three Way, Tennessee, with an average temperature fluctuating between 63.3°F (17.4°C) and 82.8°F (28.2°C).

Temperature

The transition from August to September sees average high-temperatures adjusting to a warm 82.8°F (28.2°C), from a not significantly different 87.3°F (30.7°C). During September, the average low-temperature in Three Way is a refreshing 63.3°F (17.4°C).

Heat index

The average heat index in September is appraised at a tropical 87.8°F (31°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. 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 'real feel' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Three Way, the average relative humidity in September is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11 days and typically collects 1.34" (34mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day in Three Way is 12h and 23min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:40 pm CDT.

Sunshine

In Three Way, Tennessee, the average sunshine in September is 9.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

How hot is it in Three Way in September?

In Three Way, in September, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 87.8°F (31°C).

What is the average humidity in September in Three Way?

In Three Way, the average relative humidity in September is 73%.

What is the driest month in Three Way?

The month with the least rainfall is September, when the rain falls for 11 days and typically collects 1.34" (34mm) of precipitation.

How much does it rain in Three Way in September?

In Three Way, Tennessee, in September, it is raining for 11 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow in Three Way?

In Three Way, Tennessee, snow does not fall in April through October.

What is the average length of the day in September in Three Way?

The average day length in September in Three Way, Tennessee, is 12h and 23min.

When are sunrise and sunset in September in Three Way?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:22 pm. On the last day of the month, in Three Way, Tennessee, sunrise is at 6:50 am and sunset at 6:40 pm CDT.

How long on average sun shines in September in Three Way?

In Three Way, the average sunshine duration in September is 9.4h.

How high is the UV index in September in Three Way?

The average daily maximum UV index in September in Three Way is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Three Way, TN

Average temperature in September - Three Way, TN
  • Average high temperature in September: 82.8°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 (45°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in September
Three Way, TN

Average pressure in September - Three Way, TN
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
Three Way, TN

Average wind speed in September - Three Way, TN
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).

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Average humidity in September
Three Way, TN

Average humidity in September - Three Way, TN
  • Average humidity in September: 73%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Three Way, TN

Average rainfall in September - Three Way, TN
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is February (3.5").
The driest month (with the least rainfall) is September (1.34").

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Average rainfall days in September
Three Way, TN

Average rainfall days in September - Three Way, TN
  • Average rainfall days in September: 11 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).

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Average snowfall in September
Three Way, TN

Average snowfall in September - Three Way, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Three Way, TN

Average snowfall days in September - Three Way, TN
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Three Way, TN

Average daylight in September / Average sunshine in September - Three Way, 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: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
Three Way, TN

Average sunshine days in September - Three Way, TN
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12 days).

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Average UV index in September
Three Way, TN

Average UV index in September - Three Way, TN
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).

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Average cloud cover in September
Three Way, TN

Average cloud cover in September - Three Way, TN
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in September
Three Way, TN

Average visibility in September - Three Way, 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).

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Three Way, Tennessee, USA

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