September weather forecast
New Union, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in New Union, Tennessee, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 61°F (16.1°C).

Temperature

As August transitions into September, New Union records an average high-temperature of a still warm 80.6°F (27°C), showing a gentle shift from the preceding month. New Union observes an average low-temperature of 61°F (16.1°C) during September nights.

Heat index

The heat index for September is estimated at 84.2°F (29°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

In September, the average relative humidity is 76%.

Rainfall

September is the month with the least rainfall. Rain falls for 14.1 days and accumulates 2.28" (58mm) of precipitation.

Snowfall

In New Union, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

Sunshine

In New Union, Tennessee, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What are September temperatures in New Union?

The average high-temperature and low-temperature in New Union during September are 80.6°F (27°C) and 61°F (16.1°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is estimated at 84.2°F (29°C).

What is the average humidity in September in New Union?

In New Union, Tennessee, the average relative humidity in September is 76%.

What is the driest month in New Union?

September is the month with the least rainfall in New Union. Rain falls for 14.1 days and accumulates 2.28" (58mm) of precipitation.

How many days does it rain in September in New Union?

In New Union, in September, it is raining for 14.1 days, with typically 2.28" (58mm) of accumulated precipitation.

When it does not snow in New Union?

In New Union, Tennessee, snow does not fall in May through October.

How many hours of daylight does New Union have in September?

In September, the average day length in New Union, Tennessee, is 12h and 23min.

What time are sunrise and sunset in September in New Union?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:11 pm. On the last day of the month, in New Union, Tennessee, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

How long on average sun shines in September in New Union?

In September, the average sunshine duration in New Union is 8.3h.

What is the UV index reading in September in New Union?

In New Union, 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 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
New Union, TN

Average temperature in September - New Union, TN
  • Average high temperature in September: 80.6°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

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Average pressure in September
New Union, TN

Average pressure in September - New Union, 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 (29.98"Hg).

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Average wind speed in September
New Union, TN

Average wind speed in September - New Union, TN
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in September
New Union, TN

Average humidity in September - New Union, TN
  • Average humidity in September: 76%

The months with the highest relative humidity are March and December (80%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in September
New Union, TN

Average rainfall in September - New Union, TN
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is September (2.28").

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Average rainfall days in September
New Union, TN

Average rainfall days in September - New Union, TN
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in September
New Union, TN

Average snowfall in September - New Union, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
New Union, TN

Average snowfall days in September - New Union, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
New Union, TN

Average daylight in September / Average sunshine in September - New Union, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in September
New Union, TN

Average sunshine days in September - New Union, TN
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (8.1 days).

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Average UV index in September
New Union, TN

Average UV index in September - New Union, 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).

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Average cloud cover in September
New Union, TN

Average cloud cover in September - New Union, TN
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in September
New Union, TN

Average visibility in September - New Union, TN
  • Average visibility in September: 6mi

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

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New Union, Tennessee, USA

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