September weather forecast
Estill Springs, TN

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Weather in September

In September, Estill Springs, Tennessee, begins its descent towards cooler temperatures, a clear indication of the approaching fall. The summer heat dissipates, setting the tone for the fall season. Rainfall sees a significant dip to 2.2" (56mm) distributed over 14.3 days. Gradually, the scenery starts to morph, introducing the city to the early colours of Fall. As leaves start changing colours, the city prepares for the impending crispness in the air and coziness that comes along with autumn.

Temperature

Estill Springs records an average high-temperature of a still moderately hot 80.6°F (27°C) in September, closely mirroring the climate of the previous month. September in Estill Springs is noted for a mean low-temperature of 61°F (16.1°C).

Heat index

The heat index for September is estimated at 84.2°F (29°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

The average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall in Estill Springs. Rain falls for 14.3 days and accumulates 2.2" (56mm) of precipitation.

Snowfall

In Estill Springs, 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 September, sunrise is at 6:17 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, the UV index of 5 transforms into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What are September temperatures in Estill Springs?

Estill Springs in September has an average high-temperature of 80.6°F (27°C) and an average low-temperature of 61°F (16.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 84.2°F (29°C).

What is the average humidity in September in Estill Springs?

The average relative humidity in September in Estill Springs, Tennessee, is 77%.

What is the driest month in Estill Springs?

The month with the least rainfall in Estill Springs, Tennessee, is September, when the rain falls for 14.3 days and typically collects 2.2" (56mm) of precipitation.

How many days does it rain in September in Estill Springs?

In September, in Estill Springs, the rain falls for 14.3 days. Throughout September, 2.2" (56mm) of precipitation is accumulated.

When it does not snow in Estill Springs?

May through October are months without snowfall in Estill Springs.

How many hours of daylight does Estill Springs have in September?

In September, the average day length in Estill Springs is 12h and 23min.

When is the sunrise / sunset in September in Estill Springs?

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 Estill Springs, Tennessee, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

How many hours of sunshine does Estill Springs have in September?

In Estill Springs, Tennessee, the average sunshine duration in September is 8.4h.

How high is the UV index in September in Estill Springs?

In Estill Springs, Tennessee, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Estill Springs, TN

Average temperature in September - Estill Springs, TN
  • Average high temperature in September: 80.6°F

The warmest month (with the highest average high temperature) is July (86.5°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 (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

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Average pressure in September
Estill Springs, TN

Average pressure in September - Estill Springs, 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
Estill Springs, TN

Average wind speed in September - Estill Springs, TN
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

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Average humidity in September
Estill Springs, TN

Average humidity in September - Estill Springs, TN
  • Average humidity in September: 77%

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
Estill Springs, TN

Average rainfall in September - Estill Springs, TN
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is February (4.45").
The driest month (with the least rainfall) is September (2.2").

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Average rainfall days in September
Estill Springs, TN

Average rainfall days in September - Estill Springs, TN
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10.1 days).

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Average snowfall in September
Estill Springs, TN

Average snowfall in September - Estill Springs, TN
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Estill Springs, TN

Average snowfall days in September - Estill Springs, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3 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
Estill Springs, TN

Average daylight in September / Average sunshine in September - Estill Springs, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Estill Springs, TN

Average sunshine days in September - Estill Springs, TN
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (8.9 days).

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Average UV index in September
Estill Springs, TN

Average UV index in September - Estill Springs, 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
Estill Springs, TN

Average cloud cover in September - Estill Springs, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Estill Springs, TN

Average visibility in September - Estill Springs, 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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Estill Springs, Tennessee, USA

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