September weather forecast
Mashburn, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Mashburn, Tennessee, with an average temperature varying between 81.3°F (27.4°C) and 59.9°F (15.5°C).

Temperature

A moderate decline in average high-temperatures is noted in September, moving from a tropical 86.9°F (30.5°C) in August to a moderately hot 81.3°F (27.4°C). During September nights, Mashburn records an average temperature of 59.9°F (15.5°C).

Heat index

During September, the heat index is appraised at a tropical 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 8.7 days and accumulates 0.79" (20mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day in Mashburn, Tennessee, is 12h and 23min.
On the first day of September in Mashburn, sunrise is at 7:10 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What are the temperatures in Mashburn in September?

During September, Mashburn experiences an average high-temperature of 81.3°F (27.4°C) and a low-temperature of 59.9°F (15.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is appraised at 86°F (30°C).

What are the least humid months in Mashburn?

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

What is the average humidity in September in Mashburn?

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

What is the driest month in Mashburn?

The month with the least rainfall in Mashburn, Tennessee, is September, when the rain falls for 8.7 days and typically collects 0.79" (20mm) of precipitation.

How much does it rain in Mashburn in September?

In Mashburn, Tennessee, during September, the rain falls for 8.7 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Mashburn?

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

How many hours of daylight does Mashburn have in September?

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

When are sunrise and sunset in September in Mashburn?

On the first day of September in Mashburn, sunrise is at 7:10 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

How many hours of sunshine does Mashburn have in September?

In September, the average sunshine duration in Mashburn, Tennessee, is 8.6h.

What is the UV index reading in September in Mashburn?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Mashburn, TN

Average temperature in September - Mashburn, TN
  • Average high temperature in September: 81.3°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 (46°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in September
Mashburn, TN

Average pressure in September - Mashburn, 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).

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Average wind speed in September
Mashburn, TN

Average wind speed in September - Mashburn, TN
  • Average wind speed in September: 4.3mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).

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Average humidity in September
Mashburn, TN

Average humidity in September - Mashburn, TN
  • Average humidity in September: 75%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

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Average rainfall in September
Mashburn, TN

Average rainfall in September - Mashburn, TN
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is September (0.79").

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Average rainfall days in September
Mashburn, TN

Average rainfall days in September - Mashburn, TN
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (6.7 days).

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Average snowfall in September
Mashburn, TN

Average snowfall in September - Mashburn, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.47").
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
Mashburn, TN

Average snowfall days in September - Mashburn, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.5 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
Mashburn, TN

Average daylight in September / Average sunshine in September - Mashburn, 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 months with the least sunshine are January and December (Average sunshine: 5h and 6min).

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Average sunshine days in September
Mashburn, TN

Average sunshine days in September - Mashburn, TN
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (15.3 days).

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Average UV index in September
Mashburn, TN

Average UV index in September - Mashburn, 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).

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Average cloud cover in September
Mashburn, TN

Average cloud cover in September - Mashburn, TN
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in September
Mashburn, TN

Average visibility in September - Mashburn, TN
  • Average visibility in September: 6mi

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

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Mashburn, Tennessee, USA

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