September weather forecast
Big Sandy, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Big Sandy, Tennessee, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 82.4°F (28°C).

Temperature

A mild drop in Big Sandy's average high-temperature is observed in September, transitioning from a hot 88.3°F (31.3°C) in August to a moderately hot 82.4°F (28°C). Throughout the month of September, Big Sandy reports a steady low-temperature average of 62.6°F (17°C).

Heat index

The heat index value for September is evaluated at a hot 87.8°F (31°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In Big Sandy, the average relative humidity in September is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 10.1 days and typically collects 0.75" (19mm) of precipitation.

Snowfall

In Big Sandy, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:36 pm CDT.

Sunshine

In September, the average sunshine is 9h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 in September translates into these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

Is it hot during September?

In September, the average high-temperature and low-temperature are 82.4°F (28°C) and 62.6°F (17°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 87.8°F (31°C).

What is the average humidity in September?

In Big Sandy, the average relative humidity in September is 74%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.1 days and accumulates 0.75" (19mm) of precipitation.

How much does it rain in Big Sandy in September?

In Big Sandy, in September, during 10.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

When it does not snow?

In Big Sandy, snow does not fall in April through October.

How many hours of daylight does Big Sandy have in September?

In September, the average day length in Big Sandy is 12h and 24min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:24 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:36 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Big Sandy, TN

Average temperature in September - Big Sandy, TN
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in September
Big Sandy, TN

Average pressure in September - Big Sandy, TN
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Big Sandy, TN

Average wind speed in September - Big Sandy, TN
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in September
Big Sandy, TN

Average humidity in September - Big Sandy, TN
  • Average humidity in September: 74%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Big Sandy, TN

Average rainfall in September - Big Sandy, TN
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in September
Big Sandy, TN

Average rainfall days in September - Big Sandy, TN
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in September
Big Sandy, TN

Average snowfall in September - Big Sandy, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is March (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Big Sandy, TN

Average snowfall days in September - Big Sandy, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Big Sandy, TN

Average daylight in September / Average sunshine in September - Big Sandy, TN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 0min

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).

Average sunshine days in September
Big Sandy, TN

Average sunshine days in September - Big Sandy, TN
  • Average sunshine days in September: 18.5 days

The months with the most sunshine days are January and October (20.3 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in September
Big Sandy, TN

Average UV index in September - Big Sandy, 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 February and December (UV index 2).

Average cloud cover in September
Big Sandy, TN

Average cloud cover in September - Big Sandy, 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).

Average visibility in September
Big Sandy, TN

Average visibility in September - Big Sandy, TN
  • Average visibility in September: 6mi

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

Big Sandy, Tennessee, USA

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