Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's onset introduces a mild reduction in the average high-temperature, from a tropical 86°F (30°C) in August to a moderately hot 80.6°F (27°C). Throughout the nights in September, an average low-temperature of 60.6°F (15.9°C) is noted in Stonewall, Tennessee.Heat index
September's heat index is computed to be 84.2°F (29°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. 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 realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 14 days and accumulates 2.32" (59mm) of precipitation.Snowfall
In Stonewall, Tennessee, snow does not fall in May through October.Daylight
In September, the average length of the day in Stonewall is 12h and 24min.On the first day of September in Stonewall, sunrise is at 6:15 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:28 pm CDT.
Sunshine
In Stonewall, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the average September temperature in Stonewall?
What is the average humidity in September in Stonewall?
What is the driest month in Stonewall?
How many days does it rain in September in Stonewall?
When it does not snow in Stonewall?
What is the average length of the day in September in Stonewall?
When is the sunrise / sunset in September in Stonewall?
How long on average sun shines in September in Stonewall?
What is the UV index reading in September in Stonewall?
Average temperature in September
Stonewall, TN
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Stonewall, 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 (29.97"Hg).
Average wind speed in September
Stonewall, TN
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Stonewall, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Stonewall, TN
- Average rainfall in September: 2.32"
The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in September
Stonewall, TN
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in September
Stonewall, 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").
Average snowfall days in September
Stonewall, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stonewall, 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: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Stonewall, TN
- Average sunshine days in September: 14.6 days
The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).
Average UV index in September
Stonewall, 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).
Average cloud cover in September
Stonewall, 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 30).
Average visibility in September
Stonewall, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
Stonewall, Tennessee, USA
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