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
The onset of September brings a small shift in high-temperatures, falling from a tropical 86.7°F (30.4°C) in August to a warm 81.1°F (27.3°C). In September, the average low-temperature records at a refreshing 61.7°F (16.5°C) during the nights.Heat index
In September, the average heat index is evaluated at a tropical 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in September in Fernvale, Tennessee, is 76%.Rainfall
The month with the least rainfall in Fernvale is September, when the rain falls for 9.2 days and typically collects 0.47" (12mm) of precipitation.Snowfall
April through October are months without snowfall in Fernvale.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:20 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:32 pm CDT.
Sunshine
The average sunshine in September in Fernvale is 8.5h.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 unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Fernvale?
What is the average humidity in September in Fernvale?
What is the driest month in Fernvale?
How many days does it rain in September in Fernvale?
When it does not snow in Fernvale?
How many hours of daylight does Fernvale have in September?
What time are sunrise and sunset in September in Fernvale?
How long on average sun shines in September in Fernvale?
What is the UV index reading in September in Fernvale?
Average temperature in September
Fernvale, TN
- Average high temperature in September: 81.1°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 (44.2°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Fernvale, 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
Fernvale, TN
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Fernvale, TN
- Average humidity in September: 76%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Fernvale, TN
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in September
Fernvale, TN
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (6 days).
Average snowfall in September
Fernvale, TN
- Average snowfall in September: 0"
The months with the highest snowfall are January, February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Fernvale, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 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
Fernvale, 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 48min).
- Average sunshine in September: 8h and 3min
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 30min).
Average sunshine days in September
Fernvale, TN
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Fernvale, 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).
Average cloud cover in September
Fernvale, 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).
Average visibility in September
Fernvale, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Fernvale, Tennessee, USA
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