September weather forecastFountain Head, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Fountain Head, Tennessee, with an average temperature varying between 61.5°F (16.4°C) and 80.1°F (26.7°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 85.6°F (29.8°C) in August to a still moderately hot 80.1°F (26.7°C). Fountain Head throughout September, experiences an average nighttime temperature of 61.5°F (16.4°C).Humidity
The average relative humidity in September in Fountain Head is 76%.Rainfall
In September, in Fountain Head, the rain falls for 14.7 days. Throughout September, 2.8" (71mm) of precipitation is accumulated. In Fountain Head, during the entire year, the rain falls for 177.4 days and collects up to 44.61" (1133mm) of precipitation.Snowfall
In Fountain Head, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:13 pm. On the last day of September, in Fountain Head, sunrise is at 6:40 am and sunset at 6:30 pm CDT.
Sunshine
In Fountain Head, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fountain Head, TN
- Average high temperature in September: 80.1°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 (42.8°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Fountain Head, 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 (29.96"Hg).
Average wind speed in September
Fountain Head, TN
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Fountain Head, TN
- Average humidity in September: 76%
The months with the highest relative humidity are March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Fountain Head, TN
- Average rainfall in September: 2.8"
The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (2.56").
Average rainfall days in September
Fountain Head, TN
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Fountain Head, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Fountain Head, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 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
Fountain Head, TN
- Average daylight in September: 12h and 24min
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 18min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Fountain Head, TN
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Fountain Head, 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
Fountain Head, TN
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Fountain Head, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).





