September weather forecast
Fountain Head, TN

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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.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Fountain Head in September?

The high-temperature, in September, in Fountain Head, is 80.1°F (26.7°C), while the low-temperature averages to 61.5°F (16.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is estimated at 96.8°F (36°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How many days does it rain in September?

In Fountain Head, in September, it is raining for 14.7 days, with typically 2.8" (71mm) of accumulated precipitation.

When it does not snow in Fountain Head?

May through October are months without snowfall.

How many hours of daylight does Fountain Head have in September?

In Fountain Head, the average day length in September is 12h and 24min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:17 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:30 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.3h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Fountain Head, TN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Fountain Head, 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 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 - 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 - 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 - 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 - 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).

Fountain Head, Tennessee, USA

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