September weather forecast
Farragut, TN

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Weather in September

September marks the commencement of autumn in Farragut, with temperatures starting to retreat from the summer highs. An evident drop to 81.3°F (27.4°C) is noticed in the thermal readings. Corresponding with the declining temperatures, sunshine hours and daylight also decrease. Though rainfall continues to be a part of the weather schema, the number of rainy days demonstrates a significant reduction. The calm winds and stable atmospheric pressure signify a smooth transition into fall.

Temperature

As September begins in Farragut, there is a minor decrease in the average high-temperature, softly falling from a tropical 87.1°F (30.6°C) in August to a moderately hot 81.3°F (27.4°C). September witnesses an average nighttime temperature of 60.1°F (15.6°C).

Heat index

The average heat index in September is evaluated at a tropical 86°F (30°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In September, the average relative humidity in Farragut, Tennessee, is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

In Farragut, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September in Farragut, sunrise is at 7:09 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:21 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Farragut, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Farragut?

An average high-temperature, in September, in Farragut, is 81.3°F (27.4°C) and the average low-temperature is 60.1°F (15.6°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in September in Farragut?

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

What is the driest month in Farragut?

September is the month with the least rainfall in Farragut. Rain falls for 12.6 days and accumulates 1.97" (50mm) of precipitation.

How much does it rain in Farragut in September?

In Farragut, Tennessee, in September, during 12.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow in Farragut?

May through September are months without snowfall in Farragut, Tennessee.

Does it snow in Farragut in September?

In Farragut, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Farragut?

In September, the average day length in Farragut is 12h and 23min.

When is the sunrise / sunset in September in Farragut?

On the first day of September, sunrise is at 7:09 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:21 pm EDT.

How many hours of sunshine does Farragut have in September?

The average sunshine duration in September is 8.7h.

What is the UV index intensity in September in Farragut?

In Farragut, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Farragut, TN

Average temperature in September - Farragut, TN
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in September: 60.1°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in September
Farragut, TN

Average pressure in September - Farragut, TN
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Farragut, TN

Average wind speed in September - Farragut, TN
  • Average wind speed in September: 3.8mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in September
Farragut, TN

Average humidity in September - Farragut, TN
  • Average humidity in September: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September
Farragut, TN

Average rainfall in September - Farragut, TN
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Farragut, TN

Average rainfall days in September - Farragut, TN
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in September
Farragut, TN

Average snowfall in September - Farragut, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Farragut, TN

Average snowfall days in September - Farragut, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.5 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
Farragut, TN

Average daylight in September / Average sunshine in September - Farragut, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in September
Farragut, TN

Average sunshine days in September - Farragut, TN
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in September
Farragut, TN

Average UV index in September - Farragut, 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
Farragut, TN

Average cloud cover in September - Farragut, TN
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in September
Farragut, TN

Average visibility in September - Farragut, TN
  • Average visibility in September: 6mi

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

Farragut, Tennessee, USA

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