September weather forecast
Sweet Briar, TN

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Weather in September

September, the first month of the autumn in Sweet Briar, is also a moderately hot month, with an average temperature varying between 60.1°F (15.6°C) and 81.3°F (27.4°C).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 87.1°F (30.6°C) in August to a warm 81.3°F (27.4°C). During the month of September, the temperature in Sweet Briar, Tennessee, falls to an average of 60.1°F (15.6°C).

Heat index

The heat index for September is estimated at a tropical 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Understand that the heat index values take into account shaded locations and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly critical to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

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

Rainfall

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

Snowfall

In Sweet Briar, Tennessee, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September in Sweet Briar, 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 Sweet Briar, the average sunshine in September is 8.7h.

UV index

In Sweet Briar, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What is the average September temperature in Sweet Briar?

During September, Sweet Briar experiences an average high-temperature of 81.3°F (27.4°C) and a low-temperature of 60.1°F (15.6°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the average humidity in September in Sweet Briar?

In September, the average relative humidity is 74%.

What is the driest month in Sweet Briar?

The month with the least rainfall in Sweet Briar is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.

How much does it rain in Sweet Briar in September?

In Sweet Briar, during September, the rain falls for 12.6 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Sweet Briar?

In Sweet Briar, snow does not fall in May through September.

Does it snow in Sweet Briar in September?

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

How many hours of daylight does Sweet Briar have in September?

In Sweet Briar, Tennessee, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Sweet Briar?

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

How long on average sun shines in September in Sweet Briar?

In September, the average sunshine duration is 8.7h.

How high is the UV index in September in Sweet Briar?

In September, the average daily maximum UV index in Sweet Briar is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Sweet Briar, TN

Average temperature in September - Sweet Briar, 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).

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Average pressure in September
Sweet Briar, TN

Average pressure in September - Sweet Briar, 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).

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Average wind speed in September
Sweet Briar, TN

Average wind speed in September - Sweet Briar, 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).

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Average humidity in September
Sweet Briar, TN

Average humidity in September - Sweet Briar, 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%).

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Average rainfall in September
Sweet Briar, TN

Average rainfall in September - Sweet Briar, 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").

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Average rainfall days in September
Sweet Briar, TN

Average rainfall days in September - Sweet Briar, 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).

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Average snowfall in September
Sweet Briar, TN

Average snowfall in September - Sweet Briar, 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").

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Average snowfall days in September
Sweet Briar, TN

Average snowfall days in September - Sweet Briar, 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).

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Average daylight in September /
Average sunshine in September
Sweet Briar, TN

Average daylight in September / Average sunshine in September - Sweet Briar, 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).

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Average sunshine days in September
Sweet Briar, TN

Average sunshine days in September - Sweet Briar, 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).

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Average UV index in September
Sweet Briar, TN

Average UV index in September - Sweet Briar, 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).

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Average cloud cover in September
Sweet Briar, TN

Average cloud cover in September - Sweet Briar, 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).

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Average visibility in September
Sweet Briar, TN

Average visibility in September - Sweet Briar, 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).

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Sweet Briar, Tennessee, USA

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