September weather forecast
South Carthage, TN

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Weather in September

The first month of the autumn, September, is still a warm month in South Carthage, Tennessee, with an average temperature fluctuating between 80.6°F (27°C) and 60.6°F (15.9°C).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from a hot 86°F (30°C) in August to a moderately hot 80.6°F (27°C). South Carthage reports an average nighttime low-temperature of 60.6°F (15.9°C) in September.

Heat index

The heat index value during September is evaluated at 84.2°F (29°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 14 days and accumulates 2.32" (59mm) of precipitation.

Snowfall

In South Carthage, snow does not fall in May through October.

Daylight

The average length of the day in September in South Carthage is 12h and 24min.
On the first day of September, sunrise is at 6:15 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:28 pm CDT.

Sunshine

In South Carthage, Tennessee, the average sunshine in September is 8.3h.

UV index

In South Carthage, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The average high-temperature and low-temperature during September are 80.6°F (27°C) and 60.6°F (15.9°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in September?

In South Carthage, Tennessee, the average relative humidity in September is 77%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 14 days and typically collects 2.32" (59mm) of precipitation.

How many days does it rain in September?

In South Carthage, in September, it is raining for 14 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:15 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:28 pm CDT.

How many hours of sunshine does South Carthage have in September?

The average sunshine duration in September 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 medium hazard to health from unsafe 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
South Carthage, TN

Average temperature in September - South Carthage, TN
  • Average high temperature in September: 80.6°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 (43.7°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in September
South Carthage, TN

Average pressure in September - South Carthage, 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
South Carthage, TN

Average wind speed in September - South Carthage, TN
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
South Carthage, TN

Average humidity in September - South Carthage, TN
  • Average humidity in September: 77%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).

Average rainfall in September
South Carthage, TN

Average rainfall in September - South Carthage, TN
  • Average rainfall in September: 2.32"

The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in September
South Carthage, TN

Average rainfall days in September - South Carthage, TN
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in September
South Carthage, TN

Average snowfall in September - South Carthage, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
South Carthage, TN

Average snowfall days in September - South Carthage, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.5 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
South Carthage, TN

Average daylight in September / Average sunshine in September - South Carthage, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
South Carthage, TN

Average sunshine days in September - South Carthage, TN
  • Average sunshine days in September: 14.6 days

The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).

Average UV index in September
South Carthage, TN

Average UV index in September - South Carthage, 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
South Carthage, TN

Average cloud cover in September - South Carthage, TN
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
South Carthage, TN

Average visibility in September - South Carthage, TN
  • Average visibility in September: 5mi

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

South Carthage, Tennessee, USA

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