September weather forecast
Porter Court, TN

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Weather in September

September, the first month of the autumn in Porter Court, is also a moderately hot month, with an average temperature fluctuating between 81.9°F (27.7°C) and 62.4°F (16.9°C).

Temperature

The arrival of September corresponds with a light shift in temperature, down from a tropical 87.4°F (30.8°C) in August to a moderately hot 81.9°F (27.7°C). An average temperature of 62.4°F (16.9°C) is recorded during the nights in September.

Heat index

For most parts of September, the heat index is computed to be a hot 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to children. 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

The average relative humidity in September in Porter Court is 74%.

Rainfall

September is the month with the least rainfall in Porter Court. Rain falls for 12.5 days and accumulates 1.85" (47mm) of precipitation.

Snowfall

In Porter Court, snow does not fall in April through October.

Daylight

The average length of the day in September in Porter Court is 12h and 24min.
On the first day of September, sunrise is at 6:25 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:37 pm CDT.

Sunshine

The average sunshine in September in Porter Court is 9.3h.

UV index

In Porter Court, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 5 suggests this advice:
Exercise prevention - Warding off sunburn is urged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely.
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 Porter Court?

In September, the average high-temperature and low-temperature in Porter Court are 81.9°F (27.7°C) and 62.4°F (16.9°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 87.8°F (31°C).

What is the average humidity in September in Porter Court?

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

What is the driest month in Porter Court?

The month with the least rainfall in Porter Court, Tennessee, is September, when the rain falls for 12.5 days and typically collects 1.85" (47mm) of precipitation.

How much does it rain in Porter Court in September?

In Porter Court, in September, during 12.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When it does not snow in Porter Court?

April through October are months without snowfall in Porter Court, Tennessee.

What is the average length of the day in September in Porter Court?

In September, the average day length in Porter Court, Tennessee, is 12h and 24min.

When is the sunrise / sunset in September in Porter Court?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:20 pm. On the last day of the month, in Porter Court, sunrise is at 6:48 am and sunset at 6:37 pm CDT.

How many hours of sunshine does Porter Court have in September?

In September, the average sunshine duration in Porter Court, Tennessee, is 9.3h.

How high is the UV index in September in Porter Court?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Porter Court, TN

Average temperature in September - Porter Court, TN
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in September
Porter Court, TN

Average pressure in September - Porter Court, TN
  • Average pressure in September: 30.02"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
Porter Court, TN

Average wind speed in September - Porter Court, TN
  • Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are January, February and April (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in September
Porter Court, TN

Average humidity in September - Porter Court, TN
  • Average humidity in September: 74%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Porter Court, TN

Average rainfall in September - Porter Court, TN
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in September
Porter Court, TN

Average rainfall days in September - Porter Court, TN
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in September
Porter Court, TN

Average snowfall in September - Porter Court, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Porter Court, TN

Average snowfall days in September - Porter Court, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.1 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
Porter Court, TN

Average daylight in September / Average sunshine in September - Porter Court, 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: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Porter Court, TN

Average sunshine days in September - Porter Court, TN
  • Average sunshine days in September: 16 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in September
Porter Court, TN

Average UV index in September - Porter Court, TN
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Porter Court, TN

Average cloud cover in September - Porter Court, TN
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in September
Porter Court, TN

Average visibility in September - Porter Court, TN
  • Average visibility in September: 6mi

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

Porter Court, Tennessee, USA

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