September weather forecastMorganton, TN

September

Weather in September

The first month of the autumn, September, is still a warm month in Morganton, Tennessee, with an average temperature varying between 81°F (27.2°C) and 59.5°F (15.3°C).

Temperature

A mild shift in the average high-temperature occurs in September, reducing from a tropical 86.5°F (30.3°C) in August to a moderately hot 81°F (27.2°C). In September, the nighttime temperature lowers to an average of 59.5°F (15.3°C).

Heat index

September's average heat index is appraised at a tropical 86°F (30°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

May through October are months without snowfall in Morganton, Tennessee.

Daylight

In Morganton, the average length of the day in September is 12h and 23min.
On the first day of September in Morganton, 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 September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Morganton experiences an average high-temperature of 81°F (27.2°C) and a low-temperature of 59.5°F (15.3°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

The average relative humidity in September is 75%.

The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.69" (43mm) of precipitation.

In Morganton, during September, the rain falls for 12 days and regularly aggregates up to 1.69" (43mm) of precipitation.

May through October are months without snowfall.

The average day length in September is 12h and 23min.

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, sunrise is at 7:31 am and sunset at 7:21 pm EDT.

In September, the average sunshine duration is 8.7h.

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Morganton, TN

  • Average high temperature in September: 81°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in September
Morganton, 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
Morganton, TN

  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in September
Morganton, TN

  • Average humidity in September: 75%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Morganton, TN

  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Morganton, TN

  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in September
Morganton, TN

  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Morganton, TN

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.7 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
Morganton, TN

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 42min

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
Morganton, TN

  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in September
Morganton, 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
Morganton, TN

  • Average cloud cover in September: 29

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

Average visibility in September
Morganton, TN

  • Average visibility in September: 6mi

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