September weather forecastFayetteville, TN
September
Weather in September
September marks the arrival of autumn in Fayetteville, demonstrating a distinct cool-down in temperature. The lower amount of rainfall, registering only 2.05" (52mm), reveals a shift in the wet-summer weather pattern. Winds start to pick up, with wind gusts clocking an increase to 8.6mph (13.8km/h), subtly hinting at the upcoming transition to winter. Nightfall arrives earlier as daylight hours shorten, leading residents to alter their daily schedules. The golden hues of fall start to adorn the city, painting a picturesque portrait against the clear, azure skies.Temperature
Fayetteville's average high-temperature in September is a moderately hot 81.5°F (27.5°C), indicating a subtle variation from August. The average low-temperature of 62.1°F (16.7°C) is witnessed during September.Heat index
The heat index value for September is computed to be a tropical 86°F (30°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 2.05" (52mm) of precipitation.Snowfall
In Fayetteville, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:19 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:31 pm CDT.
Sunshine
In Fayetteville, Tennessee, the average sunshine in September is 8.6h.UV index
In Fayetteville, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during September translates into the following guidance:
Guard yourself - Precautionary measures against sun damage are advocated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fayetteville, TN
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in September: 62.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in September
Fayetteville, 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 (29.98"Hg).
Average wind speed in September
Fayetteville, TN
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Fayetteville, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Fayetteville, TN
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Fayetteville, TN
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Fayetteville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Fayetteville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Fayetteville, 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 36min
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 30min).
Average sunshine days in September
Fayetteville, TN
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Fayetteville, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Fayetteville, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Fayetteville, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
