September weather forecastCarlton, TN
September
Weather in September
The first month of the autumn, September, is still a warm month in Carlton, Tennessee, with an average temperature fluctuating between 59.9°F (15.5°C) and 81.1°F (27.3°C).Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a hot 86.7°F (30.4°C) in August to a moderately hot 81.1°F (27.3°C). September witnesses an average nighttime temperature of 59.9°F (15.5°C).Heat index
For most parts of September, the heat index is estimated at a tropical 86°F (30°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.One should consider that heat index numbers are for shaded settings and light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In Carlton, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 0.94" (24mm) of precipitation.Snowfall
In Carlton, snow does not fall in April through September.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:20 pm EDT.
Sunshine
In Carlton, the average sunshine in September is 8.7h.UV index
In Carlton, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Carlton, TN
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 59.9°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 (29.5°F).
Average pressure in September
Carlton, 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
Carlton, TN
- Average wind speed in September: 3.8mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Carlton, 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%).
Average rainfall in September
Carlton, TN
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in September
Carlton, TN
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Carlton, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Carlton, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 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
Carlton, 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 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Carlton, TN
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).
Average UV index in September
Carlton, 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
Carlton, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Carlton, 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).
