September weather forecastMcLemoresville, TN
September
Weather in September
September, the first month of the autumn in McLemoresville, is still a warm month, with an average temperature varying between 82.6°F (28.1°C) and 62.8°F (17.1°C).Temperature
The arrival of September records an average high-temperature of a moderately hot 82.6°F (28.1°C), closely related to the 87.8°F (31°C) observed in August. Throughout the month of September, the nighttime temperature dips to an average of 62.8°F (17.1°C).Heat index
September's heat index is estimated at a hot 87.8°F (31°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In September, the average relative humidity in McLemoresville is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.3 days and typically collects 0.24" (6mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In McLemoresville, the average length of the day in September is 12h and 23min.On the first day of September in McLemoresville, sunrise is at 6:26 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In McLemoresville, 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 radiation for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McLemoresville, TN
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in September: 62.8°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 (30.7°F).
Average pressure in September
McLemoresville, 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
McLemoresville, 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
McLemoresville, TN
- Average humidity in September: 73%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
McLemoresville, TN
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in September
McLemoresville, TN
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
McLemoresville, TN
- Average snowfall in September: 0"
The months with the highest snowfall are February and March (0.12").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
McLemoresville, 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 April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
McLemoresville, TN
- Average daylight in September: 12h and 24min
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 48min).
- Average sunshine in September: 9h and 0min
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
McLemoresville, TN
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is July (16.6 days).
Average UV index in September
McLemoresville, TN
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in September
McLemoresville, 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 29).
Average visibility in September
McLemoresville, 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).





