September weather forecastNolensville, TN
September
Weather in September
September, the first month of the autumn in Nolensville, is still a warm month, with an average temperature ranging between max 81.7°F (27.6°C) and min 62.8°F (17.1°C).Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a tropical 87.4°F (30.8°C) in August to a moderately hot 81.7°F (27.6°C). The average temperature during September nights dips to a comfortable 62.8°F (17.1°C).Heat index
The heat index in September is calculated to be a hot 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The average relative humidity in September is 74%.Rainfall
September and November are months with the least rain when the rain falls for 14 days and typically aggregates up to 2.32" (59mm) of rain.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:31 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Nolensville, Tennessee, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nolensville, TN
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Nolensville, 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 (29.97"Hg).
Average wind speed in September
Nolensville, TN
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Nolensville, TN
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Nolensville, TN
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is July (4.41").
The driest months (with the least rainfall) are September and November (2.32").
Average rainfall days in September
Nolensville, TN
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in September
Nolensville, TN
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Nolensville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Nolensville, 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: 8h and 36min
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 30min).
Average sunshine days in September
Nolensville, TN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Nolensville, 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 and December (UV index 2).
Average cloud cover in September
Nolensville, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Nolensville, 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).
