September weather forecastJefferson Pike, TN
September
Weather in September
September, the first month of the autumn in Jefferson Pike, is also a moderately hot month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 62.6°F (17°C).Temperature
September signifies a gentle decline in Jefferson Pike's average high-temperature, easing from a tropical 88°F (31.1°C) in August to a warm 81.9°F (27.7°C). An average temperature of 62.6°F (17°C) marks the nights in September.Heat index
For September, the heat index is estimated at a tropical 87.8°F (31°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.The heat index's values are generally associated with conditions in shade and light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In September, the average relative humidity in Jefferson Pike is 74%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 150.1 rainfall days, and 24.41" (620mm) of precipitation is accumulated.Snowfall
In Jefferson Pike, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:13 pm. On the last day of September, in Jefferson Pike, sunrise is at 6:40 am and sunset at 6:30 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jefferson Pike, TN
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 62.6°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
Jefferson Pike, 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
Jefferson Pike, TN
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Jefferson Pike, TN
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).
Average rainfall in September
Jefferson Pike, TN
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in September
Jefferson Pike, TN
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in September
Jefferson Pike, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Jefferson Pike, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.5 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
Jefferson Pike, 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 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Jefferson Pike, TN
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Jefferson Pike, 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 February and December (UV index 2).
Average cloud cover in September
Jefferson Pike, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Jefferson Pike, 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).





