September weather forecastJason Chapel, TN
September
Weather in September
September, the first month of the autumn in Jason Chapel, is also a moderately hot month, with an average temperature ranging between min 61.7°F (16.5°C) and max 81.5°F (27.5°C).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a hot 87.4°F (30.8°C) to a warm 81.5°F (27.5°C). In September, Jason Chapel records an average nighttime temperature of 61.7°F (16.5°C).Heat index
The average heat index in September is calculated to be a tropical 86°F (30°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The average relative humidity in September in Jason Chapel is 75%.Rainfall
September is the month with the least rainfall in Jason Chapel. Rain falls for 13 days and accumulates 1.73" (44mm) of precipitation.Snowfall
May through September are months without snowfall in Jason Chapel.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:22 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:34 pm CDT.
Sunshine
In Jason Chapel, the average sunshine in September is 8.8h.UV index
In Jason Chapel, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 during September leads to these advisories:
Be vigilant - Preventing sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jason Chapel, TN
- Average high temperature in September: 81.5°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 (43.9°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in September
Jason Chapel, 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 (29.96"Hg).
Average wind speed in September
Jason Chapel, TN
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Jason Chapel, TN
- Average humidity in September: 75%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Jason Chapel, TN
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Jason Chapel, TN
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
Jason Chapel, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Jason Chapel, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Jason Chapel, 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 48min
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 36min).
Average sunshine days in September
Jason Chapel, TN
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10 days).
Average UV index in September
Jason Chapel, 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
Jason Chapel, 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
Jason Chapel, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).





