Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A subtle shift in Johnsons Chapel's weather is observed as August turns into September, with the average high temperature reducing from a hot 86°F (30°C) to a moderately hot 80.6°F (27°C). Johnsons Chapel records a steady low-temperature average of 60.4°F (15.8°C) during September.Heat index
September's mean heat index is computed to be 84.2°F (29°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September in Johnsons Chapel is 77%.Rainfall
September is the month with the least rainfall in Johnsons Chapel, Tennessee. Rain falls for 14 days and accumulates 2.17" (55mm) of precipitation.Snowfall
In Johnsons Chapel, snow does not fall in May through October.Daylight
In September, the average length of the day in Johnsons Chapel is 12h and 23min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:09 pm. On the last day of September, in Johnsons Chapel, sunrise is at 6:37 am and sunset at 6:27 pm CDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Johnsons Chapel in September?
What is the average humidity in September in Johnsons Chapel?
What is the driest month in Johnsons Chapel?
How much does it rain in Johnsons Chapel in September?
When it does not snow in Johnsons Chapel?
How many hours of daylight does Johnsons Chapel have in September?
When are sunrise and sunset in September in Johnsons Chapel?
How many hours of sunshine does Johnsons Chapel have in September?
How high is the UV index in September in Johnsons Chapel?
Average temperature in September
Johnsons Chapel, TN
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Johnsons 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 (29.97"Hg).
Average wind speed in September
Johnsons Chapel, TN
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Johnsons Chapel, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Johnsons Chapel, TN
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Johnsons Chapel, TN
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Johnsons Chapel, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Johnsons Chapel, 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
Johnsons Chapel, TN
- Average daylight in September: 12h and 2min
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 2min
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 24min).
Average sunshine days in September
Johnsons Chapel, TN
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Johnsons 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
Johnsons Chapel, TN
- Average cloud cover in September: 33
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
Johnsons Chapel, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
Johnsons Chapel, Tennessee, USA
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