September weather forecastJohnsons Crossroads, TN
September
Weather in September
September, the first month of the autumn in Johnsons Crossroads, is still a warm month, with an average temperature ranging between min 61.7°F (16.5°C) and max 80.1°F (26.7°C).Temperature
A mild shift in the average high-temperature occurs in September, reducing from 85.6°F (29.8°C) in August to a still moderately hot 80.1°F (26.7°C). Johnsons Crossroads records an average temperature drop to a refreshing 61.7°F (16.5°C) in September.Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 14.3 days and accumulates 2.48" (63mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.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, sunrise is at 6:41 am and sunset at 6:30 pm CDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Johnsons Crossroads, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Johnsons Crossroads, TN
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.2°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 (28.9°F).
Average pressure in September
Johnsons Crossroads, 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
Johnsons Crossroads, TN
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in September
Johnsons Crossroads, TN
- Average humidity in September: 76%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Johnsons Crossroads, TN
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is July (5.08").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in September
Johnsons Crossroads, TN
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Johnsons Crossroads, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Johnsons Crossroads, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 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 Crossroads, 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 42min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Johnsons Crossroads, TN
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Johnsons Crossroads, 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 Crossroads, 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 Crossroads, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





