September weather forecastGray, TN
September
Weather in September
The first month of the autumn, September, is still a warm month in Gray, Tennessee, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 56.1°F (13.4°C).Temperature
The average high-temperature during September registers at a still warm 79.7°F (26.5°C), maintaining a close resemblance to the previous month. Significant variation from daytime temperatures marks September, with the month recording a nightly average of 56.1°F (13.4°C).Humidity
In Gray, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 10.2 days and accumulates 1.06" (27mm) of precipitation.Snowfall
In Gray, Tennessee, snow does not fall in May through September.Daylight
In September, the average length of the day in Gray is 12h and 24min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine in Gray is 8.7h.UV index
The average daily maximum UV index in September in Gray, Tennessee, is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gray, TN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Gray, TN
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Gray, TN
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Gray, TN
- Average humidity in September: 75%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in September
Gray, TN
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in September
Gray, TN
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Gray, TN
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Gray, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 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
Gray, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Gray, TN
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in September
Gray, TN
- Average UV index in September: 4
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
Gray, 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 August (Cloud cover 28).
Average visibility in September
Gray, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





