September weather forecastRays, TN
September
Weather in September
The first month of the autumn, September, is still a warm month in Rays, Tennessee, with an average temperature fluctuating between 59.4°F (15.2°C) and 79.3°F (26.3°C).Temperature
The average high-temperature shows a slight dip in September, from August's 84.7°F (29.3°C) to a still warm 79.3°F (26.3°C). Throughout September, the average low-temperature records at a mild 59.4°F (15.2°C).Humidity
In Rays, Tennessee, the average relative humidity in September is 78%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 165.7 rainfall days, and 36.93" (938mm) of precipitation is accumulated.Snowfall
In Rays, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:13 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:25 pm CDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rays, TN
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in September
Rays, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Rays, TN
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Rays, TN
- Average humidity in September: 78%
The months with the highest relative humidity are March and December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Rays, TN
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in September
Rays, TN
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Rays, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Rays, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.6 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
Rays, 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 12min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in September
Rays, TN
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Rays, 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
Rays, TN
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Rays, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, April, June, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August, September and October (5mi).
