September weather forecastShady Valley, TN
September
Weather in September
September, the first month of the autumn in Shady Valley, is still a warm month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 74.3°F (23.5°C).Temperature
The transition into September marks the average high-temperature at a still warm 74.3°F (23.5°C), differing minimally from August's 79.5°F (26.4°C). Shady Valley experiences an average low-temperature of 53.1°F (11.7°C) in the month of September.Humidity
In Shady Valley, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 1.57" (40mm) of precipitation.Snowfall
June through September are months without snowfall in Shady Valley.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:12 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Shady Valley, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shady Valley, TN
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Shady Valley, 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
Shady Valley, TN
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Shady Valley, TN
- Average humidity in September: 79%
The months with the highest relative humidity are February, March and December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Shady Valley, TN
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Shady Valley, TN
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Shady Valley, TN
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Shady Valley, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shady Valley, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Shady Valley, TN
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Shady Valley, TN
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Shady Valley, TN
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June, July and August (Cloud cover 37).
Average visibility in September
Shady Valley, TN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
