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
Willen Gap's shift into September sets the average high-temperature at a still warm 74.3°F (23.5°C), a figure that deviates only slightly from August's 79.5°F (26.4°C). An average low-temperature of 53.1°F (11.7°C) is noted in Willen Gap, Tennessee, during the month of September.Humidity
In Willen Gap, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.2 days and typically collects 1.57" (40mm) of precipitation.Snowfall
In Willen Gap, Tennessee, snow does not fall in June through September.Daylight
In September, the average length of the day in Willen Gap is 12h and 24min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:11 pm EDT.
Sunshine
The average sunshine in September in Willen Gap is 8.3h.UV index
In September, the average daily maximum UV index in Willen Gap is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What are September temperatures in Willen Gap?
What is the average humidity in September in Willen Gap?
What is the driest month in Willen Gap?
How much does it rain in Willen Gap in September?
When it does not snow in Willen Gap?
Does it snow in Willen Gap in September?
What is the average length of the day in September in Willen Gap?
What time are sunrise and sunset in September in Willen Gap?
How many hours of sunshine does Willen Gap have in September?
What is the UV index reading in September in Willen Gap?
Average temperature in September
Willen Gap, 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
Willen Gap, 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
Willen Gap, 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
Willen Gap, 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
Willen Gap, 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
Willen Gap, 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
Willen Gap, 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
Willen Gap, 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
Willen Gap, 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 42min).
- Average sunshine in September: 8h and 2min
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
Willen Gap, 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
Willen Gap, 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
Willen Gap, 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
Willen Gap, 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).
Willen Gap, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location
