September weather forecastGap Spring, TN
September
Weather in September
September, the first month of the autumn in Gap Spring, is also a moderately hot month, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 80.4°F (26.9°C).Temperature
As August turns into September, the average high-temperatures rest at a still warm 80.4°F (26.9°C), showing a minor variation from the prior month. In Gap Spring, the average nighttime temperature during September is a moderate 59.9°F (15.5°C).Humidity
In Gap Spring, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.5 days and typically collects 2.91" (74mm) of precipitation.Snowfall
In Gap Spring, Tennessee, snow does not fall in April through September.Daylight
The average length of the day in September in Gap Spring is 12h and 23min.On the first day of September, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:24 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Gap Spring, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gap Spring, TN
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Gap Spring, 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 (29.98"Hg).
Average wind speed in September
Gap Spring, TN
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Gap Spring, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, October and November (76%).
Average rainfall in September
Gap Spring, TN
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is July (4.84").
The driest month (with the least rainfall) is September (2.91").
Average rainfall days in September
Gap Spring, TN
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Gap Spring, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Gap Spring, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 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
Gap Spring, TN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Gap Spring, TN
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in September
Gap Spring, 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
Gap Spring, TN
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Gap Spring, TN
- Average visibility in September: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
