September weather forecastCoalmont, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Coalmont, Tennessee, with an average temperature ranging between min 59.5°F (15.3°C) and max 79.2°F (26.2°C).Temperature
With the arrival of September, Coalmont experiences a modest decline in average high-temperatures, transitioning from a moderately hot 84.7°F (29.3°C) in August to a still warm 79.2°F (26.2°C). Throughout the month of September, Coalmont witnesses an average low-temperature of 59.5°F (15.3°C).Humidity
In Coalmont, the average relative humidity in September is 78%.Rainfall
In Coalmont, in September, during 15.1 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 182.8 rainfall days, and 45.91" (1166mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:37 am and sunset at 6:27 pm CDT.
Sunshine
In September, the average sunshine in Coalmont is 8.1h.UV index
In Coalmont, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Coalmont, TN
- Average high temperature in September: 79.2°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 (44.1°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Coalmont, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Coalmont, TN
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Coalmont, TN
- Average humidity in September: 78%
The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in September
Coalmont, TN
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is July (4.92").
The driest month (with the least rainfall) is November (2.8").
Average rainfall days in September
Coalmont, TN
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (10 days).
Average snowfall in September
Coalmont, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Coalmont, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.1 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
Coalmont, 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Coalmont, TN
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in September
Coalmont, 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 and December (UV index 2).
Average cloud cover in September
Coalmont, TN
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 34).
Average visibility in September
Coalmont, TN
- Average visibility in September: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
