September weather forecastWater Fork Mill, TN
September
Weather in September
September, the first month of the autumn in Water Fork Mill, is also a moderately hot month, with an average temperature varying between 56.5°F (13.6°C) and 79°F (26.1°C).Temperature
The shift to September signals an average high-temperature of a still warm 79°F (26.1°C), subtly varied from August's 83.8°F (28.8°C). Water Fork Mill logs a substantial downturn to a mild 56.5°F (13.6°C) during September nights, a considerable shift from daytime highs.Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall in Water Fork Mill is September, when the rain falls for 14.2 days and typically collects 1.65" (42mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Water Fork Mill is 12h and 24min.On the first day of September, sunrise is at 7:03 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:15 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Water Fork Mill, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Prioritize safety - Recommendations to avert sunburn are shared. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Water Fork Mill, TN
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Water Fork Mill, TN
- Average pressure in September: 30.05"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
Water Fork Mill, TN
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Water Fork Mill, TN
- Average humidity in September: 76%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in September
Water Fork Mill, TN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Water Fork Mill, TN
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in September
Water Fork Mill, TN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Water Fork Mill, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Water Fork Mill, 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 48min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Water Fork Mill, TN
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Water Fork Mill, TN
- Average UV index in September: 4
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
Water Fork Mill, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in September
Water Fork Mill, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





