September weather forecastPatterson Hills, TN
September
Weather in September
The first month of the autumn, September, is still a warm month in Patterson Hills, Tennessee, with an average temperature fluctuating between 79.9°F (26.6°C) and 57.9°F (14.4°C).Temperature
September is characterized by a slight reduction in average high-temperature, easing from a warm 85.5°F (29.7°C) in August to a still moderately hot 79.9°F (26.6°C). Despite drastic daily temperature oscillations, Patterson Hills cools down to an average low-temperature of 57.9°F (14.4°C) in September.Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall in Patterson Hills. Rain falls for 13.3 days and accumulates 1.73" (44mm) of precipitation.Snowfall
May through September are months without snowfall in Patterson Hills.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 7:06 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:18 pm EDT.
Sunshine
In Patterson Hills, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Patterson Hills, Tennessee, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Patterson Hills, TN
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Patterson Hills, TN
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Patterson Hills, TN
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Patterson Hills, TN
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Patterson Hills, TN
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Patterson Hills, TN
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Patterson Hills, TN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.83").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Patterson Hills, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 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
Patterson Hills, 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 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Patterson Hills, TN
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Patterson Hills, 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
Patterson Hills, TN
- Average cloud cover in September: 29
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 27).
Average visibility in September
Patterson Hills, TN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
