September weather forecastDunlap, TN
September
Weather in September
September, the first month of the autumn in Dunlap, is also a moderately hot month, with an average temperature fluctuating between 59.2°F (15.1°C) and 79.7°F (26.5°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a moderately hot 85.1°F (29.5°C) in August to a still warm 79.7°F (26.5°C). An average low-temperature of 59.2°F (15.1°C) is anticipated throughout the nights during September.Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 2.83" (72mm) of precipitation is accumulated. In Dunlap, during the entire year, the rain falls for 181.6 days and collects up to 43.19" (1097mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Dunlap is 12h and 23min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:26 pm CDT.
Sunshine
In Dunlap, the average sunshine in September is 8h.UV index
In Dunlap, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dunlap, TN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Dunlap, 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
Dunlap, TN
- Average wind speed in September: 4.2mph
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
Dunlap, TN
- Average humidity in September: 78%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in September
Dunlap, TN
- Average rainfall in September: 2.83"
The wettest month (with the highest rainfall) is July (4.61").
The driest month (with the least rainfall) is November (2.56").
Average rainfall days in September
Dunlap, TN
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in September
Dunlap, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Dunlap, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.1 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
Dunlap, 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 0min
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
Dunlap, TN
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in September
Dunlap, 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
Dunlap, 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 33).
Average visibility in September
Dunlap, 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).
