September weather forecastWhite Plains, TN
September
Weather in September
The first month of the autumn, September, is still a warm month in White Plains, Tennessee, with an average temperature fluctuating between 59.7°F (15.4°C) and 80.1°F (26.7°C).Temperature
The arrival of September signals a subtle shift in temperature, down from a tropical 86.2°F (30.1°C) in August to a moderately hot 80.1°F (26.7°C). White Plains experiences an average nighttime temperature of 59.7°F (15.4°C) in the month of September.Humidity
In White Plains, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 2.01" (51mm) of precipitation.Snowfall
In White Plains, snow does not fall in May through October.Daylight
In September, the average length of the day in White Plains is 12h and 24min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:26 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in White Plains is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 in September translates into these instructions:
Be vigilant - Preventing sunburn is recommended. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
White Plains, TN
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in September: 59.7°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 (29.3°F).
Average pressure in September
White Plains, 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 (29.97"Hg).
Average wind speed in September
White Plains, TN
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
White Plains, TN
- Average humidity in September: 77%
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
White Plains, TN
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
White Plains, TN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in September
White Plains, 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
White Plains, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.6 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
White Plains, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
White Plains, TN
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (18.2 days).
The months with the least sunshine days are February and July (11.3 days).
Average UV index in September
White Plains, 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
White Plains, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
White Plains, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).





