September weather forecastWhitleyville, TN
September
Weather in September
September, the first month of the autumn in Whitleyville, is also a moderately hot month, with an average temperature fluctuating between 59.9°F (15.5°C) and 80.8°F (27.1°C).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a tropical 86.5°F (30.3°C) to a moderately hot 80.8°F (27.1°C). An average low-temperature of 59.9°F (15.5°C) is recorded during the nights in September.Heat index
For September, the heat index is evaluated at a hot 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In Whitleyville, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.89" (48mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Whitleyville, Tennessee, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:14 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:27 pm CDT.
Sunshine
The average sunshine in September in Whitleyville, Tennessee, is 8.1h.UV index
In Whitleyville, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Whitleyville, TN
- Average high temperature in September: 80.8°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Whitleyville, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Whitleyville, TN
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Whitleyville, TN
- Average humidity in September: 76%
The months with the highest relative humidity are February, March and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Whitleyville, TN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is February (3.98").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Whitleyville, TN
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in September
Whitleyville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Whitleyville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 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
Whitleyville, 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 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 12min).
Average sunshine days in September
Whitleyville, TN
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (17.7 days).
The months with the least sunshine days are February and July (11.6 days).
Average UV index in September
Whitleyville, 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
Whitleyville, TN
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Whitleyville, 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).
