September weather forecastBig Piney, TN
September
Weather in September
The first month of the autumn, September, is still a warm month in Big Piney, Tennessee, with an average temperature ranging between max 81°F (27.2°C) and min 59.5°F (15.3°C).Temperature
September brings a slight decrease in temperature, down from a hot 86.5°F (30.3°C) in August to a warm 81°F (27.2°C). During the nights in September, Big Piney observes an average low-temperature of 59.5°F (15.3°C).Heat index
For most parts of September, the heat index is estimated at a tropical 86°F (30°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Note that heat index values are valued for light wind and location in the shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Big Piney, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall in Big Piney is September, when the rain falls for 12 days and typically collects 1.69" (43mm) of precipitation.Snowfall
In Big Piney, snow does not fall in May through October.Daylight
In Big Piney, Tennessee, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:09 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index in Big Piney is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against sun damage is advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Big Piney, TN
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in September: 59.5°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 (30°F).
Average pressure in September
Big Piney, TN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Big Piney, 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
Big Piney, TN
- Average humidity in September: 75%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Big Piney, TN
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Big Piney, TN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Big Piney, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Big Piney, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.7 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
Big Piney, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Big Piney, TN
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in September
Big Piney, 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
Big Piney, TN
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in September
Big Piney, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
