September weather forecastPrigmore, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Prigmore, Tennessee, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 59.9°F (15.5°C).Temperature
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a tropical 86.7°F (30.4°C) to a moderately hot 81.1°F (27.3°C). In September, Prigmore records an average nighttime temperature of 59.9°F (15.5°C).Heat index
September's heat index is evaluated at a hot 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.93" (49mm) of precipitation.Snowfall
In Prigmore, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:23 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Prigmore, TN
- Average high temperature in September: 81.1°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 (45.7°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Prigmore, 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 (29.98"Hg).
Average wind speed in September
Prigmore, TN
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in September
Prigmore, 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
Prigmore, TN
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Prigmore, TN
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Prigmore, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Prigmore, 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
Prigmore, 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 36min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Prigmore, TN
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in September
Prigmore, 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
Prigmore, TN
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Prigmore, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
