September weather forecastSmarden, TN
September
Weather in September
The first month of the autumn, September, is still a warm month in Smarden, Tennessee, with an average temperature fluctuating between 81.1°F (27.3°C) and 61.7°F (16.5°C).Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a hot 86.7°F (30.4°C) in August to a moderately hot 81.1°F (27.3°C). Throughout the month of September, Smarden expects an average low of 61.7°F (16.5°C).Heat index
The heat index value for September is computed to be a hot 86°F (30°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In Smarden, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.2 days and typically collects 0.47" (12mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:20 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:33 pm CDT.
Sunshine
In Smarden, the average sunshine in September is 8.5h.UV index
In Smarden, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Smarden, TN
- Average high temperature in September: 81.1°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 (44.2°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Smarden, 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 (29.97"Hg).
Average wind speed in September
Smarden, TN
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Smarden, TN
- Average humidity in September: 76%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Smarden, TN
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in September
Smarden, TN
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (6 days).
Average snowfall in September
Smarden, TN
- Average snowfall in September: 0"
The months with the highest snowfall are January, February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Smarden, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 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
Smarden, 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 48min).
- Average sunshine in September: 8h and 30min
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 30min).
Average sunshine days in September
Smarden, TN
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Smarden, 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 and December (UV index 2).
Average cloud cover in September
Smarden, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Smarden, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
