September weather forecastSmith Springs, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Smith Springs, Tennessee, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 81.5°F (27.5°C).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a tropical 87.4°F (30.8°C) to a warm 81.5°F (27.5°C). Throughout September, the temperature falls to an average low of 62.8°F (17.1°C).Heat index
Throughout September, the heat index is calculated to be a tropical 86°F (30°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Understand that the heat index values take into account shaded locations and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The average relative humidity in September is 74%.Rainfall
In Smith Springs, in September, it is raining for 13.4 days, with typically 2.01" (51mm) of accumulated precipitation. In Smith Springs, during the entire year, the rain falls for 169.9 days and collects up to 31.3" (795mm) of precipitation.Snowfall
In Smith Springs, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September in Smith Springs, Tennessee, sunrise is at 6:18 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:31 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Smith Springs is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Smith Springs, TN
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Smith Springs, 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
Smith Springs, TN
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in September
Smith Springs, TN
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Smith Springs, TN
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in September
Smith Springs, TN
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Smith Springs, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Smith Springs, 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
Smith Springs, 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 36min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in September
Smith Springs, TN
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Smith Springs, 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
Smith Springs, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in September
Smith Springs, 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).





