September weather forecastTumbling, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Tumbling, Tennessee, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 62.8°F (17.1°C).Temperature
Tumbling's entry into September measures an average high-temperature of a warm 82.2°F (27.9°C), closely parallel to the preceding month. In Tumbling, an average nighttime temperature of 62.8°F (17.1°C) is expected during September.Heat index
The heat index in September is estimated at a hot 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.89" (48mm) of precipitation.Snowfall
In Tumbling, snow does not fall in April through October.Daylight
In Tumbling, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:38 pm CDT.
Sunshine
The average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Adopt protective measures - It is advised to guard against sun damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tumbling, TN
- Average high temperature in September: 82.2°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 (43.9°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in September
Tumbling, TN
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Tumbling, TN
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Tumbling, TN
- Average humidity in September: 73%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Tumbling, TN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Tumbling, TN
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Tumbling, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Tumbling, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Tumbling, 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: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Tumbling, TN
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in September
Tumbling, TN
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in September
Tumbling, 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 28).
Average visibility in September
Tumbling, 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).
