September weather forecastTennemo, TN
September
Weather in September
September, the first month of the autumn in Tennemo, is also a moderately hot month, with an average temperature varying between 63.5°F (17.5°C) and 81.9°F (27.7°C).Temperature
With the advent of September, Tennemo experiences an average high-temperature of a warm 81.9°F (27.7°C), mirroring a close resemblance to the previous month. The average temperature drops to a comfortable 63.5°F (17.5°C) during the night in the month of September.Heat index
For September, the heat index is evaluated at a hot 86°F (30°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The average relative humidity in September in Tennemo is 73%.Rainfall
September is the month with the least rainfall in Tennemo. Rain falls for 7.9 days and accumulates 0.35" (9mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
In Tennemo, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:25 pm. On the last day of September, in Tennemo, sunrise is at 6:53 am and sunset at 6:42 pm CDT.
Sunshine
In Tennemo, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. 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
Tennemo, TN
- Average high temperature in September: 81.9°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 (44.1°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Tennemo, TN
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Tennemo, TN
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Tennemo, TN
- Average humidity in September: 73%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Tennemo, TN
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is February (1.26").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Tennemo, TN
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in September
Tennemo, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.35").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Tennemo, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tennemo, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Tennemo, TN
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in September
Tennemo, TN
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Tennemo, TN
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Tennemo, 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).
