September weather forecastComo, TN
September
Weather in September
September, the first month of the autumn in Como, is also a moderately hot month, with an average temperature varying between 81.9°F (27.7°C) and 62.4°F (16.9°C).Temperature
The average high-temperature during September is a moderately hot 81.9°F (27.7°C), almost matching the conditions of the preceding month. Throughout September, the average low-temperature records at a refreshing 62.4°F (16.9°C).Heat index
In September, the heat index is computed to be a hot 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. 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. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In Como, Tennessee, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.97" (50mm) of precipitation.Snowfall
In Como, snow does not fall in April through October.Daylight
In September, the average length of the day 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 6:48 am and sunset at 6:38 pm CDT.
Sunshine
In Como, the average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Como, TN
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in September: 62.4°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 (30.4°F).
Average pressure in September
Como, 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
Como, TN
- Average wind speed in September: 6.1mph
The windiest months (with the highest average wind speed) are January, February and April (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in September
Como, 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 (71%).
Average rainfall in September
Como, TN
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is February (4.49").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Como, TN
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in September
Como, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Como, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Como, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Como, TN
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Como, 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
Como, TN
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Como, 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).





