September weather forecastCypress Inn, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Cypress Inn, Tennessee, with an average temperature fluctuating between 63.5°F (17.5°C) and 82.8°F (28.2°C).Temperature
Stepping into September, Cypress Inn records an average high-temperature of a moderately hot 82.8°F (28.2°C), almost consistent with August. During September nights, Cypress Inn records an average temperature of 63.5°F (17.5°C).Heat index
September's mean heat index is computed to be a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In Cypress Inn, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 2.68" (68mm) of precipitation is accumulated. In Cypress Inn, during the entire year, the rain falls for 178.6 days and collects up to 41.26" (1048mm) of precipitation.Snowfall
In Cypress Inn, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:36 pm CDT.
Sunshine
In Cypress Inn, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cypress Inn, TN
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in September: 63.5°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 (33.1°F).
Average pressure in September
Cypress Inn, 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 (29.97"Hg).
Average wind speed in September
Cypress Inn, TN
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in September
Cypress Inn, TN
- Average humidity in September: 74%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Cypress Inn, TN
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is November (2.56").
Average rainfall days in September
Cypress Inn, TN
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in September
Cypress Inn, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Cypress Inn, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Cypress Inn, TN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in September
Cypress Inn, TN
- Average sunshine days in September: 14.2 days
The months with the most sunshine days are October and November (17.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Cypress Inn, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Cypress Inn, TN
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Cypress Inn, 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).





