September weather forecastSweetgum, TN
September
Weather in September
September, the first month of the autumn in Sweetgum, is also a moderately hot month, with an average temperature varying between 59°F (15°C) and 79.3°F (26.3°C).Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from 84.7°F (29.3°C) in August to a still warm 79.3°F (26.3°C). Sweetgum's September nights cool down to an average low-temperature of 59°F (15°C).Humidity
In Sweetgum, the average relative humidity in September is 78%.Rainfall
In Sweetgum, Tennessee, in September, during 14.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Sweetgum, during the entire year, the rain falls for 183.1 days and collects up to 37.68" (957mm) of precipitation.Snowfall
May through October are months without snowfall in Sweetgum.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:14 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:26 pm CDT.
Sunshine
In Sweetgum, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sweetgum, TN
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in September
Sweetgum, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Sweetgum, TN
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in September
Sweetgum, TN
- Average humidity in September: 78%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in September
Sweetgum, TN
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in September
Sweetgum, TN
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Sweetgum, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Sweetgum, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.7 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
Sweetgum, 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 6min
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 30min).
Average sunshine days in September
Sweetgum, TN
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in September
Sweetgum, 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 and December (UV index 2).
Average cloud cover in September
Sweetgum, TN
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Sweetgum, TN
- Average visibility in September: 5mi
The months with the highest visibility are June and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October and December (5mi).
