September weather forecastHalltown, TN
September
Weather in September
The first month of the autumn, September, is still a warm month in Halltown, Tennessee, with an average temperature ranging between max 80.2°F (26.8°C) and min 61°F (16.1°C).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's warm 85.6°F (29.8°C) to a still moderately hot 80.2°F (26.8°C). Halltown reports an average nighttime low-temperature of 61°F (16.1°C) in September.Humidity
In Halltown, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.2 days and typically collects 2.05" (52mm) of precipitation.Snowfall
In Halltown, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:29 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Halltown, TN
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Halltown, TN
- Average pressure in September: 30.03"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
Halltown, TN
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Halltown, TN
- Average humidity in September: 77%
The months with the highest relative humidity are February, March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Halltown, TN
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Halltown, TN
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Halltown, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Halltown, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 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
Halltown, 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: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Halltown, TN
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Halltown, 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, February and December (UV index 2).
Average cloud cover in September
Halltown, TN
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Halltown, TN
- Average visibility in September: 6mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).
