September weather forecastBristol, TN
September
Weather in September
September marks the beginning of fall in Bristol, accompanied by milder temperatures and scarcer rains. There's a noticeable dip in daily high temperatures, now averaging 79.1°F (26.2°C), while the low hovers around 56.6°F (13.7°C). Rainfall dwindles to 3" (76mm), the lowest in the past few months. With the foliage starting to change color, the city begins to showcase the spectacular beauty of the upcoming season.Temperature
Welcoming September, Bristol notes an average high-temperature of a still warm 79.2°F (26.2°C), nearly consistent with August's 84°F (28.9°C). A significant drop from the day's peak to an average low-temperature of 56.7°F (13.7°C) is noted during the nights in September.Rainfall
Throughout September, 2.99" (76mm) of precipitation is accumulated. During the entire year, Bristol aggregates up to 41.14" (1045mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:13 pm EDT.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In September, the average high-temperature and low-temperature are 79.2°F (26.2°C) and 56.7°F (13.7°C) respectively.
Throughout September, 2.99" (76mm) of precipitation is accumulated.
In Bristol, snow does not fall in May through October.
The average day length in September is 12h and 24min.
On the first day of September, sunrise is at 7:00 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:13 pm EDT.
Average temperature in September
Bristol, TN
- Average high temperature in September: 79.1°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in September: 56.6°F
The month with the highest average low temperature is July (64.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average rainfall in September
Bristol, TN
- Average rainfall in September: 3"
The wettest month (with the highest rainfall) is July (4.7").
The driest month (with the least rainfall) is October (2.1").
Average snowfall in September
Bristol, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August, September and October (0").
Average daylight in September
Bristol, 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).





