Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Transitioning from August to September, Rogersville observes an average high-temperature of a still warm 80.2°F (26.8°C), differing subtly from the previous month. Rogersville receives a consistent average low-temperature of 57.2°F (14°C) in September, a substantial dip from the day's heat.Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.3" (33mm) of precipitation.Snowfall
May through September 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 7:04 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:16 pm EDT.
Sunshine
In Rogersville, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in Rogersville in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Rogersville have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Rogersville have in September?
What is the UV index intensity in September?
Average temperature in September
Rogersville, TN
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Rogersville, TN
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Rogersville, TN
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Rogersville, TN
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in September
Rogersville, TN
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is February (3.46").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in September
Rogersville, TN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Rogersville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Rogersville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 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
Rogersville, TN
- Average daylight in September: 12h and 2min
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 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Rogersville, TN
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in September
Rogersville, 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
Rogersville, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Rogersville, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Rogersville, Tennessee, USA
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