September weather forecastLewisburg, WV
September
Weather in September
The arrival of September signals a gentle welcome to fall in Lewisburg. Temperatures begin to retreat from the summer highs, featuring cooler nights. Rainfall makes a gradual comeback, painting the cityscape with shades of autumn. Noticeable weather patterns transition towards a mixed palette of sun and cloud. The predominance of comfortable weather makes it an ideal month for sightseeing and explorations.Temperature
In Lewisburg, entering September brings a subtle temperature decrement, reducing from August's warm 79.5°F (26.4°C) to a pleasant 73°F (22.8°C). Lewisburg anticipates an average minimum temperature of 51.8°F (11°C) in the month of September.Humidity
In Lewisburg, the average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 16.1 days and accumulates 1.97" (50mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:05 pm EDT.
Sunshine
In September, the average sunshine is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lewisburg, WV
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
Lewisburg, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Lewisburg, WV
- Average wind speed in September: 4.4mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Lewisburg, WV
- Average humidity in September: 81%
The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April, June, July, August and November (79%).
Average rainfall in September
Lewisburg, WV
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Lewisburg, WV
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in September
Lewisburg, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lewisburg, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lewisburg, WV
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Lewisburg, WV
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (7 days).
Average UV index in September
Lewisburg, WV
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Lewisburg, WV
- Average cloud cover in September: 47
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in September
Lewisburg, WV
- Average visibility in September: 4mi
The months with the highest visibility are March, April, June, July and November (5mi).
The months with the lowest visibility are January, February, May, August, September, October and December (4mi).





