September weather forecastWytheville, VA
September
Weather in September
With September, Wytheville, Virginia, experiences a decrease in heat as the summer season begins to transition into autumn. A slight reduction in temperature to 74.5°F (23.6°C) provides relief from the summer peak. The changing colors of the trees and the cooling temperatures make this month a visually pleasing time to visit the city parks. While the daylight hours start to decrease, the weather conditions remain favorable for outdoor pursuits. With autumn at the doorstep, the weather in September offers a pleasant mix of summer's finish and fall's beginning.Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a warm 80.2°F (26.8°C) in August to a still moderately hot 74.5°F (23.6°C). Wytheville anticipates a considerable daily temperature fluctuation in September, with low temperatures averaging a fresh 52.7°F (11.5°C).Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 16.5 days and accumulates 1.69" (43mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Wytheville, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:08 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Wytheville, Virginia, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Around midday, solar radiation is most harmful; hence, exposure should be limited. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wytheville, VA
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in September
Wytheville, VA
- 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 (29.99"Hg).
Average wind speed in September
Wytheville, VA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Wytheville, VA
- Average humidity in September: 79%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April, June, July and November (77%).
Average rainfall in September
Wytheville, VA
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Wytheville, VA
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Wytheville, VA
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Wytheville, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wytheville, VA
- 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 42min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Wytheville, VA
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in September
Wytheville, VA
- 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, November and December (UV index 2).
Average cloud cover in September
Wytheville, VA
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in September
Wytheville, VA
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
