September weather forecastVinton, VA
September
Weather in September
September, the first month of the autumn in Vinton, is still a warm month, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 56.1°F (13.4°C).Temperature
With the arrival of September, Vinton notices a mild change in the average high-temperature, sliding from August's 84.4°F (29.1°C) to a still warm 77.7°F (25.4°C). Vinton's temperature lowers to a mean of 56.1°F (13.4°C) during the nights in September.Humidity
The months with the highest humidity are May, September and December, with an average relative humidity of 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 1.61" (41mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Vinton, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:03 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vinton, VA
- Average high temperature in September: 77.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Vinton, 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 (29.98"Hg).
Average wind speed in September
Vinton, VA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Vinton, VA
- Average humidity in September: 77%
The months with the highest relative humidity are May, September and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Vinton, VA
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Vinton, VA
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in September
Vinton, VA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Vinton, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Vinton, 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 36min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Vinton, VA
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in September
Vinton, VA
- 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, November and December (UV index 2).
Average cloud cover in September
Vinton, VA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in September
Vinton, VA
- Average visibility in September: 5mi
The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).
