September weather forecastMount Solon, VA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Mount Solon, Virginia, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 54.5°F (12.5°C).Temperature
As September arrives, Mount Solon's weather displays a minor decrease in high-temperatures, transitioning from August's warm 82°F (27.8°C) to a still moderately hot 75.4°F (24.1°C). Mount Solon experiences an average nighttime temperature of 54.5°F (12.5°C) in the month of September.Humidity
May, September and October, with an average relative humidity of 78%, are the most humid months.Rainfall
In Mount Solon, Virginia, during September, the rain falls for 14.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Mount Solon, during the entire year, the rain falls for 167.3 days and collects up to 30.35" (771mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Mount Solon is 12h and 25min.On the first day of September in Mount Solon, sunrise is at 6:46 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:00 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Mount Solon is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Solon, VA
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Mount Solon, VA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Mount Solon, VA
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Mount Solon, VA
- Average humidity in September: 78%
The months with the highest relative humidity are May, September and October (78%).
The months with the lowest relative humidity are January and July (74%).
Average rainfall in September
Mount Solon, VA
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in September
Mount Solon, VA
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
Mount Solon, VA
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mount Solon, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mount Solon, VA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Mount Solon, VA
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in September
Mount Solon, VA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mount Solon, VA
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in September
Mount Solon, VA
- Average visibility in September: 5mi
The months with the highest visibility are February, April, June, July and November (6mi).
The months with the lowest visibility are January, March, May, August, September, October and December (5mi).





