September weather forecastGlen Wilton, VA
September
Weather in September
The first month of the autumn, September, is still a warm month in Glen Wilton, Virginia, with an average temperature ranging between max 75.9°F (24.4°C) and min 53.6°F (12°C).Temperature
A subtle shift in Glen Wilton's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 82.4°F (28°C) to a still warm 75.9°F (24.4°C). September nights showcase a dramatic shift from daytime highs to an average temperature of 53.6°F (12°C).Humidity
The months with the highest humidity are May, September and December, with an average relative humidity of 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.22" (31mm) of precipitation.Snowfall
In Glen Wilton, snow does not fall in May through September.Daylight
In Glen Wilton, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:48 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 8.5h.UV index
In Glen Wilton, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Glen Wilton, VA
- Average high temperature in September: 75.9°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 (38.1°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Glen Wilton, 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 (29.97"Hg).
Average wind speed in September
Glen Wilton, VA
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Glen Wilton, VA
- Average humidity in September: 79%
The months with the highest relative humidity are May, September and December (79%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Glen Wilton, VA
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in September
Glen Wilton, VA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
Glen Wilton, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Glen Wilton, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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
Glen Wilton, 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 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Glen Wilton, VA
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Glen Wilton, VA
- Average UV index in September: 4
The months with the highest UV index are June 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
Glen Wilton, VA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are June and July (Cloud cover 33).
Average visibility in September
Glen Wilton, VA
- Average visibility in September: 4mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are May and September (4mi).





