Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A subtle shift in Sperryville's weather is observed as August turns into September, with the average high temperature reducing from a warm 82.9°F (28.3°C) to a still moderately hot 75.9°F (24.4°C). During September nights, Sperryville witnesses a consistent average temperature of 55.4°F (13°C).Humidity
The months with the highest humidity are September and October, with an average relative humidity of 79%.Rainfall
In September, the rain falls for 10.6 days. Throughout September, 0.63" (16mm) of precipitation is accumulated. Throughout the year, in Sperryville, there are 116.3 rainfall days, and 9.72" (247mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:42 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:56 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index in Sperryville is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Sperryville?
What is the most humid month?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September in Sperryville?
When are sunrise and sunset in September?
How many hours of sunshine does Sperryville have in September?
How high is the UV index in September?
Average temperature in September
Sperryville, VA
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in September
Sperryville, VA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Sperryville, VA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Sperryville, VA
- Average humidity in September: 79%
The months with the highest relative humidity are September and October (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Sperryville, VA
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Sperryville, VA
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Sperryville, VA
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Sperryville, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sperryville, VA
- Average daylight in September: 12h and 2min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Sperryville, VA
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in September
Sperryville, VA
- Average UV index in September: 4
The months with the highest UV index are May, 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
Sperryville, VA
- Average cloud cover in September: 42
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Sperryville, VA
- Average visibility in September: 5mi
The months with the highest visibility are February, July and November (6mi).
The months with the lowest visibility are January, March, April, May, June, August, September, October and December (5mi).
Sperryville, Virginia, USA
Weather forecast for your location
2. Allow the app to use your location