September weather forecastShockeysville, VA
September
Weather in September
September, the first month of the autumn in Shockeysville, is also a moderately hot month, with an average temperature fluctuating between 77°F (25°C) and 56.7°F (13.7°C).Temperature
Shockeysville's weather subtly changes with the onset of September, barely falling from 84.2°F (29°C) in August to a still warm 77°F (25°C). In Shockeysville, an average temperature of 56.7°F (13.7°C) is noted during September nights.Humidity
In Shockeysville, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 10 days. Throughout September, 0.71" (18mm) of precipitation is accumulated. In Shockeysville, during the entire year, the rain falls for 117.3 days and collects up to 12.24" (311mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:42 am and sunset at 7:43 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 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shockeysville, VA
- Average high temperature in September: 77°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 (37.4°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Shockeysville, VA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Shockeysville, VA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is March (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Shockeysville, VA
- Average humidity in September: 77%
The months with the highest relative humidity are May, October and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Shockeysville, VA
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Shockeysville, VA
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Shockeysville, VA
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Shockeysville, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Shockeysville, VA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Shockeysville, VA
- Average sunshine days in September: 18 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (14.6 days).
Average UV index in September
Shockeysville, VA
- Average UV index in September: 4
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
Shockeysville, VA
- Average cloud cover in September: 37
The months with the most cloud cover are January, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Shockeysville, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
