September weather forecastPenn Laird, VA
September
Weather in September
The first month of the autumn, September, is still a warm month in Penn Laird, Virginia, with an average temperature varying between 54.5°F (12.5°C) and 75.4°F (24.1°C).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's moderately hot 82°F (27.8°C) to a still warm 75.4°F (24.1°C). Penn Laird's nighttime temperature during September is consistently averaged at a cool 54.5°F (12.5°C).Humidity
May, September and October, with an average relative humidity of 78%, are the most humid months in Penn Laird.Rainfall
In Penn Laird, Virginia, during September, the rain falls for 14.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Penn Laird, 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 Penn Laird is 12h and 25min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:59 pm EDT.
Sunshine
In September, the average sunshine in Penn Laird is 8.5h.UV index
In September, the average daily maximum UV index in Penn Laird is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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
Penn Laird, 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).
