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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's moderately hot 80.6°F (27°C) to a still warm 74.8°F (23.8°C). The significant decline in Shawver Mill's temperature, from day to night, averages of 52.9°F (11.6°C) in September.Humidity
In Shawver Mill, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Shawver Mill. Rain falls for 16.1 days and accumulates 1.54" (39mm) of precipitation.Snowfall
June through September are months without snowfall in Shawver Mill.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:09 pm EDT.
Sunshine
In September, the average sunshine in Shawver Mill is 8.3h.UV index
In Shawver Mill, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are September temperatures in Shawver Mill?
What is the average humidity in September in Shawver Mill?
What is the driest month in Shawver Mill?
How many days does it rain in September in Shawver Mill?
When it does not snow in Shawver Mill?
Does it snow in Shawver Mill in September?
What is the average length of the day in September in Shawver Mill?
What time are sunrise and sunset in September in Shawver Mill?
How many hours of sunshine does Shawver Mill have in September?
What is the UV index intensity in September in Shawver Mill?
Average temperature in September
Shawver Mill, VA
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in September: 52.9°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 (23.9°F).
Average pressure in September
Shawver Mill, 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 (29.99"Hg).
Average wind speed in September
Shawver Mill, VA
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Shawver Mill, VA
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (76%).
Average rainfall in September
Shawver Mill, VA
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Shawver Mill, VA
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is January (10 days).
Average snowfall in September
Shawver Mill, VA
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Shawver Mill, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shawver Mill, VA
- Average daylight in September: 12h and 2min
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 42min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Shawver Mill, VA
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (7.1 days).
Average UV index in September
Shawver Mill, VA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Shawver Mill, VA
- Average cloud cover in September: 42
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in September
Shawver Mill, VA
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Shawver Mill, Virginia, USA
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