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
As September begins, there is a minor decrease in the average high-temperature, softly falling from 82.9°F (28.3°C) in August to a still moderately hot 76.1°F (24.5°C). During September, Weyers Cave witnesses a consistent average low-temperature of 55.6°F (13.1°C).Humidity
The months with the highest humidity in Weyers Cave are May, September and October, with an average relative humidity of 78%.Rainfall
In Weyers Cave, Virginia, in September, during 14.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Weyers Cave, there are 164.3 rainfall days, and 30.08" (764mm) of precipitation is accumulated.Snowfall
In Weyers Cave, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:45 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:59 pm EDT.
Sunshine
The average sunshine in September in Weyers Cave is 8.6h.UV index
In September, the average daily maximum UV index in Weyers Cave is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the usual temperature for Weyers Cave in September?
What are the most humid months in Weyers Cave?
What is the average humidity in September in Weyers Cave?
How much does it rain in Weyers Cave in September?
When it does not snow in Weyers Cave?
Does it snow in Weyers Cave in September?
How many hours of daylight does Weyers Cave have in September?
When is the sunrise / sunset in September in Weyers Cave?
How long on average sun shines in September in Weyers Cave?
What is the UV index reading in September in Weyers Cave?
Average temperature in September
Weyers Cave, VA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 55.6°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 (24.3°F).
Average pressure in September
Weyers Cave, 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
Weyers Cave, VA
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Weyers Cave, 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, June and July (74%).
Average rainfall in September
Weyers Cave, VA
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in September
Weyers Cave, VA
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
Weyers Cave, VA
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Weyers Cave, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Weyers Cave, 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 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Weyers Cave, VA
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Weyers Cave, 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
Weyers Cave, 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 31).
Average visibility in September
Weyers Cave, VA
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Weyers Cave, Virginia, USA
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