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
The start of September signals a gentle decrease in the average high-temperature, transitioning from 84.7°F (29.3°C) in August to a still warm 77.9°F (25.5°C). During September, Laymantown's temperature averages to a moderate 56.7°F (13.7°C) at night.Humidity
In September, the average relative humidity is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.8 days and typically collects 0.87" (22mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:03 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Laymantown, 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: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Laymantown in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Laymantown have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Laymantown have in September?
What is the UV index reading in September?
Average temperature in September
Laymantown, VA
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Laymantown, 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 (29.98"Hg).
Average wind speed in September
Laymantown, VA
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Laymantown, VA
- Average humidity in September: 77%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Laymantown, VA
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in September
Laymantown, VA
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in September
Laymantown, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Laymantown, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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
Laymantown, 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 36min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Laymantown, VA
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in September
Laymantown, 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
Laymantown, VA
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Laymantown, VA
- Average visibility in September: 5mi
The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).
Laymantown, Virginia, USA
Weather forecast for your location
2. Allow the app to use your location