September weather forecastMaryus, VA
September
Weather in September
The first month of the autumn, September, is still a warm month in Maryus, Virginia, with an average temperature varying between 79.9°F (26.6°C) and 66.6°F (19.2°C).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from 85.6°F (29.8°C) in August to a still moderately hot 79.9°F (26.6°C). During September nights, Maryus witnesses a consistent average temperature of 66.6°F (19.2°C).Humidity
The average relative humidity in September in Maryus is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13 days and accumulates 2.4" (61mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Maryus is 12h and 25min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:34 pm. On the last day of September, in Maryus, sunrise is at 7:00 am and sunset at 6:49 pm EDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In Maryus, Virginia, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during September leads to these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Maryus, VA
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 66.6°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Maryus, VA
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Maryus, VA
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Maryus, VA
- Average humidity in September: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Maryus, VA
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in September
Maryus, VA
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Maryus, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Maryus, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Maryus, VA
- Average daylight in September: 12h and 24min
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: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Maryus, VA
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Maryus, VA
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Maryus, VA
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Maryus, VA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





