September weather forecastWirtz, VA
September
Weather in September
September, the first month of the autumn in Wirtz, is also a moderately hot month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 58.1°F (14.5°C).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from 84.7°F (29.3°C) in August to a still moderately hot 78.1°F (25.6°C). Wirtz witnesses an average low-temperature of 58.1°F (14.5°C) throughout the month of September.Humidity
In Wirtz, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13 days and accumulates 1.65" (42mm) of precipitation.Snowfall
In Wirtz, snow does not fall in May through October.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 in Wirtz is 8.3h.UV index
In Wirtz, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wirtz, VA
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Wirtz, 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
Wirtz, VA
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January, February and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Wirtz, VA
- Average humidity in September: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Wirtz, VA
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Wirtz, 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 (8 days).
Average snowfall in September
Wirtz, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Wirtz, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Wirtz, 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 42min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Wirtz, VA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Wirtz, VA
- Average UV index in September: 5
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 and December (UV index 2).
Average cloud cover in September
Wirtz, VA
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Wirtz, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
