September weather forecastTroutville, VA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Troutville, Virginia, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 77.9°F (25.5°C).Temperature
With the onset of September, Troutville experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderately hot 84.7°F (29.3°C) in August to a still warm 77.9°F (25.5°C). Troutville, in the month of September, anticipates a consistent average low-temperature of 56.7°F (13.7°C).Humidity
In Troutville, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall in Troutville. Rain falls for 9.8 days and accumulates 0.87" (22mm) of precipitation.Snowfall
In Troutville, Virginia, snow does not fall in May through October.Daylight
In Troutville, the average length of the day in September is 12h and 25min.On the first day of September in Troutville, sunrise is at 6:50 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:03 pm EDT.
Sunshine
In Troutville, Virginia, the average sunshine in September is 8.4h.UV index
In Troutville, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Troutville, 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
Troutville, 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
Troutville, 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
Troutville, 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
Troutville, 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
Troutville, 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
Troutville, 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
Troutville, 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
Troutville, 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: 8h and 24min
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
Troutville, 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
Troutville, 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
Troutville, 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
Troutville, 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).
