September weather forecastTroutville, PA
September
Weather in September
September, the first month of the autumn in Troutville, is still a pleasant month, with an average temperature ranging between max 72.3°F (22.4°C) and min 51.8°F (11°C).Temperature
In Troutville, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 78.4°F (25.8°C) to a pleasant 72.3°F (22.4°C). An average nighttime temperature of 51.8°F (11°C) is witnessed throughout September.Humidity
The average relative humidity in September is 80%.Rainfall
In Troutville, in September, during 14.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 177 rainfall days, and 34.29" (871mm) of precipitation is accumulated.Snowfall
In Troutville, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:58 pm EDT.
Sunshine
In Troutville, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Troutville, PA
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Troutville, PA
- Average pressure in September: 30.06"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
Troutville, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Troutville, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in September
Troutville, PA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in September
Troutville, PA
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Troutville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Troutville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Troutville, PA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Troutville, PA
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
Troutville, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Troutville, PA
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Troutville, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).





