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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from 80.2°F (26.8°C) in August to a still moderately hot 74.7°F (23.7°C). Roaring Gap, during the nights of September, experiences an average temperature drop to a cool 54.5°F (12.5°C).Humidity
The months with the highest humidity are May, September and December, with an average relative humidity of 79%.Rainfall
In September, the rain falls for 15.3 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 163.8 rainfall days, and 36.34" (923mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Roaring Gap, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:55 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:08 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. 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
What is the usual temperature for Roaring Gap in September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Roaring Gap?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Roaring Gap, NC
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Roaring Gap, NC
- 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 (29.99"Hg).
Average wind speed in September
Roaring Gap, NC
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are January and February (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Roaring Gap, NC
- Average humidity in September: 79%
The months with the highest relative humidity are May, September and December (79%).
The months with the lowest relative humidity are January, June, July and November (76%).
Average rainfall in September
Roaring Gap, NC
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is October (2.32").
Average rainfall days in September
Roaring Gap, NC
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (8 days).
Average snowfall in September
Roaring Gap, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Roaring Gap, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Roaring Gap, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Roaring Gap, NC
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in September
Roaring Gap, NC
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Roaring Gap, NC
- Average cloud cover in September: 42
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in September
Roaring Gap, NC
- Average visibility in September: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
Roaring Gap, North Carolina, USA
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