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
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from 83.8°F (28.8°C) in August to a still moderately hot 78.3°F (25.7°C). September sees the temperature falling to a mean low of 57.6°F (14.2°C).Humidity
The months with the highest humidity are May, September and December, with an average relative humidity of 77%.Rainfall
In September, the rain falls for 14.5 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In Roaring River, during the entire year, the rain falls for 171 days and collects up to 32.76" (832mm) of precipitation.Snowfall
In Roaring River, snow does not fall in June through October.Daylight
The average length of the day in September in Roaring River is 12h and 24min.On the first day of September, sunrise is at 6:56 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 Roaring River, the average sunshine in September is 8.5h.UV index
In Roaring River, North Carolina, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Take necessary precautions - Defending against sun damage is advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What are the most humid months?
What is the average humidity in September in Roaring River?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Roaring River, NC
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in September
Roaring River, 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 River, NC
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Roaring River, NC
- Average humidity in September: 77%
The months with the highest relative humidity are May, September and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Roaring River, NC
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is April (3.66").
The driest month (with the least rainfall) is October (2.05").
Average rainfall days in September
Roaring River, NC
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in September
Roaring River, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Roaring River, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 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 River, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Roaring River, NC
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Roaring River, NC
- 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
Roaring River, NC
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Roaring River, NC
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are May, September and December (5mi).
Roaring River, North Carolina, USA
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