September weather forecastCedar Mountain, NC
September
Weather in September
September, the first month of the autumn in Cedar Mountain, is also a moderately hot month, with an average temperature ranging between min 57.4°F (14.1°C) and max 77.9°F (25.5°C).Temperature
The onset of September marks an average high-temperature of a still moderately hot 77.9°F (25.5°C), hardly differing from August's 82.9°F (28.3°C). Throughout the month of September, Cedar Mountain witnesses an average temperature of 57.4°F (14.1°C).Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.5 days and typically collects 2.2" (56mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Cedar Mountain, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cedar Mountain, NC
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in September: 57.4°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 (29.5°F).
Average pressure in September
Cedar Mountain, NC
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Cedar Mountain, NC
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Cedar Mountain, NC
- Average humidity in September: 76%
The months with the highest relative humidity are May and December (77%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Cedar Mountain, NC
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is December (4.53").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Cedar Mountain, NC
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Cedar Mountain, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Cedar Mountain, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cedar Mountain, NC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Cedar Mountain, NC
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in September
Cedar Mountain, NC
- Average UV index in September: 5
The months with the highest UV index are 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
Cedar Mountain, NC
- Average cloud cover in September: 33
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Cedar Mountain, NC
- Average visibility in September: 5mi
The months with the highest visibility are February, June, July, August, October and November (6mi).
The months with the lowest visibility are January, March, April, May, September and December (5mi).





