September weather forecastSunbury, NC
September
Weather in September
September, the first month of the autumn in Sunbury, is still a warm month, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 80.4°F (26.9°C).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a tropical 86.2°F (30.1°C) in August to a warm 80.4°F (26.9°C). Sunbury, during September nights, observes an average temperature of 65.3°F (18.5°C).Humidity
In Sunbury, the average relative humidity in September is 77%.Rainfall
In Sunbury, during September, the rain falls for 10.8 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Sunbury, there are 132.2 rainfall days, and 14.61" (371mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:38 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:50 pm EDT.
Sunshine
In September, the average sunshine in Sunbury is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. 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
Sunbury, NC
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in September
Sunbury, NC
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Sunbury, NC
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Sunbury, NC
- Average humidity in September: 77%
The months with the highest relative humidity are May and December (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in September
Sunbury, NC
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in September
Sunbury, NC
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in September
Sunbury, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sunbury, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sunbury, NC
- Average daylight in September: 12h and 24min
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: 9h and 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Sunbury, NC
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in September
Sunbury, NC
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Sunbury, NC
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Sunbury, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





