September weather forecastWaves, NC
September
Weather in September
The first month of the autumn, September, is still a warm month in Waves, North Carolina, with an average temperature fluctuating between 77.9°F (25.5°C) and 75°F (23.9°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 81.1°F (27.3°C). During September, nights cool slightly to an average low of 75°F (23.9°C).Humidity
In Waves, the average relative humidity in September is 77%.Rainfall
In Waves, North Carolina, during September, the rain falls for 16.6 days and regularly aggregates up to 4.33" (110mm) of precipitation. Throughout the year, there are 193.7 rainfall days, and 46.06" (1170mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Ocean temperature
In Waves, in September, the average water temperature is 77.4°F (25.2°C).Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.
Daylight
The average length of the day in September in Waves, North Carolina, is 12h and 23min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:46 pm EDT.
Sunshine
In Waves, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September in Waves is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during September translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun. Caution! The Sun's UV intensity grows with reflections off sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Waves, NC
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (54.5°F).
- Average low temperature in September: 75°F
The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in September
Waves, NC
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January, November and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Waves, NC
- Average wind speed in September: 13.5mph
The windiest months (with the highest average wind speed) are February and March (17.1mph).
The calmest month (with the lowest average wind speed) is August (12.1mph).
Average humidity in September
Waves, NC
- Average humidity in September: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Waves, NC
- Average rainfall in September: 4.33"
The wettest month (with the highest rainfall) is August (5.16").
The driest month (with the least rainfall) is January (2.52").
Average rainfall days in September
Waves, NC
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is August (20.6 days).
The months with the least rainy days are January, February and October (13.5 days).
Average snowfall in September
Waves, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Waves, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Waves, NC
- Average sea temperature in September: 77.4°F
The best month for swimming (with the highest average sea temperature) is August (81.1°F).
The coldest month (with the lowest average sea temperature) is February (50.5°F).
Average daylight in September /
Average sunshine in September
Waves, 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: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in September
Waves, NC
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in September
Waves, NC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Waves, NC
- Average cloud cover in September: 32
The months with the most cloud cover are January, February and March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Waves, 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).





