September weather forecastManteo, NC
September
Weather in September
The first month of the autumn, September, is still a warm month in Manteo, North Carolina, with an average temperature ranging between min 72.9°F (22.7°C) and max 77.7°F (25.4°C).Temperature
Upon the beginning of September, Manteo's high-temperatures register at a still moderately hot 77.7°F (25.4°C), closely mirroring the preceding month. Throughout September, Manteo reports a steady low-temperature average of 72.9°F (22.7°C), slightly lower than its daytime counterpart.Humidity
In September, the average relative humidity is 77%.Rainfall
In Manteo, during September, the rain falls for 16.3 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 165.9 rainfall days, and 26.5" (673mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall.Ocean temperature
In Manteo, in September, the average water temperature is 78.3°F (25.7°C).Note: Water activities in surface temperatures between 77°F (25°C) and 84.2°F (29°C) are seen as exceptional and extremely agreeable for lengthened time spans.
Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:35 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:47 pm EDT.
Sunshine
In Manteo, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Heads up! UV intensity is amplified by reflections from water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Manteo, NC
- Average high temperature in September: 77.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 72.9°F
The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).
Average pressure in September
Manteo, NC
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Manteo, NC
- Average wind speed in September: 11.9mph
The windiest month (with the highest average wind speed) is March (14mph).
The calmest month (with the lowest average wind speed) is August (10mph).
Average humidity in September
Manteo, NC
- Average humidity in September: 77%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in September
Manteo, NC
- Average rainfall in September: 3.11"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Manteo, NC
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is August (19.4 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in September
Manteo, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Manteo, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Manteo, NC
- Average sea temperature in September: 78.2°F
The best month for swimming (with the highest average sea temperature) is August (81.7°F).
The coldest month (with the lowest average sea temperature) is February (53.3°F).
Average daylight in September /
Average sunshine in September
Manteo, 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 48min).
- Average sunshine in September: 9h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Manteo, NC
- Average sunshine days in September: 11 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is August (8 days).
Average UV index in September
Manteo, NC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Manteo, NC
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in September
Manteo, 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).
