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
Manns Harbor's September showcases an average high-temperature of a still moderately hot 77.7°F (25.4°C), hardly distinct from August's 81.5°F (27.5°C). Nighttime temperatures hover around an average low of 72.9°F (22.7°C) in September, a slight descent from daytime highs.Humidity
In September, the average relative humidity is 77%.Rainfall
In September, the rain falls for 16.3 days. Throughout September, 3.11" (79mm) of precipitation is accumulated. In Manns Harbor, during the entire year, the rain falls for 165.9 days and collects up to 26.5" (673mm) of precipitation.Snowfall
In Manns Harbor, snow does not fall in April through December.Daylight
In Manns Harbor, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:30 pm. On the last day of September, in Manns Harbor, sunrise is at 6:57 am and sunset at 6:47 pm EDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 during September leads to these advisories:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Manns Harbor?
What is the UV index intensity in September?
Average temperature in September
Manns Harbor, 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
Manns Harbor, 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
Manns Harbor, 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
Manns Harbor, 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
Manns Harbor, 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
Manns Harbor, 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
Manns Harbor, 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
Manns Harbor, 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 daylight in September /
Average sunshine in September
Manns Harbor, 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 48min).
- Average sunshine in September: 9h and 3min
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
Manns Harbor, 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
Manns Harbor, 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
Manns Harbor, 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
Manns Harbor, 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).
Manns Harbor, North Carolina, USA
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