September weather forecast
Bald Head Island, NC

Beautiful beach home condos along the edges of the scenic Bald Heas Island in North Carolina
Beautiful beach home condos along the edges of the scenic Bald Heas Island in North Carolina

Weather in September

September, the first month of the autumn in Bald Head Island, is also a moderately hot month, with an average temperature varying between 72.5°F (22.5°C) and 81.9°F (27.7°C).

Temperature

In Bald Head Island, North Carolina, the average high-temperature in September is relatively the same as in August - a still warm 81.9°F (27.7°C). In September, the average low-temperature is 72.5°F (22.5°C).

Heat index

In September, the average heat index is computed to be a tropical 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like clothing, metabolic differences, wind, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Bald Head Island is 76%.

Rainfall

In Bald Head Island, North Carolina, in September, during 15.5 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, in Bald Head Island, there are 157.9 rainfall days, and 24.69" (627mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:58 pm EDT.

Sunshine

In Bald Head Island, the average sunshine in September is 9.5h.

UV index

The average daily maximum UV index in September in Bald Head Island is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Bald Head Island?

The average high-temperature, in September, in Bald Head Island, is 81.9°F (27.7°C), while the average low-temperature is 72.5°F (22.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is computed to be 87.8°F (31°C).

What is the average humidity in September in Bald Head Island?

The average relative humidity in September is 76%.

How much does it rain in Bald Head Island in September?

In Bald Head Island, in September, during 15.5 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

When it does not snow in Bald Head Island?

February through December are months without snowfall in Bald Head Island, North Carolina.

What is the average length of the day in September in Bald Head Island?

In Bald Head Island, North Carolina, the average day length in September is 12h and 22min.

When are sunrise and sunset in September in Bald Head Island?

In September, on the first day of the month, sunrise is at 6:45 am and sunset at 7:38 pm. On the last day of the month, in Bald Head Island, North Carolina, sunrise is at 7:05 am and sunset at 6:58 pm EDT.

How long on average sun shines in September in Bald Head Island?

In September, the average sunshine duration in Bald Head Island is 9.5h.

What is the UV index reading in September in Bald Head Island?

In Bald Head Island, North Carolina, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bald Head Island, NC

Average temperature in September - Bald Head Island, NC
  • Average high temperature in September: 81.9°F

The warmest months (with the highest average high temperature) are July and August (85.6°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in September: 72.5°F

The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).

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Average pressure in September
Bald Head Island, NC

Average pressure in September - Bald Head Island, NC
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in September
Bald Head Island, NC

Average wind speed in September - Bald Head Island, NC
  • Average wind speed in September: 9.9mph

The windiest month (with the highest average wind speed) is February (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in September
Bald Head Island, NC

Average humidity in September - Bald Head Island, NC
  • Average humidity in September: 76%

The month with the highest relative humidity is June (78%).
The months with the lowest relative humidity are January, March, October and November (74%).

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Average rainfall in September
Bald Head Island, NC

Average rainfall in September - Bald Head Island, NC
  • Average rainfall in September: 3.27"

The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in September
Bald Head Island, NC

Average rainfall days in September - Bald Head Island, NC
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in September
Bald Head Island, NC

Average snowfall in September - Bald Head Island, 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").

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Average snowfall days in September
Bald Head Island, NC

Average snowfall days in September - Bald Head Island, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Bald Head Island, NC

Average daylight in September / Average sunshine in September - Bald Head Island, NC
  • Average daylight in September: 12h and 22min

The month with the longest days is June (Average daylight: 14h and 22min).
The month with the shortest days is December (Average daylight: 9h and 57min).

  • Average sunshine in September: 9h and 30min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Bald Head Island, NC

Average sunshine days in September - Bald Head Island, NC
  • Average sunshine days in September: 11.6 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (7.8 days).

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Average UV index in September
Bald Head Island, NC

Average UV index in September - Bald Head Island, 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).

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Average cloud cover in September
Bald Head Island, NC

Average cloud cover in September - Bald Head Island, NC
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in September
Bald Head Island, NC

Average visibility in September - Bald Head Island, 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).

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