September weather forecast
Cedar Island, NC

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Weather in September

September, the first month of the autumn in Cedar Island, is also a moderately hot month, with an average temperature ranging between min 74.3°F (23.5°C) and max 79.7°F (26.5°C).

Temperature

Cedar Island registers an average high-temperature of a still warm 79.7°F (26.5°C) with the arrival of September, showing minor deviation from the preceding month. Cedar Island welcomes an average low temperature of 74.3°F (23.5°C) in September, a gentle shift from the day's high.

Humidity

The average relative humidity in September is 77%.

Rainfall

In Cedar Island, in September, it is raining for 17.5 days, with typically 4.49" (114mm) of accumulated precipitation. In Cedar Island, North Carolina, during the entire year, the rain falls for 181.4 days and collects up to 34.76" (883mm) of precipitation.

Snowfall

March through December are months without snowfall in Cedar Island, North Carolina.

Daylight

In September, the average length of the day in Cedar Island is 12h and 23min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:31 pm. On the last day of September, in Cedar Island, sunrise is at 6:59 am and sunset at 6:50 pm EDT.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during September leads to these advisories:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the temperature in September in Cedar Island?

An average high-temperature, in September, in Cedar Island, is 79.7°F (26.5°C) and the average low-temperature is 74.3°F (23.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is appraised at 91.4°F (33°C).

What is the average humidity in September in Cedar Island?

The average relative humidity in September in Cedar Island is 77%.

How many days does it rain in September in Cedar Island?

In Cedar Island, North Carolina, in September, it is raining for 17.5 days, with typically 4.49" (114mm) of accumulated precipitation.

When it does not snow in Cedar Island?

March through December are months without snowfall in Cedar Island.

What is the average length of the day in September in Cedar Island?

The average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Cedar Island?

In September, on the first day of the month, sunrise is at 6:38 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:50 pm EDT.

How many hours of sunshine does Cedar Island have in September?

In Cedar Island, the average sunshine duration in September is 9.6h.

What is the UV index intensity in September in Cedar Island?

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

Average temperature in September
Cedar Island, NC

Average temperature in September - Cedar Island, NC
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in September: 74.3°F

The month with the highest average low temperature is July (78.3°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).

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Average pressure in September
Cedar Island, NC

Average pressure in September - Cedar Island, NC
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Cedar Island, NC

Average wind speed in September - Cedar Island, NC
  • Average wind speed in September: 11.6mph

The windiest months (with the highest average wind speed) are February and March (14mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).

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Average humidity in September
Cedar Island, NC

Average humidity in September - Cedar Island, NC
  • Average humidity in September: 77%

The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are February, March and October (74%).

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Average rainfall in September
Cedar Island, NC

Average rainfall in September - Cedar Island, NC
  • Average rainfall in September: 4.49"

The wettest month (with the highest rainfall) is August (4.84").
The driest month (with the least rainfall) is January (1.3").

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Average rainfall days in September
Cedar Island, NC

Average rainfall days in September - Cedar Island, NC
  • Average rainfall days in September: 17.5 days

The month with the highest number of rainy days is August (22.3 days).
The months with the least rainy days are February and November (11.1 days).

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Average snowfall in September
Cedar Island, NC

Average snowfall in September - Cedar Island, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Cedar Island, NC

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

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Cedar Island, NC

Average daylight in September / Average sunshine in September - Cedar Island, NC
  • Average daylight in September: 12h and 2min

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 4min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Cedar Island, NC

Average sunshine days in September - Cedar Island, NC
  • Average sunshine days in September: 9.7 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is August (5.9 days).

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Average UV index in September
Cedar Island, NC

Average UV index in September - Cedar 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
Cedar Island, NC

Average cloud cover in September - Cedar Island, NC
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in September
Cedar Island, NC

Average visibility in September - Cedar 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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Cedar Island, North Carolina, USA

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