September weather forecast
Spring Lake, NC

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Weather in September

September, the first month of the autumn in Spring Lake, is still a warm month, with an average temperature varying between 82.4°F (28°C) and 65.1°F (18.4°C).

Temperature

Spring Lake experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a tropical 87.8°F (31°C) in August to a moderately hot 82.4°F (28°C). During the month of September, the nighttime temperature falls to an average of 65.1°F (18.4°C).

Heat index

The heat index in September is evaluated at a hot 89.6°F (32°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

May, September and December, with an average relative humidity of 76%, are the most humid months in Spring Lake.

Rainfall

In September, the rain falls for 13.5 days. Throughout September, 3.19" (81mm) of precipitation is accumulated. In Spring Lake, during the entire year, the rain falls for 165.9 days and collects up to 33.58" (853mm) of precipitation.

Snowfall

In Spring Lake, North Carolina, snow does not fall in April through October.

Daylight

In September, the average length of the day in Spring Lake is 12h and 23min.
On the first day of the month, sunrise is at 6:48 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:10 am and sunset at 7:00 pm EDT.

Sunshine

In September, the average sunshine in Spring Lake is 9.1h.

UV index

In September, the average daily maximum UV index in Spring Lake, North Carolina, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

Is it hot in Spring Lake during September?

In September, the average high-temperature and low-temperature in Spring Lake, North Carolina, are 82.4°F (28°C) and 65.1°F (18.4°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 89.6°F (32°C).

What are the most humid months in Spring Lake?

The months with the highest humidity in Spring Lake are May, September and December, with an average relative humidity of 76%.

What is the average humidity in September in Spring Lake?

The average relative humidity in September in Spring Lake, North Carolina, is 76%.

How many days does it rain in September in Spring Lake?

In Spring Lake, North Carolina, in September, it is raining for 13.5 days, with typically 3.19" (81mm) of accumulated precipitation.

When it does not snow in Spring Lake?

In Spring Lake, snow does not fall in April through October.

What is the average length of the day in September in Spring Lake?

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

When are sunrise and sunset in September in Spring Lake?

On the first day of September in Spring Lake, sunrise is at 6:48 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:00 pm EDT.

How long on average sun shines in September in Spring Lake?

The average sunshine duration in September in Spring Lake is 9.1h.

How high is the UV index in September in Spring Lake?

In September, the average daily maximum UV index in Spring Lake, North Carolina, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Spring Lake, NC

Average temperature in September - Spring Lake, NC
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (50°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

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Average pressure in September
Spring Lake, NC

Average pressure in September - Spring Lake, NC
  • Average pressure in September: 30.02"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in September
Spring Lake, NC

Average wind speed in September - Spring Lake, NC
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in September
Spring Lake, NC

Average humidity in September - Spring Lake, NC
  • Average humidity in September: 76%

The months with the highest relative humidity are May, September and December (76%).
The month with the lowest relative humidity is November (72%).

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Average rainfall in September
Spring Lake, NC

Average rainfall in September - Spring Lake, NC
  • Average rainfall in September: 3.19"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.09").

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Average rainfall days in September
Spring Lake, NC

Average rainfall days in September - Spring Lake, NC
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in September
Spring Lake, NC

Average snowfall in September - Spring Lake, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Spring Lake, NC

Average snowfall days in September - Spring Lake, NC
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Spring Lake, NC

Average daylight in September / Average sunshine in September - Spring Lake, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Spring Lake, NC

Average sunshine days in September - Spring Lake, NC
  • Average sunshine days in September: 14.8 days

The months with the most sunshine days are October and November (19.6 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in September
Spring Lake, NC

Average UV index in September - Spring Lake, NC
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in September
Spring Lake, NC

Average cloud cover in September - Spring Lake, NC
  • Average cloud cover in September: 35

The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in September
Spring Lake, NC

Average visibility in September - Spring Lake, 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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Spring Lake, North Carolina, USA

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