September weather forecast
Spring Lake, NC

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Weather in September

September, the first month of the autumn in Spring Lake, is also a moderately hot month, with an average temperature ranging between max 82.4°F (28°C) and min 65.1°F (18.4°C).

Temperature

Spring Lake's September weather shows a modest shift in high-temperatures, falling from August's tropical 87.8°F (31°C) to a moderately hot 82.4°F (28°C). Throughout the month of September, Spring Lake witnesses an average low-temperature of 65.1°F (18.4°C).

Heat index

Throughout September, the heat index is estimated at a hot 89.6°F (32°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

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

Rainfall

In Spring Lake, in September, during 13.5 rainfall days, 3.19" (81mm) of precipitation is typically 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

April through October are months without snowfall.

Daylight

In Spring Lake, the average length of the day in September is 12h and 23min.
On the first day of September, 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.

Sunshine

In September, the average sunshine is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

In Spring Lake, 82.4°F (28°C) is the average high-temperature and 65.1°F (18.4°C) is the average low-temperature during September. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is estimated at 89.6°F (32°C).

What are the most humid months?

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

What is the average humidity in September?

The average relative humidity in September is 76%.

How many days does it rain in September?

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

How many hours of daylight does Spring Lake have in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September?

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

How many hours of sunshine does Spring Lake have in September?

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

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Spring Lake, North Carolina, USA

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