September weather forecast
Riegelwood, NC

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Weather in September

September, the first month of the autumn in Riegelwood, is also a moderately hot month, with an average temperature fluctuating between 82.8°F (28.2°C) and 69.3°F (20.7°C).

Temperature

September's arrival brings an average high-temperature of a warm 82.8°F (28.2°C), slightly deviating from August's 87.6°F (30.9°C). Riegelwood sees an average low-temperature of 69.3°F (20.7°C) during September.

Heat index

The average heat index in September is calculated to be a hot 89.6°F (32°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 13.4 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. In Riegelwood, during the entire year, the rain falls for 141.7 days and collects up to 16.65" (423mm) of precipitation.

Snowfall

In Riegelwood, snow does not fall in January, March through December.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 6:46 am and sunset at 7:38 pm. On the last day of September, in Riegelwood, sunrise is at 7:07 am and sunset at 6:58 pm EDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

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 rays for average individuals.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Riegelwood?

The average high-temperature, in September, in Riegelwood, is 82.8°F (28.2°C), while the average low-temperature is 69.3°F (20.7°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 89.6°F (32°C).

What is the average humidity in September?

In Riegelwood, the average relative humidity in September is 77%.

How much does it rain in September?

In September, the rain falls for 13.4 days. Throughout September, 2.09" (53mm) of precipitation is accumulated.

When it does not snow?

In Riegelwood, snow does not fall in January, March through December.

How many hours of daylight does Riegelwood have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:46 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:58 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.3h.

What is the UV index reading in September?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high 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
Riegelwood, NC

Average temperature in September - Riegelwood, NC
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (53.2°F).

  • Average low temperature in September: 69.3°F

The month with the highest average low temperature is July (74.5°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).

Average pressure in September
Riegelwood, NC

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

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

Average wind speed in September
Riegelwood, NC

Average wind speed in September - Riegelwood, NC
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in September
Riegelwood, NC

Average humidity in September - Riegelwood, NC
  • Average humidity in September: 77%

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

Average rainfall in September
Riegelwood, NC

Average rainfall in September - Riegelwood, NC
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in September
Riegelwood, NC

Average rainfall days in September - Riegelwood, NC
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in September
Riegelwood, NC

Average snowfall in September - Riegelwood, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Riegelwood, NC

Average snowfall days in September - Riegelwood, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.4 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
Riegelwood, NC

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 2min

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

Average sunshine days in September
Riegelwood, NC

Average sunshine days in September - Riegelwood, NC
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (9.1 days).

Average UV index in September
Riegelwood, NC

Average UV index in September - Riegelwood, 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
Riegelwood, NC

Average cloud cover in September - Riegelwood, NC
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in September
Riegelwood, NC

Average visibility in September - Riegelwood, 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).

Riegelwood, North Carolina, USA

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