September weather forecast
Wilsons Mills, NC

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Weather in September

September, the first month of the autumn in Wilsons Mills, is also a moderately hot month, with an average temperature varying between 81.5°F (27.5°C) and 64.9°F (18.3°C).

Temperature

The shift from August to September is characterized by an average high-temperature of a warm 81.5°F (27.5°C), not significantly different from the 86.5°F (30.3°C) of August. Throughout the month of September, Wilsons Mills witnesses an average temperature of 64.9°F (18.3°C).

Heat index

September's heat index is computed to be a tropical 87.8°F (31°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

May, August and September, with an average relative humidity of 77%, are the most humid months.

Rainfall

In September, the rain falls for 10.1 days. Throughout September, 0.79" (20mm) of precipitation is accumulated. In Wilsons Mills, during the entire year, the rain falls for 115.7 days and collects up to 11.06" (281mm) of precipitation.

Snowfall

In Wilsons Mills, snow does not fall in March through December.

Daylight

The average length of the day in September in Wilsons Mills is 12h and 23min.
On the first day of September, sunrise is at 6:46 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:58 pm EDT.

Sunshine

In Wilsons Mills, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September in Wilsons Mills is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Wilsons Mills?

The high-temperature, in September, in Wilsons Mills, records 81.5°F (27.5°C), while the low-temperature is 64.9°F (18.3°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 87.8°F (31°C).

What are the most humid months in Wilsons Mills?

May, August and September, with an average relative humidity of 77%, are most humid months.

What is the average humidity in September in Wilsons Mills?

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

How many days does it rain in September in Wilsons Mills?

In Wilsons Mills, North Carolina, during September, the rain falls for 10.1 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Wilsons Mills?

March through December are months without snowfall in Wilsons Mills, North Carolina.

How many hours of daylight does Wilsons Mills have in September?

In September, the average day length in Wilsons Mills, North Carolina, is 12h and 23min.

What time are sunrise and sunset in September in Wilsons Mills?

In September, on the first day of the month, sunrise is at 6:46 am and sunset at 7:40 pm. On the last day of the month, in Wilsons Mills, North Carolina, sunrise is at 7:08 am and sunset at 6:58 pm EDT.

How long on average sun shines in September in Wilsons Mills?

In Wilsons Mills, the average sunshine duration in September is 9h.

What is the UV index intensity in September in Wilsons Mills?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Wilsons Mills, NC

Average temperature in September - Wilsons Mills, NC
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (48.9°F).

  • Average low temperature in September: 64.9°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

Average pressure in September
Wilsons Mills, NC

Average pressure in September - Wilsons Mills, NC
  • Average pressure in September: 30.02"Hg

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

Average wind speed in September
Wilsons Mills, NC

Average wind speed in September - Wilsons Mills, NC
  • Average wind speed in September: 6.7mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in September
Wilsons Mills, NC

Average humidity in September - Wilsons Mills, NC
  • Average humidity in September: 77%

The months with the highest relative humidity are May, August and September (77%).
The months with the lowest relative humidity are January, March and November (73%).

Average rainfall in September
Wilsons Mills, NC

Average rainfall in September - Wilsons Mills, NC
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in September
Wilsons Mills, NC

Average rainfall days in September - Wilsons Mills, NC
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (6.5 days).

Average snowfall in September
Wilsons Mills, NC

Average snowfall in September - Wilsons Mills, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Wilsons Mills, NC

Average snowfall days in September - Wilsons Mills, NC
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

Average daylight in September /
Average sunshine in September
Wilsons Mills, NC

Average daylight in September / Average sunshine in September - Wilsons Mills, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

Average sunshine days in September
Wilsons Mills, NC

Average sunshine days in September - Wilsons Mills, NC
  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is October (22.7 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in September
Wilsons Mills, NC

Average UV index in September - Wilsons Mills, NC
  • Average UV index in September: 5

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

Average cloud cover in September
Wilsons Mills, NC

Average cloud cover in September - Wilsons Mills, NC
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in September
Wilsons Mills, NC

Average visibility in September - Wilsons Mills, 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).

Wilsons Mills, North Carolina, USA

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