September weather forecast
Pineville, SC

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Weather in September

The first month of the autumn, September, is still a warm month in Pineville, South Carolina, with an average temperature fluctuating between 84.6°F (29.2°C) and 67.6°F (19.8°C).

Temperature

With September's advent, Pineville sees an average high-temperature of a warm 84.6°F (29.2°C), subtly shifted from August's 89.2°F (31.8°C). Throughout the month of September, Pineville observes an average nighttime temperature of 67.6°F (19.8°C).

Heat index

The heat index in September is evaluated at a sweltering 95°F (35°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
In the scope of the heat index, its values resonate with shade and light wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The months with the highest humidity are May, August, September and December, with an average relative humidity of 78%.

Rainfall

In September, the rain falls for 13.2 days. Throughout September, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Pineville, there are 139.5 rainfall days, and 15.75" (400mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

In Pineville, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:54 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:05 pm EDT.

Sunshine

In Pineville, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September in Pineville is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Pineville in September?

The high-temperature, in September, in Pineville, records 84.6°F (29.2°C), while the low-temperature is 67.6°F (19.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 95°F (35°C).

What are the most humid months in Pineville?

The months with the highest humidity are May, August, September and December, with an average relative humidity of 78%.

What is the average humidity in September in Pineville?

In September, the average relative humidity in Pineville, South Carolina, is 78%.

How many days does it rain in September in Pineville?

In Pineville, during September, the rain falls for 13.2 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow in Pineville?

March through December are months without snowfall in Pineville.

How many hours of daylight does Pineville have in September?

In September, the average day length is 12h and 22min.

When is the sunrise / sunset in September in Pineville?

On the first day of September, sunrise is at 6:54 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:05 pm EDT.

How long on average sun shines in September in Pineville?

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

How high is the UV index in September in Pineville?

The average daily maximum UV index in September in Pineville, South Carolina, is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Pineville, SC

Average temperature in September - Pineville, SC
  • Average high temperature in September: 84.6°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in September: 67.6°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

Average pressure in September
Pineville, SC

Average pressure in September - Pineville, SC
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Pineville, SC

Average wind speed in September - Pineville, SC
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Pineville, SC

Average humidity in September - Pineville, SC
  • Average humidity in September: 78%

The months with the highest relative humidity are May, August, September and December (78%).
The month with the lowest relative humidity is January (73%).

Average rainfall in September
Pineville, SC

Average rainfall in September - Pineville, SC
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in September
Pineville, SC

Average rainfall days in September - Pineville, SC
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is November (6.4 days).

Average snowfall in September
Pineville, SC

Average snowfall in September - Pineville, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Pineville, SC

Average snowfall days in September - Pineville, SC
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Pineville, SC

Average daylight in September / Average sunshine in September - Pineville, SC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in September
Pineville, SC

Average sunshine days in September - Pineville, SC
  • Average sunshine days in September: 13.1 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (6.8 days).

Average UV index in September
Pineville, SC

Average UV index in September - Pineville, SC
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Pineville, SC

Average cloud cover in September - Pineville, SC
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Pineville, SC

Average visibility in September - Pineville, SC
  • 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).

Pineville, South Carolina, USA

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