September weather forecast
Fort Corner, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Fort Corner, South Carolina, with an average temperature varying between 84.2°F (29°C) and 69.8°F (21°C).

Temperature

Fort Corner ushers in September with an average high-temperature of a warm 84.2°F (29°C), showing a close resemblance to the previous month. During September nights, Fort Corner witnesses a consistent average temperature of 69.8°F (21°C).

Heat index

September's mean heat index is computed to be a tropical 93.2°F (34°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The average relative humidity in September is 77%.

Rainfall

In Fort Corner, in September, it is raining for 17.5 days, with typically 4.13" (105mm) of accumulated precipitation. In Fort Corner, during the entire year, the rain falls for 179.5 days and collects up to 40.79" (1036mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:53 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:03 pm EDT.

Sunshine

In September, the average sunshine is 9.1h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 6 in September translates into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

Fort Corner in September has an average high-temperature of 84.2°F (29°C) and an average low-temperature of 69.8°F (21°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 93.2°F (34°C).

What is the average humidity in September?

The average relative humidity in September is 77%.

How much does it rain in September?

In Fort Corner, in September, during 17.5 rainfall days, 4.13" (105mm) of precipitation is typically accumulated.

When it does not snow?

March through November are months without snowfall.

How many hours of daylight does Fort Corner have in September?

The average day length in September is 12h and 22min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:53 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:03 pm EDT.

How many hours of sunshine does Fort Corner have in September?

In September, the average sunshine duration is 9.1h.

How high is the UV index in September in Fort Corner?

The average daily maximum UV index in September is 6. A UV Index reading 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
Fort Corner, SC

Average temperature in September - Fort Corner, SC
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (55.8°F).

  • Average low temperature in September: 69.8°F

The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).

Average pressure in September
Fort Corner, SC

Average pressure in September - Fort Corner, 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
Fort Corner, SC

Average wind speed in September - Fort Corner, SC
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in September
Fort Corner, SC

Average humidity in September - Fort Corner, SC
  • Average humidity in September: 77%

The months with the highest relative humidity are August and December (78%).
The months with the lowest relative humidity are January and March (74%).

Average rainfall in September
Fort Corner, SC

Average rainfall in September - Fort Corner, SC
  • Average rainfall in September: 4.13"

The wettest month (with the highest rainfall) is August (6.46").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in September
Fort Corner, SC

Average rainfall days in September - Fort Corner, SC
  • Average rainfall days in September: 17.5 days

The months with the highest number of rainy days are July and August (23.2 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in September
Fort Corner, SC

Average snowfall in September - Fort Corner, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Fort Corner, SC

Average snowfall days in September - Fort Corner, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Fort Corner, SC

Average daylight in September / Average sunshine in September - Fort Corner, 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 1min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in September
Fort Corner, SC

Average sunshine days in September - Fort Corner, SC
  • Average sunshine days in September: 10 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (5.5 days).

Average UV index in September
Fort Corner, SC

Average UV index in September - Fort Corner, 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
Fort Corner, SC

Average cloud cover in September - Fort Corner, SC
  • Average cloud cover in September: 29

The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in September
Fort Corner, SC

Average visibility in September - Fort Corner, 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).

Fort Corner, South Carolina, USA

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