September weather forecast
Lugoff, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Lugoff, South Carolina, with an average temperature fluctuating between 83.8°F (28.8°C) and 66.2°F (19°C).

Temperature

September's advent denotes a minor fluctuation in the average high-temperature to a warm 83.8°F (28.8°C) from August's 88.9°F (31.6°C). In Lugoff, the average temperature during the nights of September drops to an enjoyable 66.2°F (19°C).

Heat index

The average heat index in September is computed to be a hot 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. 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

In September, the average relative humidity is 74%.

Rainfall

In Lugoff, in September, it is raining for 13.7 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 157 rainfall days, and 31.54" (801mm) of precipitation is accumulated.

Snowfall

In Lugoff, snow does not fall in April through October.

Daylight

In Lugoff, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:56 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:07 pm EDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in September transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

The average high-temperature and low-temperature during September are 83.8°F (28.8°C) and 66.2°F (19°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in September is computed to be 91.4°F (33°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

How much does it rain in September?

In September, the rain falls for 13.7 days. Throughout September, 2.24" (57mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:56 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:07 pm EDT.

How many hours of sunshine does Lugoff have in September?

The average sunshine duration in September is 8.9h.

How high is the UV index in September?

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

Average temperature in September - Lugoff, SC
  • Average high temperature in September: 83.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in September: 66.2°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

Average pressure in September
Lugoff, SC

Average pressure in September - Lugoff, SC
  • Average pressure in September: 30.01"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 (29.97"Hg).

Average wind speed in September
Lugoff, SC

Average wind speed in September - Lugoff, SC
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Lugoff, SC

Average humidity in September - Lugoff, SC
  • Average humidity in September: 74%

The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January and November (70%).

Average rainfall in September
Lugoff, SC

Average rainfall in September - Lugoff, SC
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is August (3.66").
The driest months (with the least rainfall) are January and November (1.97").

Average rainfall days in September
Lugoff, SC

Average rainfall days in September - Lugoff, SC
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is October (8.2 days).

Average snowfall in September
Lugoff, SC

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

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Lugoff, SC

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

The months with the highest number of snowfall days are January and February (0.5 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
Lugoff, SC

Average daylight in September / Average sunshine in September - Lugoff, SC
  • 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
Lugoff, SC

Average sunshine days in September - Lugoff, SC
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in September
Lugoff, SC

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

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
Lugoff, SC

Average cloud cover in September - Lugoff, SC
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in September
Lugoff, SC

Average visibility in September - Lugoff, 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).

Lugoff, South Carolina, USA

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