September weather forecast
Fort Lawn, SC

Share

Weather in September

September, the first month of the autumn in Fort Lawn, is also a moderately hot month, with an average temperature varying between 64.9°F (18.3°C) and 82.9°F (28.3°C).

Temperature

Fort Lawn's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's tropical 88.3°F (31.3°C) to a moderately hot 82.9°F (28.3°C). During September, Fort Lawn records a consistent average nighttime temperature of 64.9°F (18.3°C).

Heat index

During September, the heat index is appraised at a hot 89.6°F (32°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

The average relative humidity in September is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 9.6 days and typically collects 0.51" (13mm) of precipitation.

Snowfall

In Fort Lawn, snow does not fall in March through December.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:57 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:08 pm EDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during September leads to these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
[Resources]

Frequently asked questions

How hot is it in Fort Lawn in September?

The average high-temperature and low-temperature in Fort Lawn, South Carolina, during September are 82.9°F (28.3°C) and 64.9°F (18.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in September is appraised at 89.6°F (32°C).

What is the average humidity in September in Fort Lawn?

The average relative humidity in September is 73%.

What is the driest month in Fort Lawn?

The month with the least rainfall is September, when the rain falls for 9.6 days and typically collects 0.51" (13mm) of precipitation.

How many days does it rain in September in Fort Lawn?

In Fort Lawn, South Carolina, during September, the rain falls for 9.6 days and regularly aggregates up to 0.51" (13mm) of precipitation.

When it does not snow in Fort Lawn?

In Fort Lawn, South Carolina, snow does not fall in March through December.

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

The average day length in September in Fort Lawn, South Carolina, is 12h and 23min.

When is the sunrise / sunset in September in Fort Lawn?

On the first day of September in Fort Lawn, South Carolina, sunrise is at 6:57 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:08 pm EDT.

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

In September, the average sunshine duration is 8.9h.

What is the UV index reading in September in Fort Lawn?

In September, the average daily maximum UV index in Fort Lawn, South Carolina, is 6. A UV Index value of 6 to 7 symbolizes a high 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
Fort Lawn, SC

Average temperature in September - Fort Lawn, SC
  • Average high temperature in September: 82.9°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 (49.8°F).

  • Average low temperature in September: 64.9°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

[Resources]

Average pressure in September
Fort Lawn, SC

Average pressure in September - Fort Lawn, SC
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

[Resources]

Average wind speed in September
Fort Lawn, SC

Average wind speed in September - Fort Lawn, SC
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are February and April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

[Resources]

Average humidity in September
Fort Lawn, SC

Average humidity in September - Fort Lawn, SC
  • Average humidity in September: 73%

The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June, July and November (71%).

[Resources]

Average rainfall in September
Fort Lawn, SC

Average rainfall in September - Fort Lawn, SC
  • Average rainfall in September: 0.51"

The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is September (0.51").

[Resources]

Average rainfall days in September
Fort Lawn, SC

Average rainfall days in September - Fort Lawn, SC
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (5.9 days).

[Resources]

Average snowfall in September
Fort Lawn, SC

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

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

[Resources]

Average snowfall days in September
Fort Lawn, SC

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

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

[Resources]

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

Average daylight in September / Average sunshine in September - Fort Lawn, 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: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

[Resources]

Average sunshine days in September
Fort Lawn, SC

Average sunshine days in September - Fort Lawn, SC
  • Average sunshine days in September: 18.3 days

The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is July (12.9 days).

[Resources]

Average UV index in September
Fort Lawn, SC

Average UV index in September - Fort Lawn, 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).

[Resources]

Average cloud cover in September
Fort Lawn, SC

Average cloud cover in September - Fort Lawn, SC
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).

[Resources]

Average visibility in September
Fort Lawn, SC

Average visibility in September - Fort Lawn, 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).

[Resources]

Fort Lawn, South Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location