September weather forecast
Clarks Point, SC

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Weather in September

The first month of the autumn, September, is still a warm month in Clarks Point, South Carolina, with an average temperature fluctuating between 83.5°F (28.6°C) and 73°F (22.8°C).

Temperature

Clarks Point observes an average high-temperature of a warm 83.5°F (28.6°C) in September, barely different from 87.4°F (30.8°C) in August. The nighttime temperature in Clarks Point dips to an agreeable 73°F (22.8°C) on average during September.

Heat index

The heat index value for September is appraised at a tropical 91.4°F (33°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In September, the average relative humidity in Clarks Point is 75%.

Rainfall

In Clarks Point, in September, it is raining for 18.4 days, with typically 5" (127mm) of accumulated precipitation. Throughout the year, there are 178.9 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.

Snowfall

In Clarks Point, snow does not fall in February through November.

Daylight

The average length of the day in September in Clarks Point is 12h and 22min.
On the first day of September, sunrise is at 6:55 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:05 pm EDT.

Sunshine

The average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September in Clarks Point, South Carolina, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

How hot does it get in Clarks Point in September?

In September, in Clarks Point, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 73°F (22.8°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 91.4°F (33°C).

What is the average humidity in September in Clarks Point?

In Clarks Point, South Carolina, the average relative humidity in September is 75%.

How many days does it rain in September in Clarks Point?

In Clarks Point, South Carolina, in September, it is raining for 18.4 days, with typically 5" (127mm) of accumulated precipitation.

When it does not snow in Clarks Point?

In Clarks Point, South Carolina, snow does not fall in February through November.

What is the average length of the day in September in Clarks Point?

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

What time are sunrise and sunset in September in Clarks Point?

On the first day of September in Clarks Point, South Carolina, sunrise is at 6:55 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:05 pm EDT.

How long on average sun shines in September in Clarks Point?

The average sunshine duration in September is 9.1h.

How high is the UV index in September in Clarks Point?

In September, the average daily maximum UV index in Clarks Point is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Clarks Point, SC

Average temperature in September - Clarks Point, SC
  • Average high temperature in September: 83.5°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (57°F).

  • Average low temperature in September: 73°F

The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (44.4°F).

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Average pressure in September
Clarks Point, SC

Average pressure in September - Clarks Point, 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 (29.98"Hg).

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Average wind speed in September
Clarks Point, SC

Average wind speed in September - Clarks Point, SC
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).

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Average humidity in September
Clarks Point, SC

Average humidity in September - Clarks Point, SC
  • Average humidity in September: 75%

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

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Average rainfall in September
Clarks Point, SC

Average rainfall in September - Clarks Point, SC
  • Average rainfall in September: 5"

The wettest month (with the highest rainfall) is August (7.13").
The driest month (with the least rainfall) is January (1.42").

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Average rainfall days in September
Clarks Point, SC

Average rainfall days in September - Clarks Point, SC
  • Average rainfall days in September: 18.4 days

The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in September
Clarks Point, SC

Average snowfall in September - Clarks Point, SC
  • Average snowfall in September: 0"

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

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Average snowfall days in September
Clarks Point, SC

Average snowfall days in September - Clarks Point, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Clarks Point, SC

Average daylight in September / Average sunshine in September - Clarks Point, 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 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in September
Clarks Point, SC

Average sunshine days in September - Clarks Point, SC
  • Average sunshine days in September: 8.5 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (3.8 days).

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Average UV index in September
Clarks Point, SC

Average UV index in September - Clarks Point, SC
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in September
Clarks Point, SC

Average cloud cover in September - Clarks Point, SC
  • Average cloud cover in September: 29

The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).

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Average visibility in September
Clarks Point, SC

Average visibility in September - Clarks Point, 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).

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Clarks Point, South Carolina, USA

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