September weather forecast
Oyster Point, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Oyster Point, South Carolina, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 73°F (22.8°C).

Temperature

September's presence marks an average high-temperature of a warm 83.5°F (28.6°C), subtly varied from August's 87.4°F (30.8°C). In Oyster Point, in September, the average low-temperature is an agreeable 73°F (22.8°C).

Heat index

The heat index in September is evaluated at a tropical 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

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

Rainfall

In Oyster 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

February through November are months without snowfall in Oyster Point.

Daylight

In Oyster Point, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:54 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:05 pm EDT.

Sunshine

In September, the average sunshine in Oyster Point is 9.1h.

UV index

In September, the average daily maximum UV index in Oyster Point is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 in September translates into these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

How hot does it get in Oyster Point in September?

The average high-temperature, in September, in Oyster Point, is 83.5°F (28.6°C), while the average low-temperature is 73°F (22.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 91.4°F (33°C).

What is the average humidity in September in Oyster Point?

The average relative humidity in September is 75%.

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

In September, in Oyster Point, the rain falls for 18.4 days. Throughout September, 5" (127mm) of precipitation is accumulated.

When it does not snow in Oyster Point?

February through November are months without snowfall in Oyster Point.

How many hours of daylight does Oyster Point have in September?

The average day length in September in Oyster Point, South Carolina, is 12h and 22min.

When are sunrise and sunset in September in Oyster Point?

On the first day of September in Oyster Point, sunrise is at 6:54 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 Oyster Point?

In Oyster Point, South Carolina, the average sunshine duration in September is 9.1h.

What is the UV index reading in September in Oyster Point?

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

Average temperature in September - Oyster 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
Oyster Point, SC

Average pressure in September - Oyster 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
Oyster Point, SC

Average wind speed in September - Oyster 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
Oyster Point, SC

Average humidity in September - Oyster 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
Oyster Point, SC

Average rainfall in September - Oyster 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
Oyster Point, SC

Average rainfall days in September - Oyster 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
Oyster Point, SC

Average snowfall in September - Oyster 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
Oyster Point, SC

Average snowfall days in September - Oyster 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
Oyster Point, SC

Average daylight in September / Average sunshine in September - Oyster 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
Oyster Point, SC

Average sunshine days in September - Oyster 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
Oyster Point, SC

Average UV index in September - Oyster 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
Oyster Point, SC

Average cloud cover in September - Oyster 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
Oyster Point, SC

Average visibility in September - Oyster 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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Oyster Point, South Carolina, USA

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