September weather forecast
Whitehouse Plantation, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Whitehouse Plantation, South Carolina, with an average temperature varying between 73°F (22.8°C) and 83.5°F (28.6°C).

Temperature

Whitehouse Plantation's weather in September, with an average high-temperature of a warm 83.5°F (28.6°C), subtly shifts from August's 87.4°F (30.8°C). Whitehouse Plantation sees an average low-temperature of 73°F (22.8°C) during September.

Heat index

In September, the average heat index is estimated at a tropical 91.4°F (33°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

In Whitehouse Plantation, South Carolina, the average relative humidity in September is 75%.

Rainfall

In Whitehouse Plantation, during September, the rain falls for 18.4 days and regularly aggregates up to 5" (127mm) of precipitation. In Whitehouse Plantation, during the entire year, the rain falls for 178.9 days and collects up to 41.93" (1065mm) of precipitation.

Snowfall

February through November are months without snowfall.

Daylight

In September, the average length of the day in Whitehouse Plantation 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

In September, the average sunshine in Whitehouse Plantation is 9.1h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 during September translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

How hot is September in Whitehouse Plantation?

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

What is the average humidity in September in Whitehouse Plantation?

The average relative humidity in September in Whitehouse Plantation, South Carolina, is 75%.

How much does it rain in Whitehouse Plantation in September?

In Whitehouse Plantation, in September, it is raining for 18.4 days, with typically 5" (127mm) of accumulated precipitation.

When it does not snow in Whitehouse Plantation?

February through November are months without snowfall in Whitehouse Plantation, South Carolina.

What is the average length of the day in September in Whitehouse Plantation?

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

When are sunrise and sunset in September in Whitehouse Plantation?

In September, on the first day of the month, sunrise is at 6:55 am and sunset at 7:44 pm. On the last day of the month, in Whitehouse Plantation, sunrise is at 7:13 am and sunset at 7:05 pm EDT.

How long on average sun shines in September in Whitehouse Plantation?

In September, the average sunshine duration in Whitehouse Plantation, South Carolina, is 9.1h.

How high is the UV index in September in Whitehouse Plantation?

The average daily maximum UV index in September in Whitehouse Plantation is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Whitehouse Plantation, SC

Average temperature in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average pressure in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average wind speed in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average humidity in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average rainfall in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average rainfall days in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average snowfall in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average snowfall days in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average daylight in September / Average sunshine in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average sunshine days in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average UV index in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average cloud cover in September - Whitehouse Plantation, 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
Whitehouse Plantation, SC

Average visibility in September - Whitehouse Plantation, 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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Whitehouse Plantation, South Carolina, USA

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