September weather forecast
Whipper-Barnoy, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Whipper-Barnoy, South Carolina, with an average temperature ranging between min 72°F (22.2°C) and max 84.4°F (29.1°C).

Temperature

The arrival of September brings an average high-temperature of a moderately hot 84.4°F (29.1°C), closely following the temperature pattern of August. During September nights, Whipper-Barnoy records an average temperature of 72°F (22.2°C).

Heat index

During September, the heat index is estimated at a tropical 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In Whipper-Barnoy, South Carolina, the average relative humidity in September is 75%.

Rainfall

In Whipper-Barnoy, in September, during 14.8 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, in Whipper-Barnoy, there are 154.4 rainfall days, and 23.43" (595mm) of precipitation is accumulated.

Snowfall

In Whipper-Barnoy, South Carolina, snow does not fall in March through November.

Daylight

In September, the average length of the day in Whipper-Barnoy is 12h and 22min.
On the first day of September in Whipper-Barnoy, 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 in Whipper-Barnoy is 9h.

UV index

The average daily maximum UV index in September in Whipper-Barnoy is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 during September leads to these advisories:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

How hot is it in Whipper-Barnoy in September?

The high-temperature, in September, in Whipper-Barnoy, records 84.4°F (29.1°C), while the low-temperature is 72°F (22.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in September is estimated at 93.2°F (34°C).

What is the average humidity in September in Whipper-Barnoy?

The average relative humidity in September is 75%.

How many days does it rain in September in Whipper-Barnoy?

In Whipper-Barnoy, during September, the rain falls for 14.8 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When it does not snow in Whipper-Barnoy?

In Whipper-Barnoy, snow does not fall in March through November.

How many hours of daylight does Whipper-Barnoy have in September?

The average day length in September in Whipper-Barnoy, South Carolina, is 12h and 22min.

When is the sunrise / sunset in September in Whipper-Barnoy?

On the first day of September in Whipper-Barnoy, 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 many hours of sunshine does Whipper-Barnoy have in September?

In September, the average sunshine duration in Whipper-Barnoy, South Carolina, is 9h.

How high is the UV index in September in Whipper-Barnoy?

The average daily maximum UV index in September in Whipper-Barnoy is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Whipper-Barnoy, SC

Average temperature in September - Whipper-Barnoy, SC
  • Average high temperature in September: 84.4°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in September: 72°F

The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).

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Average pressure in September
Whipper-Barnoy, SC

Average pressure in September - Whipper-Barnoy, 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
Whipper-Barnoy, SC

Average wind speed in September - Whipper-Barnoy, SC
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in September
Whipper-Barnoy, SC

Average humidity in September - Whipper-Barnoy, SC
  • Average humidity in September: 75%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in September
Whipper-Barnoy, SC

Average rainfall in September - Whipper-Barnoy, SC
  • Average rainfall in September: 2.76"

The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in September
Whipper-Barnoy, SC

Average rainfall days in September - Whipper-Barnoy, SC
  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).

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Average snowfall days in September
Whipper-Barnoy, SC

Average snowfall days in September - Whipper-Barnoy, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.3 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
Whipper-Barnoy, SC

Average daylight in September / Average sunshine in September - Whipper-Barnoy, 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 0min

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 36min).

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Average sunshine days in September
Whipper-Barnoy, SC

Average sunshine days in September - Whipper-Barnoy, SC
  • Average sunshine days in September: 11 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).

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Average UV index in September
Whipper-Barnoy, SC

Average UV index in September - Whipper-Barnoy, 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
Whipper-Barnoy, SC

Average cloud cover in September - Whipper-Barnoy, SC
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).

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Average visibility in September
Whipper-Barnoy, SC

Average visibility in September - Whipper-Barnoy, 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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Whipper-Barnoy, South Carolina, USA

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