September weather forecast
Cowpens, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Cowpens, South Carolina, with an average temperature ranging between min 63.5°F (17.5°C) and max 83.8°F (28.8°C).

Temperature

September is characterized by a slight reduction in average high-temperature, easing from a tropical 89.4°F (31.9°C) in August to a warm 83.8°F (28.8°C). In Cowpens, September nights cool down to an average of 63.5°F (17.5°C).

Heat index

September's mean heat index is estimated at a hot 91.4°F (33°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for 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

In September, the average relative humidity is 72%.

Rainfall

September is the month with the least rainfall in Cowpens. Rain falls for 11.5 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

In Cowpens, snow does not fall in April through November.

Daylight

The average length of the day in September in Cowpens is 12h and 23min.
On the first day of September in Cowpens, sunrise is at 7:00 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:12 pm EDT.

Sunshine

In Cowpens, South Carolina, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September in Cowpens is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

How hot does it get in Cowpens in September?

In September, in Cowpens, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 91.4°F (33°C).

What is the average humidity in September in Cowpens?

In Cowpens, the average relative humidity in September is 72%.

What is the driest month in Cowpens?

September is the month with the least rainfall in Cowpens, South Carolina. Rain falls for 11.5 days and accumulates 1.54" (39mm) of precipitation.

How much does it rain in Cowpens in September?

In Cowpens, South Carolina, in September, it is raining for 11.5 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Cowpens?

In Cowpens, snow does not fall in April through November.

What is the average length of the day in September in Cowpens?

In Cowpens, the average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Cowpens?

In September, on the first day of the month, sunrise is at 7:00 am and sunset at 7:53 pm. On the last day of the month, in Cowpens, South Carolina, sunrise is at 7:21 am and sunset at 7:12 pm EDT.

How many hours of sunshine does Cowpens have in September?

In September, the average sunshine duration is 8.5h.

What is the UV index reading in September in Cowpens?

The average daily maximum UV index in September in Cowpens, South Carolina, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Cowpens, SC

Average temperature in September - Cowpens, SC
  • Average high temperature in September: 83.8°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in September
Cowpens, SC

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

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Average wind speed in September
Cowpens, SC

Average wind speed in September - Cowpens, SC
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Cowpens, SC

Average humidity in September - Cowpens, SC
  • Average humidity in September: 72%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (68%).

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Average rainfall in September
Cowpens, SC

Average rainfall in September - Cowpens, SC
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in September
Cowpens, SC

Average rainfall days in September - Cowpens, SC
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in September
Cowpens, SC

Average snowfall in September - Cowpens, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is December (1.97").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Cowpens, SC

Average snowfall days in September - Cowpens, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Cowpens, SC

Average daylight in September / Average sunshine in September - Cowpens, SC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 3min

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 18min).

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Average sunshine days in September
Cowpens, SC

Average sunshine days in September - Cowpens, SC
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in September
Cowpens, SC

Average UV index in September - Cowpens, SC
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Cowpens, SC

Average cloud cover in September - Cowpens, SC
  • Average cloud cover in September: 32

The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).

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Average visibility in September
Cowpens, SC

Average visibility in September - Cowpens, 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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Cowpens, South Carolina, USA

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