September weather forecast
Valley View, SC

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Weather in September

September, the first month of the autumn in Valley View, is still a warm month, with an average temperature varying between 62.1°F (16.7°C) and 82.8°F (28.2°C).

Temperature

Valley View's weather in September displays an average high-temperature of a moderately hot 82.8°F (28.2°C), showing minor disparity from August's 88°F (31.1°C). September nights in Valley View are marked by an average temperature drop to an enjoyable 62.1°F (16.7°C).

Heat index

The heat index value for September is evaluated at a tropical 87.8°F (31°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In September, the average relative humidity is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.73" (44mm) of precipitation.

Snowfall

In Valley View, snow does not fall in April through October.

Daylight

In September, the average length of the day in Valley View, South Carolina, is 12h and 23min.
On the first day of September in Valley View, sunrise is at 7:05 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.

Sunshine

The average sunshine in September in Valley View is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

How hot is it in Valley View in September?

The average high-temperature and low-temperature in Valley View during September are 82.8°F (28.2°C) and 62.1°F (16.7°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in September in Valley View?

In Valley View, South Carolina, the average relative humidity in September is 72%.

What is the driest month in Valley View?

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.73" (44mm) of precipitation.

How many days does it rain in September in Valley View?

In Valley View, South Carolina, during September, the rain falls for 12.5 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Valley View?

April through October are months without snowfall in Valley View, South Carolina.

What is the average length of the day in September in Valley View?

The average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Valley View?

On the first day of September, sunrise is at 7:05 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.

How many hours of sunshine does Valley View have in September?

In September, the average sunshine duration is 8.7h.

What is the UV index reading in September in Valley View?

In September, the average daily maximum UV index in Valley View is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Valley View, SC

Average temperature in September - Valley View, SC
  • Average high temperature in September: 82.8°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 (49.6°F).

  • Average low temperature in September: 62.1°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in September
Valley View, SC

Average pressure in September - Valley View, SC
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in September
Valley View, SC

Average wind speed in September - Valley View, SC
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in September
Valley View, SC

Average humidity in September - Valley View, SC
  • Average humidity in September: 72%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in September
Valley View, SC

Average rainfall in September - Valley View, SC
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in September
Valley View, SC

Average rainfall days in September - Valley View, SC
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (9.5 days).

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Average snowfall in September
Valley View, SC

Average snowfall in September - Valley View, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Valley View, SC

Average snowfall days in September - Valley View, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Valley View, SC

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in September
Valley View, SC

Average sunshine days in September - Valley View, SC
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index in September
Valley View, SC

Average UV index in September - Valley View, SC
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Valley View, SC

Average cloud cover in September - Valley View, SC
  • Average cloud cover in September: 30

The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).

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Average visibility in September
Valley View, SC

Average visibility in September - Valley View, 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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Valley View, South Carolina, USA

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