September weather forecast
Ridge Spring, SC

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Weather in September

The first month of the autumn, September, is still a warm month in Ridge Spring, South Carolina, with an average temperature fluctuating between 66.4°F (19.1°C) and 84.7°F (29.3°C).

Temperature

As Ridge Spring welcomes September, the average high-temperature is noted at a moderately hot 84.7°F (29.3°C), closely aligning with the preceding month. Ridge Spring witnesses a consistent average low-temperature of 66.4°F (19.1°C) throughout September.

Heat index

September's heat index is computed to be a hot 93.2°F (34°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity is 71%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.42" (36mm) of precipitation.

Snowfall

In Ridge Spring, snow does not fall in April through November.

Daylight

The average length of the day in September in Ridge Spring is 12h and 22min.
On the first day of the month, sunrise is at 7:00 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:20 am and sunset at 7:11 pm EDT.

Sunshine

In Ridge Spring, the average sunshine in September is 8.7h.

UV index

In Ridge Spring, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

How hot is September in Ridge Spring?

The average high-temperature, in September, in Ridge Spring, is 84.7°F (29.3°C), while the average low-temperature is 66.4°F (19.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 93.2°F (34°C).

What is the average humidity in September in Ridge Spring?

In Ridge Spring, South Carolina, the average relative humidity in September is 71%.

What is the driest month in Ridge Spring?

September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 1.42" (36mm) of precipitation.

How many days does it rain in September in Ridge Spring?

In Ridge Spring, South Carolina, during September, the rain falls for 12.2 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow in Ridge Spring?

In Ridge Spring, snow does not fall in April through November.

What is the average length of the day in September in Ridge Spring?

In Ridge Spring, South Carolina, the average day length in September is 12h and 22min.

When are sunrise and sunset in September in Ridge Spring?

In September, on the first day of the month, sunrise is at 7:00 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:11 pm EDT.

How long on average sun shines in September in Ridge Spring?

In Ridge Spring, South Carolina, the average sunshine duration in September is 8.7h.

What is the UV index reading in September in Ridge Spring?

In September, the average daily maximum UV index in Ridge Spring is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's 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
Ridge Spring, SC

Average temperature in September - Ridge Spring, SC
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.7°F).

  • Average low temperature in September: 66.4°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).

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Average pressure in September
Ridge Spring, SC

Average pressure in September - Ridge Spring, SC
  • Average pressure in September: 30.02"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Ridge Spring, SC

Average wind speed in September - Ridge Spring, SC
  • Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are February and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Ridge Spring, SC

Average humidity in September - Ridge Spring, SC
  • Average humidity in September: 71%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in September
Ridge Spring, SC

Average rainfall in September - Ridge Spring, SC
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is December (3.03").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in September
Ridge Spring, SC

Average rainfall days in September - Ridge Spring, SC
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in September
Ridge Spring, SC

Average snowfall in September - Ridge Spring, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.59").
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
Ridge Spring, SC

Average snowfall days in September - Ridge Spring, SC
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.4 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
Ridge Spring, SC

Average daylight in September / Average sunshine in September - Ridge Spring, 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 months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in September
Ridge Spring, SC

Average sunshine days in September - Ridge Spring, SC
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (11.2 days).

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Average UV index in September
Ridge Spring, SC

Average UV index in September - Ridge Spring, SC
  • Average UV index in September: 6

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

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Average cloud cover in September
Ridge Spring, SC

Average cloud cover in September - Ridge Spring, SC
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).

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Average visibility in September
Ridge Spring, SC

Average visibility in September - Ridge Spring, 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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Ridge Spring, South Carolina, USA

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