September weather forecast
Stone Park, SC

Share

Weather in September

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

Temperature

The start of September sees the average high-temperature at a warm 83.5°F (28.6°C), showing little difference from August's 87.4°F (30.8°C). In Stone Park, September's nights observe an average temperature dip to a pleasant 73°F (22.8°C).

Heat index

The heat index for September is computed to be a hot 91.4°F (33°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

The average relative humidity in September is 75%.

Rainfall

In September, the rain falls for 18.4 days. Throughout September, 5" (127mm) of precipitation is accumulated. Throughout the year, there are 178.9 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.

Snowfall

February through November are months without snowfall.

Daylight

In Stone Park, the average length of the day in September is 12h and 22min.
On the first day of September in Stone Park, 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 Stone Park, South Carolina, is 9.1h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, a regular UV index of 6 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
[Resources]

Frequently asked questions

Is it hot in Stone Park during September?

Stone Park in September has an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 73°F (22.8°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 91.4°F (33°C).

What is the average humidity in September in Stone Park?

The average relative humidity in September in Stone Park is 75%.

How much does it rain in Stone Park in September?

In Stone Park, South Carolina, in September, during 18.4 rainfall days, 5" (127mm) of precipitation is typically accumulated.

When it does not snow in Stone Park?

February through November are months without snowfall in Stone Park, South Carolina.

How many hours of daylight does Stone Park have in September?

The average day length in September in Stone Park, South Carolina, is 12h and 22min.

What time are sunrise and sunset in September in Stone Park?

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 Stone Park, South Carolina, sunrise is at 7:13 am and sunset at 7:05 pm EDT.

How long on average sun shines in September in Stone Park?

In Stone Park, the average sunshine duration in September is 9.1h.

What is the UV index intensity in September in Stone Park?

The average daily maximum UV index in September in Stone Park is 6. A UV Index of 6 to 7 symbolizes a high 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
Stone Park, SC

Average temperature in September - Stone Park, 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).

[Resources]

Average pressure in September
Stone Park, SC

Average pressure in September - Stone Park, 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).

[Resources]

Average wind speed in September
Stone Park, SC

Average wind speed in September - Stone Park, 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).

[Resources]

Average humidity in September
Stone Park, SC

Average humidity in September - Stone Park, 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%).

[Resources]

Average rainfall in September
Stone Park, SC

Average rainfall in September - Stone Park, 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").

[Resources]

Average rainfall days in September
Stone Park, SC

Average rainfall days in September - Stone Park, 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).

[Resources]

Average snowfall in September
Stone Park, SC

Average snowfall in September - Stone Park, 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").

[Resources]

Average snowfall days in September
Stone Park, SC

Average snowfall days in September - Stone Park, 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).

[Resources]

Average daylight in September /
Average sunshine in September
Stone Park, SC

Average daylight in September / Average sunshine in September - Stone Park, 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).

[Resources]

Average sunshine days in September
Stone Park, SC

Average sunshine days in September - Stone Park, 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).

[Resources]

Average UV index in September
Stone Park, SC

Average UV index in September - Stone Park, 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).

[Resources]

Average cloud cover in September
Stone Park, SC

Average cloud cover in September - Stone Park, 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).

[Resources]

Average visibility in September
Stone Park, SC

Average visibility in September - Stone Park, 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).

[Resources]

Stone Park, South Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location