September weather forecast
Olar, SC

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Olar, South Carolina, with an average temperature varying between 84.2°F (29°C) and 67.6°F (19.8°C).

Temperature

September's average high-temperature stands at a warm 84.2°F (29°C), showing little deviation from August's 89.1°F (31.7°C). During the month of September, Olar experiences a steady low-temperature average of 67.6°F (19.8°C).

Heat index

Throughout September, the heat index is appraised at a tropical 93.2°F (34°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. 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 'feels like', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Olar, during September, the rain falls for 11.7 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Olar, South Carolina, there are 135.5 rainfall days, and 15.67" (398mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

The average length of the day in September in Olar is 12h and 22min.
On the first day of the month, sunrise is at 6:59 am and sunset at 7:49 pm. On the last day of September, in Olar, sunrise is at 7:18 am and sunset at 7:10 pm EDT.

Sunshine

In September, the average sunshine in Olar, South Carolina, is 8.7h.

UV index

In Olar, South Carolina, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 6 in September transforms into this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

Is it hot in Olar during September?

September temperatures vary between a high-temperature of 84.2°F (29°C) and a low-temperature of 67.6°F (19.8°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 93.2°F (34°C).

What is the average humidity in September in Olar?

In September, the average relative humidity is 75%.

How much does it rain in Olar in September?

In September, in Olar, the rain falls for 11.7 days. Throughout September, 1.02" (26mm) of precipitation is accumulated.

When it does not snow in Olar?

January, March through December are months without snowfall.

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

In Olar, the average day length in September is 12h and 22min.

When is the sunrise / sunset in September in Olar?

On the first day of September in Olar, sunrise is at 6:59 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:10 pm EDT.

How many hours of sunshine does Olar have in September?

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

What is the UV index intensity in September in Olar?

In Olar, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
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
Olar, SC

Average temperature in September - Olar, SC
  • Average high temperature in September: 84.2°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in September: 67.6°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

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Average pressure in September
Olar, SC

Average pressure in September - Olar, SC
  • Average pressure in September: 30.01"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in September
Olar, SC

Average wind speed in September - Olar, SC
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Olar, SC

Average humidity in September - Olar, SC
  • Average humidity in September: 75%

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

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Average rainfall in September
Olar, SC

Average rainfall in September - Olar, SC
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is November (0.63").

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Average rainfall days in September
Olar, SC

Average rainfall days in September - Olar, SC
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (6.3 days).

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Average snowfall in September
Olar, SC

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

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Olar, SC

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

The months with the highest number of snowfall days are January, February and December (0.2 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
Olar, SC

Average daylight in September / Average sunshine in September - Olar, 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: 8h and 4min

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 30min).

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Average sunshine days in September
Olar, SC

Average sunshine days in September - Olar, SC
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is August (9.7 days).

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Average UV index in September
Olar, SC

Average UV index in September - Olar, SC
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in September
Olar, SC

Average cloud cover in September - Olar, SC
  • Average cloud cover in September: 31

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

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Average visibility in September
Olar, SC

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

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