September weather forecast
Tenmile, SC

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Weather in September

The first month of the autumn, September, is still a warm month in Tenmile, South Carolina, with an average temperature ranging between min 70.9°F (21.6°C) and max 85.1°F (29.5°C).

Temperature

September's onset sees an average high-temperature of a moderately hot 85.1°F (29.5°C), exhibiting a slight fluctuation from the previous month. September in Tenmile witnesses an average low-temperature hovering around an agreeable 70.9°F (21.6°C).

Heat index

The heat index in September is calculated to be a very hot 95°F (35°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Heat index determinations are made taking into account the shade and light air movements. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In Tenmile, the average relative humidity in September is 75%.

Rainfall

In Tenmile, in September, it is raining for 16.5 days, with typically 4.02" (102mm) of accumulated precipitation. Throughout the year, in Tenmile, there are 172.6 rainfall days, and 39.13" (994mm) of precipitation is accumulated.

Snowfall

March through November are months without snowfall.

Daylight

In Tenmile, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:55 am and sunset at 7:44 pm. On the last day of September, in Tenmile, sunrise is at 7:14 am and sunset at 7:05 pm EDT.

Sunshine

In September, the average sunshine in Tenmile is 8.9h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. 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 Tenmile in September?

In September, in Tenmile, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 70.9°F (21.6°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 95°F (35°C).

What is the average humidity in September in Tenmile?

The average relative humidity in September in Tenmile, South Carolina, is 75%.

How many days does it rain in September in Tenmile?

In Tenmile, in September, during 16.5 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.

When it does not snow in Tenmile?

March through November are months without snowfall in Tenmile, South Carolina.

How many hours of daylight does Tenmile have in September?

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

When is the sunrise / sunset in September in Tenmile?

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 Tenmile, sunrise is at 7:14 am and sunset at 7:05 pm EDT.

How many hours of sunshine does Tenmile have in September?

In September, the average sunshine duration in Tenmile, South Carolina, is 8.9h.

What is the UV index reading in September in Tenmile?

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

Average temperature in September - Tenmile, SC
  • Average high temperature in September: 85.1°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in September: 70.9°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in September
Tenmile, SC

Average pressure in September - Tenmile, SC
  • Average pressure in September: 30"Hg

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

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Average wind speed in September
Tenmile, SC

Average wind speed in September - Tenmile, SC
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in September
Tenmile, SC

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

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).

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Average rainfall in September
Tenmile, SC

Average rainfall in September - Tenmile, SC
  • Average rainfall in September: 4.02"

The wettest month (with the highest rainfall) is August (6.22").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in September
Tenmile, SC

Average rainfall days in September - Tenmile, SC
  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (8.2 days).

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Average snowfall in September
Tenmile, SC

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

The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Tenmile, SC

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

The months with the highest number of snowfall days are January and February (0.3 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
Tenmile, SC

Average daylight in September / Average sunshine in September - Tenmile, 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 5min

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 36min).

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Average sunshine days in September
Tenmile, SC

Average sunshine days in September - Tenmile, SC
  • Average sunshine days in September: 11.6 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (5.8 days).

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Average UV index in September
Tenmile, SC

Average UV index in September - Tenmile, 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 3).

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Average cloud cover in September
Tenmile, SC

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

The month with the most cloud cover is 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
Tenmile, SC

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

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