September weather forecast
McCaskill, SC

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Weather in September

September, the first month of the autumn in McCaskill, is still a warm month, with an average temperature fluctuating between 66.2°F (19°C) and 83.8°F (28.8°C).

Temperature

The transition into September shows a subtle variation to a warm 83.8°F (28.8°C) from August's 88.9°F (31.6°C) in the average high-temperature. In the month of September, the nighttime temperature in McCaskill dips to a steady average of 66.2°F (19°C).

Heat index

September's heat index is estimated at a tropical 91.4°F (33°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in September is 74%.

Rainfall

In McCaskill, in September, during 13.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In McCaskill, during the entire year, the rain falls for 157 days and collects up to 31.54" (801mm) of precipitation.

Snowfall

April through October are months without snowfall in McCaskill.

Daylight

In McCaskill, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:56 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:08 pm EDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In McCaskill, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

How hot does it get in McCaskill in September?

The average high-temperature, in September, in McCaskill, is 83.8°F (28.8°C), while the average low-temperature is 66.2°F (19°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in September in McCaskill?

In McCaskill, South Carolina, the average relative humidity in September is 74%.

How many days does it rain in September in McCaskill?

In McCaskill, South Carolina, in September, during 13.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in McCaskill?

April through October are months without snowfall.

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

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

What time are sunrise and sunset in September in McCaskill?

On the first day of September in McCaskill, sunrise is at 6:56 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:08 pm EDT.

How many hours of sunshine does McCaskill have in September?

In McCaskill, the average sunshine duration in September is 8.9h.

What is the UV index reading in September in McCaskill?

The average daily maximum UV index in September in McCaskill is 6. A UV Index reading of 6 to 7 represents a high health risk 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
McCaskill, SC

Average temperature in September - McCaskill, SC
  • Average high temperature in September: 83.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in September: 66.2°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 (37.6°F).

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Average pressure in September
McCaskill, SC

Average pressure in September - McCaskill, SC
  • Average pressure in September: 30.01"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 (29.97"Hg).

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Average wind speed in September
McCaskill, SC

Average wind speed in September - McCaskill, SC
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
McCaskill, SC

Average humidity in September - McCaskill, SC
  • Average humidity in September: 74%

The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January and November (70%).

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Average rainfall in September
McCaskill, SC

Average rainfall in September - McCaskill, SC
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is August (3.66").
The driest months (with the least rainfall) are January and November (1.97").

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Average rainfall days in September
McCaskill, SC

Average rainfall days in September - McCaskill, SC
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is October (8.2 days).

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Average snowfall in September
McCaskill, SC

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

The month with the highest snowfall is February (0.31").
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
McCaskill, SC

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

The months with the highest number of snowfall days are January and February (0.5 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
McCaskill, SC

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

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
McCaskill, SC

Average sunshine days in September - McCaskill, SC
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.9 days).

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Average UV index in September
McCaskill, SC

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

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

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Average cloud cover in September
McCaskill, SC

Average cloud cover in September - McCaskill, SC
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in September
McCaskill, SC

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

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