September weather forecast
McKenzie Crossroads, SC

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Weather in September

September, the first month of the autumn in McKenzie Crossroads, is also a moderately hot month, with an average temperature ranging between max 83.8°F (28.8°C) and min 66.9°F (19.4°C).

Temperature

September's advent denotes a minor fluctuation in the average high-temperature to a moderately hot 83.8°F (28.8°C) from August's 88.5°F (31.4°C). An average low-temperature of 66.9°F (19.4°C) is noted in McKenzie Crossroads during the month of September.

Heat index

September's heat index is appraised at a hot 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

May, August and September, with an average relative humidity of 78%, are the most humid months.

Rainfall

In McKenzie Crossroads, in September, during 15.8 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In McKenzie Crossroads, South Carolina, during the entire year, the rain falls for 170.2 days and collects up to 34.06" (865mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

In McKenzie Crossroads, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:53 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:04 pm EDT.

Sunshine

In McKenzie Crossroads, South Carolina, the average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 6 during September leads to these instructions:
Ward off overexposure. Defence against solar harm is crucial. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot does it get in McKenzie Crossroads in September?

In September, in McKenzie Crossroads, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 66.9°F (19.4°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 93.2°F (34°C).

What are the most humid months in McKenzie Crossroads?

May, August and September, with an average relative humidity of 78%, are most humid months in McKenzie Crossroads, South Carolina.

What is the average humidity in September in McKenzie Crossroads?

In McKenzie Crossroads, the average relative humidity in September is 78%.

How many days does it rain in September in McKenzie Crossroads?

In McKenzie Crossroads, in September, during 15.8 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

When it does not snow in McKenzie Crossroads?

In McKenzie Crossroads, South Carolina, snow does not fall in March through December.

What is the average length of the day in September in McKenzie Crossroads?

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

When is the sunrise / sunset in September in McKenzie Crossroads?

On the first day of September, sunrise is at 6:53 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:04 pm EDT.

How many hours of sunshine does McKenzie Crossroads have in September?

In McKenzie Crossroads, South Carolina, the average sunshine duration in September is 9.1h.

What is the UV index intensity in September in McKenzie Crossroads?

The average daily maximum UV index in September in McKenzie Crossroads, South Carolina, is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
McKenzie Crossroads, SC

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

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in September: 66.9°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).

Average pressure in September
McKenzie Crossroads, SC

Average pressure in September - McKenzie Crossroads, 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).

Average wind speed in September
McKenzie Crossroads, SC

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

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
McKenzie Crossroads, SC

Average humidity in September - McKenzie Crossroads, SC
  • Average humidity in September: 78%

The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in September
McKenzie Crossroads, SC

Average rainfall in September - McKenzie Crossroads, SC
  • Average rainfall in September: 3.07"

The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in September
McKenzie Crossroads, SC

Average rainfall days in September - McKenzie Crossroads, SC
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in September
McKenzie Crossroads, SC

Average snowfall in September - McKenzie Crossroads, SC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
McKenzie Crossroads, SC

Average snowfall days in September - McKenzie Crossroads, SC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
McKenzie Crossroads, SC

Average daylight in September / Average sunshine in September - McKenzie Crossroads, 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: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in September
McKenzie Crossroads, SC

Average sunshine days in September - McKenzie Crossroads, SC
  • Average sunshine days in September: 12.3 days

The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (6.5 days).

Average UV index in September
McKenzie Crossroads, SC

Average UV index in September - McKenzie Crossroads, 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).

Average cloud cover in September
McKenzie Crossroads, SC

Average cloud cover in September - McKenzie Crossroads, SC
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
McKenzie Crossroads, SC

Average visibility in September - McKenzie Crossroads, 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).

McKenzie Crossroads, South Carolina, USA

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