September weather forecast
Brookdale, SC

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Weather in September

September, the first month of the autumn in Brookdale, is still a warm month, with an average temperature varying between 84°F (28.9°C) and 67.1°F (19.5°C).

Temperature

The arrival of September brings an average high-temperature of a moderately hot 84°F (28.9°C), subtly diverging from August's 88.9°F (31.6°C). The average low-temperature in Brookdale during September nights is an enjoyable 67.1°F (19.5°C).

Heat index

The heat index in September is calculated to be a tropical 93.2°F (34°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

The months with the highest humidity are May, August and September, with an average relative humidity of 76%.

Rainfall

In Brookdale, in September, during 14.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Brookdale, during the entire year, the rain falls for 159.3 days and collects up to 32.01" (813mm) of precipitation.

Snowfall

In Brookdale, snow does not fall in March through December.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:57 am and sunset at 7:48 pm. On the last day of September, in Brookdale, sunrise is at 7:17 am and sunset at 7:08 pm EDT.

Sunshine

In Brookdale, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in Brookdale, South Carolina, is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

How hot is it in Brookdale in September?

In Brookdale, in September, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 67.1°F (19.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 93.2°F (34°C).

What are the most humid months in Brookdale?

The months with the highest humidity are May, August and September, with an average relative humidity of 76%.

What is the average humidity in September in Brookdale?

In September, the average relative humidity in Brookdale is 76%.

How much does it rain in Brookdale in September?

In Brookdale, South Carolina, in September, during 14.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Brookdale?

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

How many hours of daylight does Brookdale have in September?

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

When are sunrise and sunset in September in Brookdale?

In September, on the first day of the month, sunrise is at 6:57 am and sunset at 7:48 pm. On the last day of the month, in Brookdale, South Carolina, sunrise is at 7:17 am and sunset at 7:08 pm EDT.

How long on average sun shines in September in Brookdale?

In September, the average sunshine duration in Brookdale, South Carolina, is 8.6h.

What is the UV index intensity in September in Brookdale?

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

Average temperature in September - Brookdale, SC
  • Average high temperature in September: 84°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 (54.1°F).

  • Average low temperature in September: 67.1°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 (38.8°F).

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Average pressure in September
Brookdale, SC

Average pressure in September - Brookdale, 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
Brookdale, SC

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

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in September
Brookdale, SC

Average humidity in September - Brookdale, SC
  • Average humidity in September: 76%

The months with the highest relative humidity are May, August and September (76%).
The months with the lowest relative humidity are January and November (71%).

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Average rainfall in September
Brookdale, SC

Average rainfall in September - Brookdale, SC
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is November (1.65").

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Average rainfall days in September
Brookdale, SC

Average rainfall days in September - Brookdale, SC
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in September
Brookdale, SC

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

The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Brookdale, SC

Average snowfall days in September - Brookdale, 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).

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Average daylight in September /
Average sunshine in September
Brookdale, SC

Average daylight in September / Average sunshine in September - Brookdale, 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: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in September
Brookdale, SC

Average sunshine days in September - Brookdale, SC
  • Average sunshine days in September: 14 days

The months with the most sunshine days are October and November (21.1 days).
The months with the least sunshine days are July and August (7.3 days).

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Average UV index in September
Brookdale, SC

Average UV index in September - Brookdale, 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 and December (UV index 3).

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Average cloud cover in September
Brookdale, SC

Average cloud cover in September - Brookdale, SC
  • Average cloud cover in September: 33

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in September
Brookdale, SC

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

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