September weather forecast
Brookdale, SC

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Weather in September

The first month of the autumn, September, is still a warm month in Brookdale, South Carolina, with temperature in the range of an average low of 67.1°F (19.5°C) and an average high of 84°F (28.9°C).

Temperature

Brookdale's average high-temperature marks a moderately hot 84°F (28.9°C) with the advent of September, closely mirroring that of the preceding month. During September, the average low-temperature is recorded at an enjoyable 67.1°F (19.5°C).

Heat index

For September, the heat index is evaluated at a hot 93.2°F (34°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. 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 'feels like' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In Brookdale, during September, the rain falls for 14.3 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, there are 159.3 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day in Brookdale is 12h and 22min.
On the first day of September, sunrise is at 6:57 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.

Sunshine

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

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The high-temperature, in September, in Brookdale, records 84°F (28.9°C), while the low-temperature is 67.1°F (19.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 93.2°F (34°C).

What is the most humid month?

May, August and September, with an average relative humidity of 76%, are most humid months.

What is the average humidity in September?

In September, the average relative humidity is 76%.

How many days does it rain in September?

In September, the rain falls for 14.3 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in Brookdale?

March through December are months without snowfall.

How many hours of daylight does Brookdale have in September?

The average day length in September is 12h and 22min.

What time are sunrise and sunset in September?

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, sunrise is at 7:17 am and sunset at 7:08 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September?

In Brookdale, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Brookdale, South Carolina, USA

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