Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In Brook Hollow, entering September brings a subtle temperature decrement, reducing from August's tropical 89.4°F (31.9°C) to a warm 83.7°F (28.7°C). In the month of September, Brook Hollow experiences an average low-temperature of 63.5°F (17.5°C).Heat index
In September, the heat index is appraised at a hot 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The average relative humidity in September is 72%.Rainfall
The month with the least rainfall in Brook Hollow is September, when the rain falls for 9.7 days and typically collects 0.79" (20mm) of precipitation.Snowfall
In Brook Hollow, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 7:04 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:15 pm EDT.
Sunshine
In Brook Hollow, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Brook Hollow is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
How hot is September in Brook Hollow?
What is the average humidity in September in Brook Hollow?
What is the driest month in Brook Hollow?
How much does it rain in Brook Hollow in September?
When it does not snow in Brook Hollow?
How many hours of daylight does Brook Hollow have in September?
When is the sunrise / sunset in September in Brook Hollow?
How long on average sun shines in September in Brook Hollow?
How high is the UV index in September in Brook Hollow?
Average temperature in September
Brook Hollow, SC
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in September
Brook Hollow, SC
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Brook Hollow, SC
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Brook Hollow, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Brook Hollow, SC
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in September
Brook Hollow, SC
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).
Average snowfall in September
Brook Hollow, 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, October and November (0").
Average snowfall days in September
Brook Hollow, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Brook Hollow, 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 3min
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 6min).
Average sunshine days in September
Brook Hollow, SC
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in September
Brook Hollow, SC
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Brook Hollow, SC
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in September
Brook Hollow, SC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Brook Hollow, South Carolina, USA
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