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
With September's advent, Forestbrook sees an average high-temperature of a still moderately hot 81.7°F (27.6°C), subtly shifted from August's 85.6°F (29.8°C). In September, the temperature drops to an average of 71.4°F (21.9°C) at night.Heat index
For September, the heat index is calculated to be a tropical 87.8°F (31°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in September in Forestbrook is 77%.Rainfall
In Forestbrook, during September, the rain falls for 15.6 days and regularly aggregates up to 3.35" (85mm) of precipitation. In Forestbrook, South Carolina, during the entire year, the rain falls for 166.5 days and collects up to 28.78" (731mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:50 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:01 pm EDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
In September, the average daily maximum UV index in Forestbrook is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the temperature in September in Forestbrook?
What is the average humidity in September in Forestbrook?
How many days does it rain in September in Forestbrook?
When it does not snow in Forestbrook?
What is the average length of the day in September in Forestbrook?
When is the sunrise / sunset in September in Forestbrook?
How long on average sun shines in September in Forestbrook?
What is the UV index intensity in September in Forestbrook?
Average temperature in September
Forestbrook, SC
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in September: 71.4°F
The month with the highest average low temperature is July (76.3°F).
The coldest month (with the lowest average low temperature) is January (42.1°F).
Average pressure in September
Forestbrook, SC
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Forestbrook, SC
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).
Average humidity in September
Forestbrook, SC
- Average humidity in September: 77%
The months with the highest relative humidity are May, June, August and December (78%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in September
Forestbrook, SC
- Average rainfall in September: 3.35"
The wettest month (with the highest rainfall) is August (4.53").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Forestbrook, SC
- Average rainfall days in September: 15.6 days
The months with the highest number of rainy days are July and August (19.8 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Forestbrook, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Forestbrook, 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 April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Forestbrook, 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: 10h and 0min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Forestbrook, SC
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Forestbrook, SC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Forestbrook, SC
- Average cloud cover in September: 29
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Forestbrook, 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).
Forestbrook, South Carolina, USA
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