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
The beginning of September brings a minor change in the average high-temperature, shifting from a hot 89.4°F (31.9°C) in August to a moderately hot 83.7°F (28.7°C). During September, the nighttime temperature averages to a comfortable 63.5°F (17.5°C).Heat index
September's mean heat index is appraised at a tropical 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In Dickerson Acres, the average relative humidity in September is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.7 days and typically collects 0.79" (20mm) of precipitation.Snowfall
In Dickerson Acres, 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 the month, sunrise is at 7:04 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Dickerson Acres have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Dickerson Acres have in September?
How high is the UV index in September?
Average temperature in September
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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
Dickerson Acres, 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).
Dickerson Acres, South Carolina, USA
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