September weather forecastEutawville, SC
September
Weather in September
Eutawville begins to transition into autumn in September, marked by a decrease in temperatures and daylight hours. The peak temperature drops to 84.6°F (29.2°C), offering some respite from summer's relentless heat. With 12.4 daylight hours now, the days begin to shorten but remain long enough for outdoor activities. As the August heat subsides, September brings cooler temperatures and decreasing daylight duration, ushering in the shift to autumn. As a result, September in Eutawville is a period of temperature reduction and the onset of shorter daytime duration.Temperature
September's onset in Eutawville brings an average high-temperature of a moderately hot 84.6°F (29.2°C), showing a minute difference from August's 89.2°F (31.8°C). Throughout September, a steady low-temperature average of 67.3°F (19.6°C) is noted.Heat index
In September, the heat index is calculated to be a torrid 95°F (35°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Always consider that heat index estimations are for light winds and places in the shade. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
The months with the highest humidity in Eutawville are May, August, September and December, with an average relative humidity of 77%.Rainfall
In Eutawville, during September, the rain falls for 14.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, in Eutawville, there are 165.1 rainfall days, and 33.46" (850mm) of precipitation is accumulated.Snowfall
In Eutawville, snow does not fall in March through December.Daylight
In Eutawville, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:56 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:06 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
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 the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Eutawville, SC
- Average high temperature in September: 84.6°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 (54.9°F).
- Average low temperature in September: 67.3°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 (38.5°F).
Average pressure in September
Eutawville, SC
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Eutawville, SC
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Eutawville, SC
- Average humidity in September: 77%
The months with the highest relative humidity are May, August, September and December (77%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in September
Eutawville, SC
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in September
Eutawville, SC
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in September
Eutawville, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Eutawville, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 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
Eutawville, SC
- Average daylight in September: 12h and 24min
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 42min
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 30min).
Average sunshine days in September
Eutawville, SC
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is August (7.9 days).
Average UV index in September
Eutawville, SC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Eutawville, SC
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in September
Eutawville, 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).
