September weather forecastCheraw, MS
September
Weather in September
September, the first month of the autumn in Cheraw, is still a hot month, with an average temperature ranging between max 87.4°F (30.8°C) and min 68.2°F (20.1°C).Temperature
The advent of September brings an average high-temperature of a still hot 87.4°F (30.8°C), almost identical to the preceding month. Cheraw, in the month of September, anticipates a consistent average low-temperature of 68.2°F (20.1°C).Heat index
The heat index value during September is appraised at a fiery hot 102.2°F (39°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
In Cheraw, the average relative humidity in September is 76%.Rainfall
In Cheraw, in September, during 17.2 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Cheraw, there are 172.7 rainfall days, and 30.91" (785mm) of precipitation is accumulated.Snowfall
In Cheraw, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 20min.On the first day of September, sunrise is at 6:35 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:45 pm CDT.
Sunshine
In Cheraw, the average sunshine in September is 9.3h.UV index
In Cheraw, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cheraw, MS
- Average high temperature in September: 87.4°F
The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in September: 68.2°F
The month with the highest average low temperature is August (72.5°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in September
Cheraw, MS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in September
Cheraw, MS
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are January, February and April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Cheraw, MS
- Average humidity in September: 76%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Cheraw, MS
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is August (4.02").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in September
Cheraw, MS
- Average rainfall days in September: 17.2 days
The month with the highest number of rainy days is August (22.6 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in September
Cheraw, MS
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Cheraw, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 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
Cheraw, MS
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Cheraw, MS
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (6.7 days).
Average UV index in September
Cheraw, MS
- 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 and December (UV index 3).
Average cloud cover in September
Cheraw, MS
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Cheraw, MS
- Average visibility in September: 5mi
The months with the highest visibility are January, October and November (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and December (5mi).





