September weather forecastChesnee, SC
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Chesnee, South Carolina, with an average temperature varying between 83.1°F (28.4°C) and 62.2°F (16.8°C).Temperature
September brings a slight decrease in temperature, down from a hot 89.2°F (31.8°C) in August to a moderately hot 83.1°F (28.4°C). An average low-temperature of 62.2°F (16.8°C) is expected during September.Heat index
The heat index in September is appraised at a tropical 89.6°F (32°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In Chesnee, the average relative humidity in September is 72%.Rainfall
The month with the least rainfall in Chesnee is September, when the rain falls for 11.4 days and typically collects 1.46" (37mm) of precipitation.Snowfall
In Chesnee, South Carolina, snow does not fall in April through October.Daylight
In Chesnee, the average length of the day in September is 12h and 23min.On the first day of September in Chesnee, sunrise is at 7:00 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:12 pm EDT.
Sunshine
In Chesnee, the average sunshine in September is 8.5h.UV index
In Chesnee, South Carolina, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chesnee, SC
- Average high temperature in September: 83.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Chesnee, SC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Chesnee, SC
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Chesnee, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (68%).
Average rainfall in September
Chesnee, SC
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Chesnee, SC
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Chesnee, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.44").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Chesnee, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Chesnee, SC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Chesnee, SC
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Chesnee, SC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Chesnee, SC
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 28).
Average visibility in September
Chesnee, 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).
