September weather forecastMount Carmel, SC
September
Weather in September
September, the first month of the autumn in Mount Carmel, is still a warm month, with an average temperature ranging between max 84.9°F (29.4°C) and min 64.9°F (18.3°C).Temperature
On the advent of September, Mount Carmel's average high-temperature exhibits a minor adjustment to a moderately hot 84.9°F (29.4°C) from August's 90.1°F (32.3°C). Mount Carmel's temperature in September lowers to a consistent average of 64.9°F (18.3°C) during the nights.Heat index
September's average heat index is computed to be a hot 93.2°F (34°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.When assessing, remember that heat index measurements are for light winds and shaded spots. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In September, the average relative humidity is 71%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.2 days and typically collects 0.83" (21mm) of precipitation.Snowfall
In Mount Carmel, South Carolina, snow does not fall in April through December.Daylight
In Mount Carmel, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:15 pm EDT.
Sunshine
In Mount Carmel, South Carolina, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Carmel, SC
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in September
Mount Carmel, SC
- Average pressure in September: 30.03"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
Mount Carmel, SC
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Mount Carmel, SC
- Average humidity in September: 71%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Mount Carmel, SC
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days in September
Mount Carmel, SC
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in September
Mount Carmel, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Mount Carmel, 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 April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Mount Carmel, SC
- Average daylight in September: 12h and 24min
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 36min
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 18min).
Average sunshine days in September
Mount Carmel, SC
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Mount Carmel, SC
- Average UV index in September: 5
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Mount Carmel, SC
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June, July and October (Cloud cover 29).
Average visibility in September
Mount Carmel, 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).
