September weather forecastMorningside Heights, SC
September
Weather in September
September, the first month of the autumn in Morningside Heights, is still a warm month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 62.1°F (16.7°C).Temperature
September brings an average high-temperature of a moderately hot 82.8°F (28.2°C), nearly identical to the preceding month. The average temperature in Morningside Heights during September nights dips to a comfortable 62.1°F (16.7°C).Heat index
The heat index value during September is appraised at a tropical 87.8°F (31°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 72%.Rainfall
September is the month with the least rainfall in Morningside Heights. Rain falls for 12.5 days and accumulates 1.73" (44mm) of precipitation.Snowfall
April through October are months without snowfall in Morningside Heights.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Morningside Heights, sunrise is at 7:04 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.
Sunshine
In Morningside Heights, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Morningside Heights, SC
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 62.1°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Morningside Heights, 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
Morningside Heights, SC
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Morningside Heights, 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 (70%).
Average rainfall in September
Morningside Heights, SC
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Morningside Heights, SC
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Morningside Heights, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Morningside Heights, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.4 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
Morningside Heights, 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 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Morningside Heights, SC
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in September
Morningside Heights, 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
Morningside Heights, SC
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Morningside Heights, 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).





