Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's arrival in Greenwood comes with a mild decrease in the average high-temperature, moving subtly from a tropical 90.1°F (32.3°C) in August to a moderately hot 84.4°F (29.1°C). Throughout the September nights, Greenwood encounters a low-temperature of 64.9°F (18.3°C).Heat index
During September, the heat index is evaluated at a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in September in Greenwood, South Carolina, is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.57" (40mm) of precipitation.Snowfall
April through December are months without snowfall in Greenwood.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:54 pm. On the last day of September, in Greenwood, South Carolina, sunrise is at 7:22 am and sunset at 7:13 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
How hot is September in Greenwood?
What is the average humidity in September in Greenwood?
What is the driest month in Greenwood?
How much does it rain in Greenwood in September?
When it does not snow in Greenwood?
How many hours of daylight does Greenwood have in September?
When are sunrise and sunset in September in Greenwood?
How long on average sun shines in September in Greenwood?
What is the UV index reading in September in Greenwood?
Average temperature in September
Greenwood, SC
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (51.4°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 (35.1°F).
Average pressure in September
Greenwood, 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
Greenwood, SC
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are February and April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Greenwood, 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
Greenwood, SC
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Greenwood, SC
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in September
Greenwood, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Greenwood, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.7 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
Greenwood, SC
- Average daylight in September: 12h and 2min
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 3min
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
Greenwood, SC
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is August (11.4 days).
Average UV index in September
Greenwood, 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
Greenwood, 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
Greenwood, 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).
Greenwood, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location
