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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a tropical 88.9°F (31.6°C) in August to a moderately hot 83.5°F (28.6°C). In Richburg, the average nighttime temperature during September is a comfortable 65.3°F (18.5°C).Heat index
In September, the heat index is appraised at a tropical 89.6°F (32°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. 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 essentially critical for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In September, the average relative humidity in Richburg is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.77" (45mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:50 pm. On the last day of September, in Richburg, sunrise is at 7:18 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September in Richburg, South Carolina, is 8.8h.UV index
In Richburg, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Richburg have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Richburg have in September?
What is the UV index reading in September?
Average temperature in September
Richburg, SC
- Average high temperature in September: 83.5°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in September
Richburg, SC
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Richburg, SC
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Richburg, SC
- Average humidity in September: 73%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are July and November (71%).
Average rainfall in September
Richburg, SC
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Richburg, SC
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in September
Richburg, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Richburg, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.8 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
Richburg, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Richburg, SC
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Richburg, SC
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Richburg, SC
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Richburg, 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).
Richburg, South Carolina, USA
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