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
Upon the beginning of September, Riverbend's high-temperatures register at a warm 85.1°F (29.5°C), closely mirroring the preceding month. September nights observe an average temperature dip to an agreeable 70.9°F (21.6°C).Heat index
During September, the heat index is estimated at a very hot 95°F (35°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
The average relative humidity in September in Riverbend, South Carolina, is 75%.Rainfall
In Riverbend, South Carolina, in September, it is raining for 16.5 days, with typically 4.02" (102mm) of accumulated precipitation. Throughout the year, in Riverbend, South Carolina, there are 172.6 rainfall days, and 39.13" (994mm) of precipitation is accumulated.Snowfall
In Riverbend, snow does not fall in March through November.Daylight
In Riverbend, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:05 pm EDT.
Sunshine
In Riverbend, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
Is it hot in Riverbend during September?
What is the average humidity in September in Riverbend?
How much does it rain in Riverbend in September?
When it does not snow in Riverbend?
What is the average length of the day in September in Riverbend?
When are sunrise and sunset in September in Riverbend?
How long on average sun shines in September in Riverbend?
What is the UV index reading in September in Riverbend?
Average temperature in September
Riverbend, SC
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in September: 70.9°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in September
Riverbend, SC
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Riverbend, SC
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Riverbend, SC
- Average humidity in September: 75%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in September
Riverbend, SC
- Average rainfall in September: 4.02"
The wettest month (with the highest rainfall) is August (6.22").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in September
Riverbend, SC
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
Riverbend, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Riverbend, 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
Riverbend, SC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 5min
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 36min).
Average sunshine days in September
Riverbend, SC
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in September
Riverbend, SC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Riverbend, SC
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Riverbend, 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).
Riverbend, South Carolina, USA
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