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 brings an average high-temperature of a warm 83.1°F (28.4°C), nearly identical to the preceding month. September brings Ruby a consistent average low-temperature of 65.3°F (18.5°C).Heat index
The average heat index in September is computed to be a hot 89.6°F (32°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
The months with the highest humidity in Ruby, South Carolina, are May, September and December, with an average relative humidity of 75%.Rainfall
In September, in Ruby, the rain falls for 12.7 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Ruby, there are 149.5 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
In Ruby, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:05 pm EDT.
Sunshine
In Ruby, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Ward off overexposure. Defence against solar harm is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Ruby?
What is the most humid month in Ruby?
What is the average humidity in September in Ruby?
How many days does it rain in September in Ruby?
When it does not snow in Ruby?
How many hours of daylight does Ruby have in September?
When are sunrise and sunset in September in Ruby?
How long on average sun shines in September in Ruby?
How high is the UV index in September in Ruby?
Average temperature in September
Ruby, SC
- Average high temperature in September: 83.1°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in September
Ruby, 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
Ruby, SC
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Ruby, SC
- Average humidity in September: 75%
The months with the highest relative humidity are May, September and December (75%).
The months with the lowest relative humidity are January, July and November (71%).
Average rainfall in September
Ruby, SC
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is August (2.91").
The driest months (with the least rainfall) are January and October (1.77").
Average rainfall days in September
Ruby, SC
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in September
Ruby, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ruby, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is 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
Ruby, SC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Ruby, SC
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Ruby, SC
- Average UV index in September: 6
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
Ruby, SC
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Ruby, 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).
Ruby, South Carolina, USA
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