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
As September takes hold, the average high-temperature is a warm 83.8°F (28.8°C), nearly mirroring that of the previous month. Olanta's average low-temperature in the month of September is recorded at a comfortable 66.9°F (19.4°C).Heat index
The heat index in September is evaluated at a hot 93.2°F (34°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Heat index readings emphasize conditions of light breezes and shaded spots. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. 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 months with the highest humidity in Olanta, South Carolina, are May, August and September, with an average relative humidity of 78%.Rainfall
In Olanta, in September, during 15.8 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, there are 170.2 rainfall days, and 34.06" (865mm) of precipitation is accumulated.Snowfall
In Olanta, snow does not fall in March through December.Daylight
In Olanta, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:53 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:04 pm EDT.
Sunshine
In Olanta, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Olanta have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Olanta, SC
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (53.4°F).
- Average low temperature in September: 66.9°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in September
Olanta, SC
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Olanta, SC
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Olanta, SC
- Average humidity in September: 78%
The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in September
Olanta, SC
- Average rainfall in September: 3.07"
The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in September
Olanta, SC
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Olanta, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Olanta, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Olanta, 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: 9h and 1min
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 30min).
Average sunshine days in September
Olanta, SC
- Average sunshine days in September: 12.3 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in September
Olanta, SC
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Olanta, SC
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Olanta, 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).
Olanta, South Carolina, USA
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