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 89.6°F (32°C) in August to a moderately hot 83.8°F (28.8°C). An average low-temperature of 65.1°F (18.4°C) is noted during the month of September.Heat index
For most parts of September, the heat index is appraised at a tropical 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In Blackstock, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall in Blackstock. Rain falls for 12.5 days and accumulates 1.89" (48mm) of precipitation.Snowfall
In Blackstock, snow does not fall in April through November.Daylight
In September, the average length of the day in Blackstock is 12h and 23min.On the first day of September in Blackstock, sunrise is at 6:58 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September in Blackstock, South Carolina, is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Blackstock in September?
What is the average humidity in September in Blackstock?
What is the driest month in Blackstock?
How much does it rain in Blackstock in September?
When it does not snow in Blackstock?
How many hours of daylight does Blackstock have in September?
What time are sunrise and sunset in September in Blackstock?
How many hours of sunshine does Blackstock have in September?
What is the UV index intensity in September in Blackstock?
Average temperature in September
Blackstock, SC
- Average high temperature in September: 83.8°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 (50.5°F).
- Average low temperature in September: 65.1°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 (34.7°F).
Average pressure in September
Blackstock, 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
Blackstock, SC
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Blackstock, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Blackstock, SC
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Blackstock, SC
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in September
Blackstock, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Blackstock, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.9 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
Blackstock, 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 4min
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 30min).
Average sunshine days in September
Blackstock, SC
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Blackstock, 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
Blackstock, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Blackstock, 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).
Blackstock, South Carolina, USA
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