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
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's tropical 90.1°F (32.3°C) to a moderately hot 84.6°F (29.2°C). During September, Fairs Crossroads's temperature averages to a refreshing 64.9°F (18.3°C) at night.Heat index
Throughout September, the heat index is estimated at a tropical 93.2°F (34°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. 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 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.61" (41mm) of precipitation.Snowfall
In Fairs Crossroads, snow does not fall in April through November.Daylight
In Fairs Crossroads, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:03 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:14 pm EDT.
Sunshine
In Fairs Crossroads, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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 in Fairs Crossroads?
What is the driest month in Fairs Crossroads?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September in Fairs Crossroads?
When is the sunrise / sunset in September?
How long on average sun shines in September in Fairs Crossroads?
What is the UV index intensity in September?
Average temperature in September
Fairs Crossroads, SC
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in September: 64.9°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 (35.2°F).
Average pressure in September
Fairs Crossroads, 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
Fairs Crossroads, SC
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Fairs Crossroads, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Fairs Crossroads, SC
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Fairs Crossroads, SC
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is October (9.1 days).
Average snowfall in September
Fairs Crossroads, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Fairs Crossroads, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 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
Fairs Crossroads, 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 3min
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 18min).
Average sunshine days in September
Fairs Crossroads, SC
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Fairs Crossroads, SC
- Average UV index in September: 6
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Fairs Crossroads, SC
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in September
Fairs Crossroads, SC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Fairs Crossroads, South Carolina, USA
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