September weather forecastMcFarlan, NC
September
Weather in September
September, the first month of the autumn in McFarlan, is still a warm month, with an average temperature fluctuating between 83.3°F (28.5°C) and 65.5°F (18.6°C).Temperature
McFarlan's September showcases an average high-temperature of a moderately hot 83.3°F (28.5°C), hardly distinct from August's 88.3°F (31.3°C). An average nighttime temperature of 65.5°F (18.6°C) is witnessed throughout September.Heat index
In September, the average heat index is estimated at a hot 89.6°F (32°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
May, September and December, with an average relative humidity of 75%, are the most humid months.Rainfall
In September, the rain falls for 13.8 days. Throughout September, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 159.8 rainfall days, and 32.36" (822mm) of precipitation is accumulated.Snowfall
In McFarlan, snow does not fall in April through October.Daylight
In McFarlan, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:53 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:04 pm EDT.
Sunshine
The average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McFarlan, NC
- Average high temperature in September: 83.3°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 (50.9°F).
- Average low temperature in September: 65.5°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 (35.8°F).
Average pressure in September
McFarlan, NC
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
McFarlan, NC
- Average wind speed in September: 6mph
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
McFarlan, NC
- 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, March, July and November (72%).
Average rainfall in September
McFarlan, NC
- Average rainfall in September: 2.95"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in September
McFarlan, NC
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
McFarlan, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
McFarlan, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.1 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
McFarlan, NC
- Average daylight in September: 12h and 24min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in September
McFarlan, NC
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (21.2 days).
The months with the least sunshine days are July and August (9.9 days).
Average UV index in September
McFarlan, NC
- 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
McFarlan, NC
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in September
McFarlan, NC
- 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).
