September weather forecastHigh Falls, NC
September
Weather in September
September, the first month of the autumn in High Falls, is also a moderately hot month, with an average temperature fluctuating between 82.9°F (28.3°C) and 64°F (17.8°C).Temperature
A minor decrease in the average high-temperature is observed during September, shifting from a hot 88.3°F (31.3°C) in August to a moderately hot 82.9°F (28.3°C). High Falls throughout September, records an average low-temperature of 64°F (17.8°C).Heat index
The heat index for September is appraised at a tropical 89.6°F (32°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.For clarity, heat index numbers account for light winds and areas under shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In High Falls, the average relative humidity in September is 75%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in High Falls, there are 159.1 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in High Falls.Daylight
In High Falls, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:02 pm EDT.
Sunshine
The average sunshine in September is 9.1h.UV index
In High Falls, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
High Falls, NC
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (49.3°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
High Falls, NC
- 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 (29.97"Hg).
Average wind speed in September
High Falls, NC
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
High Falls, NC
- Average humidity in September: 75%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
High Falls, NC
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is October (1.89").
Average rainfall days in September
High Falls, NC
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
High Falls, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
High Falls, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 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
High Falls, 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 48min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
High Falls, NC
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (20.1 days).
The months with the least sunshine days are July and August (11.4 days).
Average UV index in September
High Falls, NC
- 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
High Falls, NC
- Average cloud cover in September: 34
The months with the most cloud cover are February, March and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
High Falls, 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).
