September weather forecastEast Flat Rock, NC
September
Weather in September
September, the first month of the autumn in East Flat Rock, is also a moderately hot month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 57.6°F (14.2°C).Temperature
With the onset of September, the average high-temperature subtly recedes from August's warm 84.2°F (29°C) to a still moderately hot 78.6°F (25.9°C). During September, East Flat Rock consistently records a temperature low averaging a moderate 57.6°F (14.2°C).Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 14.1 days and accumulates 1.97" (50mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, an average UV index of 5 transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
East Flat Rock, NC
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in September
East Flat Rock, NC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
East Flat Rock, NC
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
East Flat Rock, NC
- Average humidity in September: 76%
The months with the highest relative humidity are May and December (77%).
The months with the lowest relative humidity are January, July and November (73%).
Average rainfall in September
East Flat Rock, NC
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is December (3.9").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
East Flat Rock, NC
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
East Flat Rock, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
East Flat Rock, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
East Flat Rock, 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: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
East Flat Rock, NC
- Average sunshine days in September: 13.7 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
East Flat Rock, NC
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
East Flat Rock, NC
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
East Flat Rock, NC
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, May, September and December (5mi).
