September weather forecastBrowns Summit, NC
September
Weather in September
September, the first month of the autumn in Browns Summit, is still a warm month, with an average temperature varying between 81.1°F (27.3°C) and 62.2°F (16.8°C).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's hot 87.4°F (30.8°C) to a warm 81.1°F (27.3°C). In September, the average low-temperature records at a refreshing 62.2°F (16.8°C) during the nights.Heat index
September's average heat index is estimated at a hot 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
The average relative humidity in September is 75%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. In Browns Summit, during the entire year, the rain falls for 155.9 days and collects up to 30.35" (771mm) of precipitation.Snowfall
In Browns Summit, snow does not fall in April through October.Daylight
In September, the average length of the day in Browns Summit is 12h and 24min.On the first day of September, sunrise is at 6:51 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:03 pm EDT.
Sunshine
The average sunshine in September 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 medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Browns Summit, NC
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Browns Summit, 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 (29.97"Hg).
Average wind speed in September
Browns Summit, NC
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Browns Summit, NC
- Average humidity in September: 75%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Browns Summit, NC
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is October (1.81").
Average rainfall days in September
Browns Summit, NC
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Browns Summit, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Browns Summit, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Browns Summit, NC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Browns Summit, NC
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Browns Summit, NC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Browns Summit, NC
- Average cloud cover in September: 37
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Browns Summit, NC
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
