September weather forecastBlowing Rock, NC
September
Weather in September
September in Blowing Rock signifies the commencement of the fall season. The maximum temperature declines to a comfortable 75.9°F (24.4°C), signifying the retreat of summer. This month also marks a noticeable reduction in rainfall, making it one of the drier months of the year. The regions start seeing shorter daylight hours, signaling the onset of cooler days ahead. The change in season can be witnessed in the form of vibrant fall colors splashed across the town's landscapes.Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a warm 81.5°F (27.5°C) in August to a still moderately hot 75.9°F (24.4°C). Nighttime temperatures hover around an average low of 55.4°F (13°C) in September.Humidity
In September, the average relative humidity is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.9 days and typically collects 2.05" (52mm) of precipitation.Snowfall
In Blowing Rock, snow does not fall in June through October.Daylight
In Blowing Rock, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:58 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:11 pm EDT.
Sunshine
In Blowing Rock, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blowing Rock, NC
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Blowing Rock, NC
- Average pressure in September: 30.06"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
Blowing Rock, NC
- Average wind speed in September: 4mph
The windiest months (with the highest average wind speed) are January and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Blowing Rock, NC
- Average humidity in September: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are June, July and November (75%).
Average rainfall in September
Blowing Rock, NC
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Blowing Rock, NC
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Blowing Rock, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.62").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Blowing Rock, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Blowing Rock, 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 48min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Blowing Rock, NC
- Average sunshine days in September: 12 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in September
Blowing Rock, NC
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Blowing Rock, NC
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Blowing Rock, NC
- Average visibility in September: 5mi
The months with the highest visibility are June, July, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September and December (5mi).
