Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Holly Springs commences September with an average high-temperature of a warm 82.2°F (27.9°C), maintaining a close resemblance to the previous month. Holly Springs records an average temperature drop to a comfortable 64.6°F (18.1°C) in September.Heat index
During September, the heat index is appraised at a hot 87.8°F (31°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The months with the highest humidity in Holly Springs are May, September and December, with an average relative humidity of 76%.Rainfall
In Holly Springs, in September, it is raining for 12.4 days, with typically 2.52" (64mm) of accumulated precipitation. In Holly Springs, North Carolina, during the entire year, the rain falls for 161.9 days and collects up to 31.57" (802mm) of precipitation.Snowfall
April 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 6:48 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:00 pm EDT.
Sunshine
In Holly Springs, the average sunshine in September is 9.1h.UV index
In Holly Springs, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the temperatures in Holly Springs in September?
What is the most humid month in Holly Springs?
What is the average humidity in September in Holly Springs?
How many days does it rain in September in Holly Springs?
When it does not snow in Holly Springs?
How many hours of daylight does Holly Springs have in September?
When is the sunrise / sunset in September in Holly Springs?
How long on average sun shines in September in Holly Springs?
What is the UV index intensity in September in Holly Springs?
Average temperature in September
Holly Springs, NC
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in September
Holly Springs, 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 (29.96"Hg).
Average wind speed in September
Holly Springs, 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
Holly Springs, NC
- Average humidity in September: 76%
The months with the highest relative humidity are May, September and December (76%).
The months with the lowest relative humidity are January, March, April, June, July and November (73%).
Average rainfall in September
Holly Springs, NC
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is October (2.09").
Average rainfall days in September
Holly Springs, NC
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Holly Springs, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Holly Springs, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Holly Springs, NC
- Average daylight in September: 12h and 2min
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 1min
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
Holly Springs, NC
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Holly Springs, NC
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Holly Springs, NC
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Holly Springs, 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).
Holly Springs, North Carolina, USA
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