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
As September commences, the average high-temperature subtly reduces, transitioning from a hot 87.4°F (30.8°C) in August to a moderately hot 81.7°F (27.6°C). South Henderson records a steady low-temperature average of 63.1°F (17.3°C) during September.Heat index
Throughout September, the heat index is calculated to be a tropical 87.8°F (31°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values remain especially vital for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In South Henderson, North Carolina, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 2.09" (53mm) of precipitation.Snowfall
In South Henderson, snow does not fall in April through October.Daylight
In South Henderson, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:58 pm EDT.
Sunshine
In South Henderson, the average sunshine in September is 8.9h.UV index
In South Henderson, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are September temperatures in South Henderson?
What is the average humidity in September in South Henderson?
What is the driest month in South Henderson?
How many days does it rain in September in South Henderson?
When it does not snow in South Henderson?
What is the average length of the day in September in South Henderson?
When are sunrise and sunset in September in South Henderson?
How many hours of sunshine does South Henderson have in September?
What is the UV index intensity in September in South Henderson?
Average temperature in September
South Henderson, NC
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in September
South Henderson, 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
South Henderson, NC
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
South Henderson, NC
- Average humidity in September: 76%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
South Henderson, NC
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in September
South Henderson, NC
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
South Henderson, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
South Henderson, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
South Henderson, NC
- Average daylight in September: 12h and 2min
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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
South Henderson, NC
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (20.1 days).
The months with the least sunshine days are May and July (12.1 days).
Average UV index in September
South Henderson, NC
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
South Henderson, NC
- Average cloud cover in September: 38
The months with the most cloud cover are February and March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in September
South Henderson, 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).
South Henderson, North Carolina, USA
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