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
The onset of September results in a small decrease in the average high-temperature, moderately receding from a tropical 88.3°F (31.3°C) in August to a warm 82.2°F (27.9°C). An average nighttime temperature of 62.6°F (17°C) is observed in Stanley during September.Heat index
The heat index value for September is evaluated at a tropical 87.8°F (31°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Note that heat index values are valued for light wind and location in the shade. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In September, the average relative humidity is 73%.Rainfall
In Stanley, in September, during 13.4 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 158.9 rainfall days, and 31.26" (794mm) of precipitation is accumulated.Snowfall
In Stanley, snow does not fall in April through October.Daylight
In Stanley, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:51 pm. On the last day of September, in Stanley, sunrise is at 7:19 am and sunset at 7:09 pm EDT.
Sunshine
In Stanley, the average sunshine in September is 8.6h.UV index
In Stanley, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Heed the precautions - It is counselled to guard against solar damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are the temperatures in Stanley in September?
What is the average humidity in September in Stanley?
How much does it rain in Stanley in September?
When it does not snow in Stanley?
How many hours of daylight does Stanley have in September?
When is the sunrise / sunset in September in Stanley?
How long on average sun shines in September in Stanley?
What is the UV index intensity in September in Stanley?
Average temperature in September
Stanley, NC
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Stanley, 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 (29.98"Hg).
Average wind speed in September
Stanley, NC
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Stanley, NC
- Average humidity in September: 73%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Stanley, NC
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.93").
Average rainfall days in September
Stanley, NC
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Stanley, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Stanley, 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
Stanley, 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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Stanley, NC
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Stanley, 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
Stanley, NC
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Stanley, 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).
Stanley, North Carolina, USA
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