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
September's arrival brings an average high-temperature of a warm 81.5°F (27.5°C), demonstrating subtle variation from the preceding month. Simpson in September experiences a low-temperature average of 65.1°F (18.4°C).Heat index
The heat index for September is appraised at a tropical 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The months with the highest humidity are May, July through September, with an average relative humidity of 79%.Rainfall
In Simpson, in September, during 14.6 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, in Simpson, there are 165.6 rainfall days, and 33.94" (862mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Simpson is 12h and 23min.On the first day of September in Simpson, sunrise is at 6:41 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:53 pm EDT.
Sunshine
The average sunshine in September in Simpson is 9h.UV index
In Simpson, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are the temperatures in Simpson in September?
What is the most humid month in Simpson?
What is the average humidity in September in Simpson?
How many days does it rain in September in Simpson?
When it does not snow in Simpson?
How many hours of daylight does Simpson have in September?
When are sunrise and sunset in September in Simpson?
How many hours of sunshine does Simpson have in September?
What is the UV index intensity in September in Simpson?
Average temperature in September
Simpson, NC
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in September: 65.1°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Simpson, NC
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Simpson, NC
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Simpson, NC
- Average humidity in September: 79%
The months with the highest relative humidity are May, July, August and September (79%).
The month with the lowest relative humidity is January (74%).
Average rainfall in September
Simpson, NC
- Average rainfall in September: 3.43"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in September
Simpson, NC
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (19.6 days).
The months with the least rainy days are October and November (9.4 days).
Average snowfall in September
Simpson, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Simpson, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Simpson, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Simpson, NC
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Simpson, NC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Simpson, 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 32).
Average visibility in September
Simpson, NC
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Simpson, North Carolina, USA
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