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
West Smithfield's entry into September measures an average high-temperature of a moderately hot 81.5°F (27.5°C), closely parallel to the preceding month. Throughout the September nights, West Smithfield encounters a low-temperature of 64.9°F (18.3°C).Heat index
September's mean heat index is computed to be a hot 87.8°F (31°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant 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
May, August and September, with an average relative humidity of 77%, are the most humid months.Rainfall
In West Smithfield, North Carolina, in September, it is raining for 10.1 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 115.7 rainfall days, and 11.06" (281mm) of precipitation is accumulated.Snowfall
In West Smithfield, snow does not fall in March through December.Daylight
The average length of the day in September in West Smithfield is 12h and 23min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:58 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in West Smithfield is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in West Smithfield?
What are the most humid months in West Smithfield?
What is the average humidity in September in West Smithfield?
How many days does it rain in September in West Smithfield?
When it does not snow in West Smithfield?
What is the average length of the day in September in West Smithfield?
What time are sunrise and sunset in September in West Smithfield?
How long on average sun shines in September in West Smithfield?
What is the UV index intensity in September in West Smithfield?
Average temperature in September
West Smithfield, NC
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in September
West Smithfield, NC
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
West Smithfield, NC
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
West Smithfield, NC
- Average humidity in September: 77%
The months with the highest relative humidity are May, August and September (77%).
The months with the lowest relative humidity are January, March and November (73%).
Average rainfall in September
West Smithfield, NC
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
West Smithfield, NC
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in September
West Smithfield, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
West Smithfield, NC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
West Smithfield, 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 24min).
Average sunshine days in September
West Smithfield, NC
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is October (22.7 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in September
West Smithfield, NC
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
West Smithfield, NC
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
West Smithfield, 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).
West Smithfield, North Carolina, USA
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