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
In the transition from August to September, Clarendon reports an average high-temperature of a warm 83.3°F (28.5°C), indicating a close resemblance to the prior month. Clarendon's temperature in September lowers to a consistent average of 67.1°F (19.5°C) during the nights.Heat index
The heat index value during September is estimated at a hot 91.4°F (33°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The months with the highest humidity are May, June, August and September, with an average relative humidity of 79%.Rainfall
In September, the rain falls for 16 days. Throughout September, 3.9" (99mm) of precipitation is accumulated. Throughout the year, in Clarendon, there are 173.5 rainfall days, and 36.61" (930mm) of precipitation is accumulated.Snowfall
In Clarendon, snow does not fall in April through November.Daylight
In September, the average length of the day in Clarendon is 12h and 23min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:09 am and sunset at 7:00 pm EDT.
Sunshine
The average sunshine in September in Clarendon is 9.4h.UV index
In Clarendon, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
How hot does it get in Clarendon in September?
What are the most humid months in Clarendon?
What is the average humidity in September in Clarendon?
How much does it rain in Clarendon in September?
When it does not snow in Clarendon?
How many hours of daylight does Clarendon have in September?
What time are sunrise and sunset in September in Clarendon?
How many hours of sunshine does Clarendon have in September?
What is the UV index reading in September in Clarendon?
Average temperature in September
Clarendon, NC
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).
Average pressure in September
Clarendon, NC
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January, November and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Clarendon, NC
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Clarendon, NC
- Average humidity in September: 79%
The months with the highest relative humidity are May, June, August and September (79%).
The month with the lowest relative humidity is January (73%).
Average rainfall in September
Clarendon, NC
- Average rainfall in September: 3.9"
The wettest month (with the highest rainfall) is August (4.61").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in September
Clarendon, NC
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is July (21.3 days).
The months with the least rainy days are October and November (9.7 days).
Average snowfall in September
Clarendon, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Clarendon, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Clarendon, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Clarendon, NC
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in September
Clarendon, NC
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Clarendon, NC
- Average cloud cover in September: 33
The months with the most cloud cover are February, March and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Clarendon, 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).
Clarendon, North Carolina, USA
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