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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a tropical 87.4°F (30.8°C) in August to a warm 81.3°F (27.4°C). Throughout the month of September, Claremont reports a steady low-temperature average of 60.8°F (16°C).Heat index
The heat index value for September is estimated at a hot 86°F (30°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
In September, the average relative humidity is 74%.Rainfall
In Claremont, in September, during 13.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Claremont, North Carolina, during the entire year, the rain falls for 165 days and collects up to 32.99" (838mm) of precipitation.Snowfall
In Claremont, North Carolina, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Claremont, sunrise is at 6:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:09 pm EDT.
Sunshine
In Claremont, North Carolina, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Claremont in September?
What is the average humidity in September in Claremont?
How many days does it rain in September in Claremont?
When it does not snow in Claremont?
What is the average length of the day in September in Claremont?
When is the sunrise / sunset in September in Claremont?
How long on average sun shines in September in Claremont?
What is the UV index reading in September in Claremont?
Average temperature in September
Claremont, NC
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Claremont, NC
- Average pressure in September: 30.05"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
Claremont, NC
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Claremont, NC
- Average humidity in September: 74%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Claremont, NC
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is October (2.01").
Average rainfall days in September
Claremont, NC
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Claremont, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Claremont, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Claremont, 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 months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Claremont, NC
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Claremont, 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
Claremont, NC
- Average cloud cover in September: 33
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Claremont, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Claremont, North Carolina, USA
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