September weather forecastSanford, NC
September
Weather in September
As Sanford transitions from summer to fall, September weather cools down to 82.6°F (28.1°C). Rainfall decreases significantly and is well-spread across the month. Though warm, the month also brings an increase in wind speeds. Daylight hours begin to recede, further indicating the onset of the cooler months.Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a tropical 88°F (31.1°C) in August to a moderately hot 82.6°F (28.1°C). September witnesses an average low-temperature hovering around a comfortable 64°F (17.8°C).Heat index
September's heat index is estimated at a hot 89.6°F (32°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Observations indicate that the heat index values are for shady locations with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The average relative humidity in September in Sanford is 75%.Rainfall
In September, the rain falls for 12.6 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 151.7 rainfall days, and 28.74" (730mm) of precipitation is accumulated.Snowfall
In Sanford, snow does not fall in April through October.Daylight
The average length of the day in September in Sanford is 12h and 23min.On the first day of September, sunrise is at 6:49 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:01 pm EDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In Sanford, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Make use of precautions - It is urged to ward off sun damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sanford, NC
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Sanford, NC
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Sanford, NC
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Sanford, NC
- Average humidity in September: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in September
Sanford, NC
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is October (1.81").
Average rainfall days in September
Sanford, NC
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Sanford, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sanford, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Sanford, NC
- Average daylight in September: 12h and 24min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Sanford, NC
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Sanford, NC
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Sanford, NC
- Average cloud cover in September: 36
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
Sanford, 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).
