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 denotes a minimal variation in the average high-temperature to a moderately hot 82.8°F (28.2°C) from August's 87.6°F (30.9°C). Delco reports an average nighttime low-temperature of 69.3°F (20.7°C) in September.Heat index
The heat index for September is appraised at a tropical 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In September, the average relative humidity is 77%.Rainfall
In Delco, during September, the rain falls for 13.4 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Delco, during the entire year, the rain falls for 141.7 days and collects up to 16.65" (423mm) of precipitation.Snowfall
January, March through December are months without snowfall in Delco.Daylight
In Delco, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:46 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:58 pm EDT.
Sunshine
In Delco, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
Is it hot in Delco during September?
What is the average humidity in September in Delco?
How many days does it rain in September in Delco?
When it does not snow in Delco?
What is the average length of the day in September in Delco?
When is the sunrise / sunset in September in Delco?
How many hours of sunshine does Delco have in September?
What is the UV index reading in September in Delco?
Average temperature in September
Delco, NC
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in September: 69.3°F
The month with the highest average low temperature is July (74.5°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in September
Delco, NC
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Delco, NC
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Delco, NC
- Average humidity in September: 77%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are January, February and March (74%).
Average rainfall in September
Delco, NC
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Delco, NC
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in September
Delco, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Delco, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 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
Delco, 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 December (Average sunshine: 5h and 30min).
Average sunshine days in September
Delco, NC
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (9.1 days).
Average UV index in September
Delco, NC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Delco, NC
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Delco, 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).
Delco, North Carolina, USA
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