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 brings a marginal elevation to a moderately hot 81.3°F (27.4°C) from August's 86.4°F (30.2°C) in Speed's average high-temperatures. Speed experiences a nighttime temperature average of 64.2°F (17.9°C) during September.Heat index
Throughout September, the heat index is estimated at a tropical 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The months with the highest humidity are May, August and September, with an average relative humidity of 78%.Rainfall
In September, in Speed, the rain falls for 13.5 days. Throughout September, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 163.2 rainfall days, and 32.95" (837mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:54 pm EDT.
Sunshine
In Speed, the average sunshine in September is 9h.UV index
In Speed, 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 radiation for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What are September temperatures in Speed?
What are the most humid months in Speed?
What is the average humidity in September in Speed?
How many days does it rain in September in Speed?
When it does not snow in Speed?
What is the average length of the day in September in Speed?
When are sunrise and sunset in September in Speed?
How many hours of sunshine does Speed have in September?
What is the UV index intensity in September in Speed?
Average temperature in September
Speed, NC
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in September
Speed, NC
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Speed, NC
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Speed, NC
- Average humidity in September: 78%
The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in September
Speed, NC
- Average rainfall in September: 2.99"
The wettest month (with the highest rainfall) is August (3.5").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in September
Speed, 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 (9.3 days).
Average snowfall in September
Speed, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Speed, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Speed, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
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 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Speed, NC
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in September
Speed, 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
Speed, NC
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Speed, 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).
Speed, North Carolina, USA
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