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 minor shift in the average high-temperature, adjusting from a hot 87.4°F (30.8°C) in August to a warm 81°F (27.2°C). Winston-Salem's temperature drops to an average low of 61.3°F (16.3°C) during the nights of September.Heat index
The heat index for September is estimated at a hot 86°F (30°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Realize that the values for the heat index are set for shaded places and light winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In September, the average relative humidity in Winston-Salem, North Carolina, is 74%.Rainfall
In Winston-Salem, in September, during 13.3 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 159 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:53 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:05 pm EDT.
Sunshine
In Winston-Salem, North Carolina, the average sunshine in September is 8.7h.UV index
In Winston-Salem, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Exercise prevention - Warding off sunburn is urged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are the temperatures in Winston-Salem in September?
What is the average humidity in September in Winston-Salem?
How many days does it rain in September in Winston-Salem?
When it does not snow in Winston-Salem?
What is the average length of the day in September in Winston-Salem?
When is the sunrise / sunset in September in Winston-Salem?
How long on average sun shines in September in Winston-Salem?
What is the UV index intensity in September in Winston-Salem?
Average temperature in September
Winston-Salem, NC
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Winston-Salem, 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
Winston-Salem, NC
- Average wind speed in September: 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 (4.4mph).
Average humidity in September
Winston-Salem, NC
- Average humidity in September: 74%
The months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Winston-Salem, NC
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is October (2.05").
Average rainfall days in September
Winston-Salem, NC
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Winston-Salem, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Winston-Salem, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Winston-Salem, 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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Winston-Salem, NC
- Average sunshine days in September: 15 days
The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Winston-Salem, 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, February and December (UV index 2).
Average cloud cover in September
Winston-Salem, NC
- Average cloud cover in September: 35
The months with the most cloud cover are February and March (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in September
Winston-Salem, 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).
Winston-Salem, North Carolina, USA
Weather forecast for your location
2. Allow the app to use your location
