September weather forecastMyrtle Grove, NC
September
Weather in September
The first month of the autumn, September, is still a warm month in Myrtle Grove, North Carolina, with an average temperature ranging between min 73°F (22.8°C) and max 81.7°F (27.6°C).Temperature
Myrtle Grove marks the start of September with an average high-temperature of a still moderately hot 81.7°F (27.6°C), hinting at a slight fluctuation from August's 85.6°F (29.8°C). A minimal decline in temperature from daytime highs is anticipated throughout the September nights, averaging a pleasant 73°F (22.8°C).Heat index
September's average heat index is appraised at a tropical 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Always consider that heat index estimations are for light winds and places in the shade. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In Myrtle Grove, the average relative humidity in September is 76%.Rainfall
In Myrtle Grove, North Carolina, in September, it is raining for 11.3 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, there are 122.3 rainfall days, and 11.14" (283mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:56 pm EDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Myrtle Grove, NC
- Average high temperature in September: 81.7°F
The warmest months (with the highest average high temperature) are July and August (85.6°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in September: 73°F
The month with the highest average low temperature is July (77.5°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).
Average pressure in September
Myrtle Grove, NC
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January, November and December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Myrtle Grove, NC
- Average wind speed in September: 10.1mph
The windiest months (with the highest average wind speed) are February and April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in September
Myrtle Grove, NC
- Average humidity in September: 76%
The months with the highest relative humidity are May, June, July, August and December (77%).
The months with the lowest relative humidity are January, March, October and November (74%).
Average rainfall in September
Myrtle Grove, NC
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Myrtle Grove, NC
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is November (6.3 days).
Average snowfall days in September
Myrtle Grove, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Myrtle Grove, NC
- Average daylight in September: 12h and 24min
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 24min
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
Myrtle Grove, NC
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Myrtle Grove, NC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Myrtle Grove, NC
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Myrtle Grove, 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).
