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
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a hot 87.3°F (30.7°C) in August to a warm 81.9°F (27.7°C). During September, the nighttime temperature averages of 64.9°F (18.3°C).Heat index
In September, the heat index is appraised at a hot 87.8°F (31°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
May, August, September and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 1.02" (26mm) of precipitation is accumulated. In Merry Hill, during the entire year, the rain falls for 120.6 days and collects up to 12.44" (316mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:34 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:51 pm EDT.
Sunshine
In Merry Hill, the average sunshine in September is 8.9h.UV index
In Merry Hill, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the most humid month in Merry Hill?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Merry Hill, NC
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in September
Merry Hill, NC
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are November and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Merry Hill, NC
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Merry Hill, NC
- Average humidity in September: 79%
The months with the highest relative humidity are May, August, September and December (79%).
The month with the lowest relative humidity is January (75%).
Average rainfall in September
Merry Hill, NC
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is June (1.61").
The driest months (with the least rainfall) are January and December (0.71").
Average rainfall days in September
Merry Hill, NC
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (13.5 days).
The months with the least rainy days are January and November (6.9 days).
Average snowfall in September
Merry Hill, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Merry Hill, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Merry Hill, 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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Merry Hill, NC
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Merry Hill, NC
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Merry Hill, NC
- Average cloud cover in September: 40
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 34).
Average visibility in September
Merry Hill, NC
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Merry Hill, North Carolina, USA
Weather forecast for your location
2. Allow the app to use your location