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 in Rocky Mount records an average high-temperature of a moderately hot 81.5°F (27.5°C), almost echoing the conditions of the previous month. In Rocky Mount, an average low-temperature of 64.4°F (18°C) is recorded during September nights.Heat index
During September, the heat index is calculated to be a tropical 87.8°F (31°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
The months with the highest humidity are May and September, with an average relative humidity of 78%.Rainfall
In Rocky Mount, North Carolina, in September, it is raining for 13.8 days, with typically 3.07" (78mm) of accumulated precipitation. In Rocky Mount, during the entire year, the rain falls for 165.9 days and collects up to 33.23" (844mm) of precipitation.Snowfall
In Rocky Mount, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:43 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:55 pm EDT.
Sunshine
In Rocky Mount, North Carolina, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What are the most humid months?
What is the average humidity in September?
How much 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?
How high is the UV index in September in Rocky Mount?
Average temperature in September
Rocky Mount, NC
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in September: 64.4°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 (32.9°F).
Average pressure in September
Rocky Mount, 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
Rocky Mount, NC
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Rocky Mount, NC
- Average humidity in September: 78%
The months with the highest relative humidity are May and September (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in September
Rocky Mount, NC
- Average rainfall in September: 3.07"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is January (2.32").
Average rainfall days in September
Rocky Mount, NC
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Rocky Mount, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rocky Mount, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Rocky Mount, 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 months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Rocky Mount, NC
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Rocky Mount, 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
Rocky Mount, NC
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in September
Rocky Mount, 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).
Rocky Mount, North Carolina, USA
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