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 records an average high-temperature of a moderately hot 81.5°F (27.5°C), marking a negligible difference from August's 86.2°F (30.1°C). September in Rocky Mount generally records an average low-temperature of 64.4°F (18°C).Heat index
The heat index value for September is calculated to be a tropical 87.8°F (31°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
May and September, with an average relative humidity of 78%, are the most humid months in Rocky Mount.Rainfall
In Rocky Mount, North Carolina, in September, during 13.8 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, there are 165.9 rainfall days, and 33.23" (844mm) of precipitation is accumulated.Snowfall
In Rocky Mount, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:38 pm. On the last day of September, 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 Rocky Mount, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 during September translates into the following guidance:
Guard yourself - Avoiding sunburn is suggested. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are September temperatures in Rocky Mount?
What is the most humid month in Rocky Mount?
What is the average humidity in September in Rocky Mount?
How much does it rain in Rocky Mount in September?
When it does not snow in Rocky Mount?
What is the average length of the day in September in Rocky Mount?
What time are sunrise and sunset in September in Rocky Mount?
How long on average sun shines in September in Rocky Mount?
What is the UV index reading 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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