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 move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 84.7°F (29.3°C) to a still warm 78.1°F (25.6°C). September witnesses an average low-temperature hovering around a mild 58.1°F (14.5°C).Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall in Rocky Mount is September, when the rain falls for 13 days and typically collects 1.65" (42mm) of precipitation.Snowfall
In Rocky Mount, snow does not fall in May through October.Daylight
In September, the average length of the day in Rocky Mount is 12h and 25min.On the first day of September, sunrise is at 6:51 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:03 pm EDT.
Sunshine
In Rocky Mount, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Rocky Mount is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Rocky Mount?
What is the average humidity in September in Rocky Mount?
What is the driest month in Rocky Mount?
How many days does it rain in September in Rocky Mount?
When it does not snow in Rocky Mount?
How many hours of daylight does Rocky Mount have in September?
When are sunrise and sunset in September in Rocky Mount?
How many hours of sunshine does Rocky Mount have in September?
What is the UV index intensity in September in Rocky Mount?
Average temperature in September
Rocky Mount, VA
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Rocky Mount, VA
- Average pressure in September: 30.06"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
Rocky Mount, VA
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January, February and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Rocky Mount, VA
- Average humidity in September: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Rocky Mount, VA
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Rocky Mount, VA
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (8 days).
Average snowfall in September
Rocky Mount, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rocky Mount, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rocky Mount, VA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Rocky Mount, VA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Rocky Mount, VA
- 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
Rocky Mount, VA
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Rocky Mount, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Rocky Mount, Virginia, USA
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