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
Rockingham's average high-temperature in September is a warm 85.1°F (29.5°C), indicating a subtle variation from August. Rockingham experiences an average low-temperature reading of 69.3°F (20.7°C) throughout September.Heat index
The heat index value for September is appraised at a very hot 96.8°F (36°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
August and September, with an average relative humidity of 78%, are the most humid months.Rainfall
In Rockingham, Georgia, in September, it is raining for 13.7 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 136.5 rainfall days, and 17.01" (432mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall in Rockingham.Daylight
In Rockingham, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:05 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Rockingham, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 6 in September suggests the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
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?
How many hours of daylight does Rockingham have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Rockingham have in September?
What is the UV index reading in September?
Average temperature in September
Rockingham, GA
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (58.3°F).
- Average low temperature in September: 69.3°F
The month with the highest average low temperature is August (73.8°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in September
Rockingham, GA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Rockingham, GA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Rockingham, GA
- Average humidity in September: 78%
The months with the highest relative humidity are August and September (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall in September
Rockingham, GA
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in September
Rockingham, GA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in September
Rockingham, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Rockingham, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.1 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
Rockingham, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- 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 December (Average sunshine: 5h and 18min).
Average sunshine days in September
Rockingham, GA
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in September
Rockingham, GA
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Rockingham, GA
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Rockingham, GA
- 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).
Rockingham, Georgia, USA
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