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
Rockridge measures an average high-temperature of a warm 84.7°F (29.3°C) in September, nearly consistent with the preceding month. In Rockridge, September is marked by an average low-temperature of 64.9°F (18.3°C).Heat index
September's average heat index is calculated to be a hot 93.2°F (34°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. In Rockridge, during the entire year, the rain falls for 148.5 days and collects up to 21.3" (541mm) of precipitation.Snowfall
In Rockridge, snow does not fall in March through November.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 7:15 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Rockridge, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. 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 September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Rockridge have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Rockridge have in September?
How high is the UV index in September in Rockridge?
Average temperature in September
Rockridge, GA
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Rockridge, GA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Rockridge, GA
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Rockridge, GA
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in September
Rockridge, GA
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is July (2.8").
The driest month (with the least rainfall) is October (1.02").
Average rainfall days in September
Rockridge, GA
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in September
Rockridge, GA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Rockridge, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 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
Rockridge, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Rockridge, GA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in September
Rockridge, GA
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Rockridge, GA
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
Rockridge, GA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Rockridge, Georgia, USA
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