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 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
Vienna's average high-temperature in September is a moderately hot 84.9°F (29.4°C), marking an insignificant difference from the 89.2°F (31.8°C) of August. In the month of September, Vienna records a consistent average low-temperature of 67.8°F (19.9°C).Heat index
The average heat index in September is computed to be a hot 93.2°F (34°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Understand that the heat index values take into account shaded locations and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in September in Vienna is 74%.Rainfall
September is the month with the least rainfall in Vienna. Rain falls for 9.9 days and accumulates 0.51" (13mm) of precipitation.Snowfall
February, April through December are months without snowfall in Vienna, Georgia.Daylight
In September, the average length of the day is 12h and 21min.On the first day of the month, sunrise is at 7:10 am and sunset at 7:58 pm. On the last day of September, in Vienna, sunrise is at 7:28 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September in Vienna is 8.8h.UV index
In Vienna, Georgia, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
How hot is it in Vienna in September?
What is the average humidity in September in Vienna?
What is the driest month in Vienna?
How many days does it rain in September in Vienna?
When it does not snow in Vienna?
What is the average length of the day in September in Vienna?
What time are sunrise and sunset in September in Vienna?
How many hours of sunshine does Vienna have in September?
What is the UV index reading in September in Vienna?
Average temperature in September
Vienna, GA
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (56.3°F).
- Average low temperature in September: 67.8°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in September
Vienna, GA
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Vienna, GA
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Vienna, GA
- Average humidity in September: 74%
The months with the highest relative humidity are August and December (76%).
The months with the lowest relative humidity are January, October and November (70%).
Average rainfall in September
Vienna, GA
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in September
Vienna, GA
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is August (16.1 days).
The month with the least rainy days is November (6.1 days).
Average snowfall days in September
Vienna, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and March (0.1 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Vienna, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Vienna, GA
- Average sunshine days in September: 17.6 days
The months with the most sunshine days are October and November (22.7 days).
The month with the least sunshine days is August (11.5 days).
Average UV index in September
Vienna, GA
- Average UV index in September: 6
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Vienna, GA
- Average cloud cover in September: 30
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 27).
Average visibility in September
Vienna, 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).
Vienna, Georgia, USA
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