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 advent of September brings an average high-temperature of a moderately hot 84.2°F (29°C), almost identical to the preceding month. In the month of September, Royston experiences an average low-temperature of 63.7°F (17.6°C).Heat index
Throughout September, the heat index is calculated to be a hot 91.4°F (33°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
The average relative humidity in September in Royston is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.93" (49mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Royston, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:58 pm. On the last day of September, in Royston, sunrise is at 7:26 am and sunset at 7:17 pm EDT.
Sunshine
In Royston, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
How hot does it get in Royston in September?
What is the average humidity in September in Royston?
What is the driest month in Royston?
How many days does it rain in September in Royston?
When it does not snow in Royston?
How many hours of daylight does Royston have in September?
When is the sunrise / sunset in September in Royston?
How long on average sun shines in September in Royston?
What is the UV index intensity in September in Royston?
Average temperature in September
Royston, GA
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Royston, GA
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Royston, GA
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Royston, GA
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Royston, GA
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Royston, GA
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is October (9.6 days).
Average snowfall in September
Royston, GA
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.38").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Royston, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Royston, GA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Royston, GA
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Royston, GA
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Royston, GA
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Royston, 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).
Royston, Georgia, USA
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