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
In September, Rio notes an average high-temperature of a moderately hot 84°F (28.9°C), hardly different from the preceding month. Rio's nighttime temperature during September is consistently averaged at a comfortable 65.5°F (18.6°C).Heat index
For most parts of September, the heat index is evaluated at a hot 91.4°F (33°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The average relative humidity in September is 73%.Rainfall
In Rio, Georgia, during September, the rain falls for 13.8 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 179.6 rainfall days, and 39.84" (1012mm) of precipitation is accumulated.Snowfall
In Rio, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 7:12 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:22 pm EDT.
Sunshine
In Rio, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Rio is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
How hot is September in Rio?
What is the average humidity in September in Rio?
How much does it rain in Rio in September?
When it does not snow in Rio?
How many hours of daylight does Rio have in September?
When is the sunrise / sunset in September in Rio?
How long on average sun shines in September in Rio?
What is the UV index reading in September in Rio?
Average temperature in September
Rio, GA
- Average high temperature in September: 84°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Rio, 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 (29.99"Hg).
Average wind speed in September
Rio, GA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Rio, GA
- Average humidity in September: 73%
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
Rio, GA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is August (4.61").
The driest month (with the least rainfall) is October (2.09").
Average rainfall days in September
Rio, GA
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in September
Rio, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rio, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1 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
Rio, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Rio, GA
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (7.4 days).
Average UV index in September
Rio, 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, February and December (UV index 3).
Average cloud cover in September
Rio, GA
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility in September
Rio, 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).
Rio, Georgia, USA
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