September weather forecastLilly, GA
September
Weather in September
September, the first month of the autumn in Lilly, is also a moderately hot month, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 67.8°F (19.9°C).Temperature
September's presence marks an average high-temperature of a warm 84.9°F (29.4°C), subtly varied from August's 89.2°F (31.8°C). Throughout September, the nighttime temperature in Lilly averages to an enjoyable 67.8°F (19.9°C).Heat index
The heat index value for September is computed to be a tropical 93.2°F (34°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In Lilly, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 9.9 days and accumulates 0.51" (13mm) of precipitation.Snowfall
February, April through December are months without snowfall in Lilly.Daylight
The average length of the day in September in Lilly is 12h and 21min.On the first day of September in Lilly, sunrise is at 7:11 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:21 pm EDT.
Sunshine
In September, the average sunshine in Lilly, Georgia, is 8.8h.UV index
In September, the average daily maximum UV index in Lilly is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lilly, 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
Lilly, 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
Lilly, 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
Lilly, 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
Lilly, 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
Lilly, 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
Lilly, 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
Lilly, GA
- Average daylight in September: 12h and 24min
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 48min
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
Lilly, 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
Lilly, 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
Lilly, 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
Lilly, 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).
