September weather forecastHilyer, GA
September
Weather in September
September, the first month of the autumn in Hilyer, is still a warm month, with an average temperature varying between 84.6°F (29.2°C) and 65.5°F (18.6°C).Temperature
As Hilyer transitions into September, the average high-temperature stands at a warm 84.6°F (29.2°C), offering little variation from the preceding month. Hilyer's September nights cool down to an average low-temperature of 65.5°F (18.6°C).Heat index
For September, the heat index is estimated at a hot 93.2°F (34°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 critical for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
In September, the average relative humidity is 74%.Rainfall
In Hilyer, in September, it is raining for 12.5 days, with typically 1.57" (40mm) of accumulated precipitation. In Hilyer, during the entire year, the rain falls for 153.7 days and collects up to 26.34" (669mm) of precipitation.Snowfall
April through November are months without snowfall in Hilyer.Daylight
The average length of the day in September is 12h and 22min.On the first day of September in Hilyer, sunrise is at 7:14 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:25 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Take precautions - Protection against sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hilyer, GA
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.7°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).
Average pressure in September
Hilyer, GA
- Average pressure in September: 30.01"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
Hilyer, GA
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Hilyer, GA
- Average humidity in September: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Hilyer, GA
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is October (1.3").
Average rainfall days in September
Hilyer, GA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is October (7.6 days).
Average snowfall in September
Hilyer, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Hilyer, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 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
Hilyer, GA
- Average daylight in September: 12h and 24min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Hilyer, GA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Hilyer, 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 3).
Average cloud cover in September
Hilyer, GA
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 32).
Average visibility in September
Hilyer, GA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





