September weather forecastIrwinville, GA
September
Weather in September
September, the first month of the autumn in Irwinville, is also a moderately hot month, with an average temperature ranging between max 84.7°F (29.3°C) and min 68.4°F (20.2°C).Temperature
The beginning of September reveals an average high-temperature of a moderately hot 84.7°F (29.3°C), showing minimal deviation from the previous month. Irwinville in September experiences a low-temperature average of 68.4°F (20.2°C).Heat index
In September, the average heat index is calculated to be a sweltering 95°F (35°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. 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 especially vital to children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
The average relative humidity in September is 76%.Rainfall
In Irwinville, in September, during 13.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 134.5 rainfall days, and 14.61" (371mm) of precipitation is accumulated.Snowfall
In Irwinville, snow does not fall in March through December.Daylight
In September, the average length of the day is 12h and 21min.On the first day of September, sunrise is at 7:09 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Irwinville, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Irwinville, GA
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.4°F).
- Average low temperature in September: 68.4°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in September
Irwinville, GA
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Irwinville, GA
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Irwinville, GA
- Average humidity in September: 76%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January, October and November (72%).
Average rainfall in September
Irwinville, GA
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in September
Irwinville, GA
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in September
Irwinville, GA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Irwinville, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Irwinville, GA
- Average daylight in September: 12h and 18min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Irwinville, GA
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in September
Irwinville, 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
Irwinville, GA
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in September
Irwinville, 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).
