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
Forest Park, Georgia, observes an average high-temperature of a warm 84.2°F (29°C) in September, barely different from 89.2°F (31.8°C) in August. During September nights, Forest Park witnesses a consistent average temperature of 65.3°F (18.5°C).Heat index
The heat index value during September is estimated at a tropical 91.4°F (33°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. 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 quite important for children. 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
The average relative humidity in September in Forest Park is 71%.Rainfall
In Forest Park, in September, during 12.1 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in Forest Park, Georgia, there are 170.9 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
In Forest Park, Georgia, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:02 pm. On the last day of September, in Forest Park, sunrise is at 7:31 am and sunset at 7:22 pm EDT.
Sunshine
The average sunshine in September in Forest Park is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Forest Park in September?
What is the average humidity in September in Forest Park?
How many days does it rain in September in Forest Park?
When it does not snow in Forest Park?
What is the average length of the day in September in Forest Park?
What time are sunrise and sunset in September in Forest Park?
How long on average sun shines in September in Forest Park?
How high is the UV index in September in Forest Park?
Average temperature in September
Forest Park, GA
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in September
Forest Park, 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
Forest Park, GA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Forest Park, GA
- Average humidity in September: 71%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and October (70%).
Average rainfall in September
Forest Park, GA
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is October (1.57").
Average rainfall days in September
Forest Park, GA
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (21.3 days).
The months with the least rainy days are October and November (9.5 days).
Average snowfall in September
Forest Park, GA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Forest Park, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Forest Park, 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: 10h and 0min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Forest Park, GA
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Forest Park, GA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Forest Park, GA
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Forest Park, 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).
Forest Park, Georgia, USA
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