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
Oakbrook starts September with an average high-temperature of a warm 84.7°F (29.3°C), a minor shift from August's 89.2°F (31.8°C). In Oakbrook, September's nights observe an average temperature dip to an enjoyable 64.9°F (18.3°C).Heat index
The heat index in September is calculated to be a tropical 93.2°F (34°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance 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 is 73%.Rainfall
In Oakbrook, during September, the rain falls for 10.2 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Oakbrook, during the entire year, the rain falls for 132.6 days and collects up to 14.41" (366mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
In September, the average length of the day in Oakbrook is 12h and 22min.On the first day of September, sunrise is at 7:10 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Oakbrook, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Adopt protective measures - It is advised to guard against sun damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Oakbrook have in September?
What is the UV index intensity in September?
Average temperature in September
Oakbrook, GA
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in September: 64.9°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 (35.6°F).
Average pressure in September
Oakbrook, 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
Oakbrook, GA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Oakbrook, GA
- Average humidity in September: 73%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in September
Oakbrook, GA
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is October (0.75").
Average rainfall days in September
Oakbrook, GA
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (6 days).
Average snowfall in September
Oakbrook, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Oakbrook, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Oakbrook, 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 4min
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
Oakbrook, GA
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Oakbrook, 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 2).
Average cloud cover in September
Oakbrook, GA
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in September
Oakbrook, 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).
Oakbrook, Georgia, USA
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