September weather forecastChatsworth, GA
September
Weather in September
September, the first month of the autumn in Chatsworth, is still a warm month, with an average temperature fluctuating between 61.3°F (16.3°C) and 82.2°F (27.9°C).Temperature
The initiation of September sees an average high-temperature of a warm 82.2°F (27.9°C), showing minor variations from the previous month. Chatsworth's September nights cool down to an average low-temperature of 61.3°F (16.3°C).Heat index
The average heat index in September is appraised at a hot 87.8°F (31°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
June through November, with an average relative humidity of 75%, are the least humid months.Rainfall
September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.52" (64mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:24 pm EDT.
Sunshine
In Chatsworth, the average sunshine in September is 8.6h.UV index
In Chatsworth, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chatsworth, GA
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in September
Chatsworth, GA
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Chatsworth, GA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Chatsworth, GA
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).
Average rainfall in September
Chatsworth, GA
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in September
Chatsworth, GA
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Chatsworth, GA
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Chatsworth, GA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.1 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
Chatsworth, GA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 36min
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 6min).
Average sunshine days in September
Chatsworth, GA
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Chatsworth, GA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Chatsworth, GA
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Chatsworth, GA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
