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
The arrival of September coincides with an average high-temperature of a moderately hot 84.2°F (29°C), indicating a minimal shift from August's 89.2°F (31.8°C). Porterfield records an average nighttime low of 63.7°F (17.6°C) in September.Heat index
For most parts of September, the heat index is estimated at a hot 91.4°F (33°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Realize that the values for the heat index are set for shaded places and light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
The average relative humidity in September in Porterfield, Georgia, is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.93" (49mm) of precipitation.Snowfall
In Porterfield, Georgia, snow does not fall in April through November.Daylight
The average length of the day in September in Porterfield is 12h and 22min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:58 pm. On the last day of September, in Porterfield, Georgia, sunrise is at 7:26 am and sunset at 7:17 pm EDT.
Sunshine
In Porterfield, the average sunshine in September is 8.7h.UV index
In Porterfield, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Porterfield in September?
What is the average humidity in September in Porterfield?
What is the driest month in Porterfield?
How much does it rain in Porterfield in September?
When it does not snow in Porterfield?
How many hours of daylight does Porterfield have in September?
What time are sunrise and sunset in September in Porterfield?
How many hours of sunshine does Porterfield have in September?
What is the UV index reading in September in Porterfield?
Average temperature in September
Porterfield, GA
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in September
Porterfield, GA
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Porterfield, GA
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Porterfield, GA
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Porterfield, GA
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Porterfield, GA
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is October (9.6 days).
Average snowfall in September
Porterfield, GA
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.38").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Porterfield, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Porterfield, 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: 9h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Porterfield, GA
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Porterfield, 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
Porterfield, GA
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Porterfield, 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).
Porterfield, Georgia, USA
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