September weather forecast
Jonesboro, GA

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Weather in September

September, the first month of the autumn in Jonesboro, is still a warm month, with an average temperature ranging between min 65.7°F (18.7°C) and max 83.8°F (28.8°C).

Temperature

The onset of September brings an average high-temperature of a warm 83.8°F (28.8°C), nearly matching the August temperature. In Jonesboro, the September nights cool down to an average low of 65.7°F (18.7°C).

Heat index

Throughout September, the heat index is computed to be a tropical 91.4°F (33°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
In reference to the heat index, it's for places in shade and with a slight wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In September, the average relative humidity is 72%.

Rainfall

In September, in Jonesboro, the rain falls for 13.3 days. Throughout September, 2.72" (69mm) of precipitation is accumulated. In Jonesboro, during the entire year, the rain falls for 181.2 days and collects up to 41.06" (1043mm) of precipitation.

Snowfall

In Jonesboro, snow does not fall in April through October.

Daylight

In Jonesboro, Georgia, the average length of the day in September 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, sunrise is at 7:31 am and sunset at 7:22 pm EDT.

Sunshine

In September, the average sunshine in Jonesboro is 8.5h.

UV index

The months with the highest UV index in Jonesboro, Georgia, are May through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

How hot is it in Jonesboro in September?

The high-temperature during September is 83.8°F (28.8°C) and the low-temperature is 65.7°F (18.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 91.4°F (33°C).

What is the average humidity in September in Jonesboro?

The average relative humidity in September in Jonesboro is 72%.

How many days does it rain in September in Jonesboro?

In Jonesboro, in September, it is raining for 13.3 days, with typically 2.72" (69mm) of accumulated precipitation.

When it does not snow in Jonesboro?

In Jonesboro, Georgia, snow does not fall in April through October.

What is the average length of the day in September in Jonesboro?

The average day length in September is 12h and 22min.

When is the sunrise / sunset in September in Jonesboro?

On the first day of September in Jonesboro, sunrise is at 7:11 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:22 pm EDT.

How long on average sun shines in September in Jonesboro?

In September, the average sunshine duration in Jonesboro, Georgia, is 8.5h.

What are the months with the highest UV index in Jonesboro?

The months with the highest UV index in Jonesboro, Georgia, are May through September, with an average maximum UV index of 6.

What is the UV index intensity in September in Jonesboro?

In Jonesboro, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Jonesboro, GA

Average temperature in September - Jonesboro, GA
  • Average high temperature in September: 83.8°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.3°F).

  • Average low temperature in September: 65.7°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).

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Average pressure in September
Jonesboro, GA

Average pressure in September - Jonesboro, 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).

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Average wind speed in September
Jonesboro, GA

Average wind speed in September - Jonesboro, GA
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in September
Jonesboro, GA

Average humidity in September - Jonesboro, GA
  • Average humidity in September: 72%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Jonesboro, GA

Average rainfall in September - Jonesboro, GA
  • Average rainfall in September: 2.72"

The wettest month (with the highest rainfall) is August (5.43").
The driest month (with the least rainfall) is October (2.17").

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Average rainfall days in September
Jonesboro, GA

Average rainfall days in September - Jonesboro, GA
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (9.6 days).

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Average snowfall in September
Jonesboro, GA

Average snowfall in September - Jonesboro, GA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Jonesboro, GA

Average snowfall days in September - Jonesboro, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Jonesboro, GA

Average daylight in September / Average sunshine in September - Jonesboro, 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 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in September
Jonesboro, GA

Average sunshine days in September - Jonesboro, GA
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (7.2 days).

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Average UV index in September
Jonesboro, GA

Average UV index in September - Jonesboro, GA
  • Average UV index in September: 6

The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in September
Jonesboro, GA

Average cloud cover in September - Jonesboro, GA
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are June and October (Cloud cover 31).

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Average visibility in September
Jonesboro, GA

Average visibility in September - Jonesboro, 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).

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Jonesboro, Georgia, USA

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