September weather forecast
Piney Knoll, GA

Share

Weather in September

September, the first month of the autumn in Piney Knoll, is also a moderately hot month, with an average temperature varying between 65.1°F (18.4°C) and 83.7°F (28.7°C).

Temperature

The arrival of September sees an average high-temperature of a warm 83.7°F (28.7°C), hardly diverging from August's 88.5°F (31.4°C). Piney Knoll in September experiences a low-temperature average of 65.1°F (18.4°C).

Heat index

The heat index in September is calculated to be a tropical 91.4°F (33°C). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Piney Knoll, during September, the rain falls for 13.7 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Piney Knoll, during the entire year, the rain falls for 179.7 days and collects up to 39.76" (1010mm) of precipitation.

Snowfall

In Piney Knoll, snow does not fall in April through October.

Daylight

In Piney Knoll, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 7:12 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:23 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 during September translates into the following guidance:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

The average high-temperature and low-temperature during September are 83.7°F (28.7°C) and 65.1°F (18.4°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

What is the average humidity in September?

In Piney Knoll, the average relative humidity in September is 73%.

How much does it rain in September?

In September, the rain falls for 13.7 days. Throughout September, 2.76" (70mm) of precipitation is accumulated.

When it does not snow?

In Piney Knoll, snow does not fall in April through October.

What is the average length of the day in September?

In September, the average day length is 12h and 22min.

When is the sunrise / sunset in September?

On the first day of September in Piney Knoll, sunrise is at 7:12 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:23 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.6h.

When is the highest UV index?

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

How high is the UV index in September?

In Piney Knoll, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
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
Piney Knoll, GA

Average temperature in September - Piney Knoll, GA
  • Average high temperature in September: 83.7°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (51.6°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in September
Piney Knoll, GA

Average pressure in September - Piney Knoll, 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
Piney Knoll, GA

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

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in September
Piney Knoll, GA

Average humidity in September - Piney Knoll, GA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).

Average rainfall in September
Piney Knoll, GA

Average rainfall in September - Piney Knoll, GA
  • Average rainfall in September: 2.76"

The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is October (2.13").

Average rainfall days in September
Piney Knoll, GA

Average rainfall days in September - Piney Knoll, GA
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is October (9.5 days).

Average snowfall in September
Piney Knoll, GA

Average snowfall in September - Piney Knoll, 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").

Average snowfall days in September
Piney Knoll, GA

Average snowfall days in September - Piney Knoll, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.9 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
Piney Knoll, GA

Average daylight in September / Average sunshine in September - Piney Knoll, 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 0min).

Average sunshine days in September
Piney Knoll, GA

Average sunshine days in September - Piney Knoll, GA
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (7 days).

Average UV index in September
Piney Knoll, GA

Average UV index in September - Piney Knoll, 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).

Average cloud cover in September
Piney Knoll, GA

Average cloud cover in September - Piney Knoll, GA
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June and October (Cloud cover 31).

Average visibility in September
Piney Knoll, GA

Average visibility in September - Piney Knoll, 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).

Piney Knoll, Georgia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location