Halcyondale
Georgia, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Halcyondale, GA

The first month of the autumn, September, is still a warm month in Halcyondale, Georgia, with temperature in the range of an average low of 68.2°F (20.1°C) and an average high of 84.7°F (29.3°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a moderately hot 84.7°F (29.3°C). In Halcyondale, the average low-temperature is 68.2°F (20.1°C).

Heat index

In September, the average heat index is estimated at a tropical 94.8°F (34.9°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, clothing, metabolic differences). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Halcyondale, Georgia, the average relative humidity in September is 77%.

Rainfall

In Halcyondale, Georgia, during 13.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Halcyondale, Georgia, during the entire year, the rain falls for 140.8 days and collects up to 17.09" (434mm) of precipitation.

Snowfall

In Halcyondale, Georgia, snow does not fall in March through December.

Daylight

The average length of the day in Halcyondale is 12.4h.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index in Halcyondale, Georgia, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Halcyondale?

The average high-temperature, in September, in Halcyondale, Georgia, is 84.7°F (29.3°C), while the average low-temperature is 68.2°F (20.1°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines relative humidity and air temperature, is calculated to 94.8°F (34.9°C).

What is the average humidity in September in Halcyondale?

The average relative humidity in September is 77%.

How much does it rain in Halcyondale in September?

In Halcyondale, Georgia, in September, it is raining for 13.1 days, with typically 0.98" (25mm) of accumulated precipitation.

When it does not snow in Halcyondale?

March through December are months without snowfall.

How many hours of daylight does Halcyondale have in September?

In September, the average length of the day in Halcyondale, Georgia, is 12.4h.

How long on average sun shines in September in Halcyondale?

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

What is the UV index intensity in September in Halcyondale?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Halcyondale, GA
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in September: 68.2°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

Average humidity in September - Halcyondale, GA
  • Average humidity in September: 77%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).

Average rainfall in September - Halcyondale, GA
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is November (0.75").

Average rainfall days in September - Halcyondale, GA
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (5.8 days).

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

Months with the highest snowfall are January and February (0.04").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September / Average sunshine in September - Halcyondale, GA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in September: 8.5h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 5.4h).

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January and December (UV index 3).