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

September weather forecast and climate
Gilleland, GA

September, the first month of the autumn, in Gilleland, is also a moderately hot month, with average temperature fluctuating between 62.6°F (17°C) and 82.8°F (28.2°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a warm 82.8°F (28.2°C). The average low-temperature, in Gilleland, is 62.6°F (17°C).

Heat index

In September, the average heat index is appraised at a hot 88.9°F (31.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
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 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, metabolic differences, differences in body mass, height, and shape, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

The average relative humidity in Gilleland is 74%.

Rainfall

In September, in Gilleland, the rain falls for 13.4 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Gilleland, there are 181.4 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Gilleland.

Daylight

In Gilleland, the average length of the day is 12.4h.

Sunshine

In Gilleland, the average sunshine is 8.5h.

UV index

In Gilleland, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Gilleland?

In September, in Gilleland, Georgia, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 62.6°F (17°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines relative humidity and air temperature, in September is estimated at 88.9°F (31.6°C).

What is the average humidity in September in Gilleland?

In September, the average relative humidity in Gilleland, Georgia, is 74%.

How much does it rain in Gilleland in September?

In Gilleland, in September, it is raining for 13.4 days, with typically 2.52" (64mm) of accumulated precipitation.

When it does not snow in Gilleland?

In Gilleland snow does not fall in April through October.

How many hours of daylight does Gilleland have in September?

The average length of the day in September in Gilleland is 12.4h.

How long on average sun shines in September in Gilleland?

The average sunshine in September in Gilleland is 8.5h.

What is the UV index reading in September in Gilleland?

In Gilleland, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in September - Gilleland, GA
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.6°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average humidity in September - Gilleland, GA
  • Average humidity in September: 74%

The month with the highest relative humidity is December (78%).
Months with the lowest relative humidity are July, August, October and November (73%).

Average rainfall in September - Gilleland, GA
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is October (2.36").

Average rainfall days in September - Gilleland, GA
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is October (10.1 days).

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

The month with the highest snowfall is December (1.54").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is February (1.7 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 8.5h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.2h).

Average UV index in September - Gilleland, GA
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).