Hollow Hills
Georgia, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Hollow Hills, GA

The first month of the autumn, September, is also a moderately hot month in Hollow Hills, Georgia, with average temperature varying between 84.4°F (29.1°C) and 64.8°F (18.2°C).

Temperature

In September, the average high-temperature is almost the same as in August - a warm 84.4°F (29.1°C). In September, the average low-temperature is 64.8°F (18.2°C).

Heat index

In September, the average heat index is calculated to a hot 92.3°F (33.5°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air 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 (metabolic differences, wind, clothing). 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity in Hollow Hills, Georgia, is 73%.

Rainfall

In September, in Hollow Hills, the rain falls for 13.6 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In Hollow Hills, during the entire year, the rain falls for 179.3 days and collects up to 39.84" (1012mm) of precipitation.

Snowfall

In Hollow Hills, Georgia, snow does not fall in April through November.

Daylight

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

Sunshine

The average sunshine in September is 8.6h.

UV index

In Hollow Hills, Georgia, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. 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 Hollow Hills?

The average high-temperature, in September, is 84.4°F (29.1°C), while the average low-temperature is 64.8°F (18.2°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines relative humidity and air temperature, is evaluated at 92.3°F (33.5°C).

What is the average humidity in September in Hollow Hills?

In Hollow Hills, Georgia, the average relative humidity in September is 73%.

How much does it rain in Hollow Hills in September?

In September, in Hollow Hills, the rain falls for 13.6 days. Throughout September, 2.24" (57mm) of precipitation is accumulated.

When it does not snow in Hollow Hills?

April through November are months without snowfall in Hollow Hills, Georgia.

What is the average length of the day in September in Hollow Hills?

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

How long on average sun shines in September in Hollow Hills?

In September, the average sunshine in Hollow Hills is 8.6h.

How high is the UV index in September in Hollow Hills?

In September, the average daily maximum UV index in Hollow Hills, Georgia, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in September - Hollow Hills, GA
  • Average high temperature in September: 84.4°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in September: 64.8°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

Average humidity in September - Hollow Hills, GA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (77%).
Months with the lowest relative humidity are July, October and November (72%).

Average rainfall in September - Hollow Hills, GA
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is August (4.96").
The driest month (with the least rainfall) is October (2.2").

Average rainfall days in September - Hollow Hills, GA
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is October (9.3 days).

Average snowfall in September - Hollow Hills, GA
  • Average snowfall in September: 0"

Months with the highest snowfall are January and December (0.35").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September - Hollow Hills, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.8 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 - Hollow Hills, 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: 10h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.2h).

Average UV index in September - Hollow Hills, GA
  • Average UV index in September: 5

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