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

September weather forecast and climate
Harrison, GA

The first month of the autumn, September, is also a moderately hot month in Harrison, Georgia, with average temperature ranging between max 85.1°F (29.5°C) and min 67.6°F (19.8°C).

Temperature

In September, the average high-temperature is almost the same as in August - a warm 85.1°F (29.5°C). In September, the average low-temperature is 67.6°F (19.8°C).

Heat index

In September, the average heat index is evaluated at a hot 94.5°F (34.7°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. 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', 'apparent temperature', 'felt air temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, differences in body mass, height, and shape), and activity. 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 is 74%.

Rainfall

In Harrison, during September, the rain falls for 14.2 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Harrison, there are 173 rainfall days, and 34.33" (872mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

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

Sunshine

The average sunshine in Harrison is 8.7h.

UV index

In September, the average daily maximum UV index in Harrison is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 Harrison?

The average high-temperature, in September, in Harrison, Georgia, is 85.1°F (29.5°C), while the average low-temperature is 67.6°F (19.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, in September is appraised at 94.5°F (34.7°C).

What is the average humidity in September in Harrison?

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

How many days does it rain in September in Harrison?

In Harrison, in September, it is raining for 14.2 days, with typically 2.09" (53mm) of accumulated precipitation.

When it does not snow in Harrison?

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

How many hours of daylight does Harrison have in September?

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

How many hours of sunshine does Harrison have in September?

In September, the average sunshine in Harrison is 8.7h.

What is the UV index intensity in September in Harrison?

In Harrison, Georgia, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in September - Harrison, GA
  • Average high temperature in September: 85.1°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in September: 67.6°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39°F).

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

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is November (71%).

Average rainfall in September - Harrison, GA
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is December (3.9").
The driest month (with the least rainfall) is October (1.97").

Average rainfall days in September - Harrison, GA
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is August (20.9 days).
The month with the least rainy days is November (8.5 days).

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

The month with the highest snowfall is February (0.08").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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

The month with the highest number of snowfall days is January (0.4 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September / Average sunshine in September - Harrison, 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: 8.7h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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

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