September weather forecast
Viviani, GA

The first month of the autumn, September, is still a tropical month in Viviani, Georgia, with an average temperature fluctuating between 69.8°F (21°C) and 86.4°F (30.2°C).

Temperature

The introduction of September sees an average high-temperature of a still tropical 86.4°F (30.2°C), hardly deviating from August. During September nights, Viviani records an average temperature of 69.8°F (21°C).

Heat index

In September, the average heat index is evaluated at a fiery hot 98.6°F (37°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

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

Rainfall

In Viviani, during September, the rain falls for 12.9 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Viviani, there are 139 rainfall days, and 15.12" (384mm) of precipitation is accumulated.

Daylight

In Viviani, the average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 7:06 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:16 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In Viviani, Georgia, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.