September weather forecast
Needham, GA

The first month of the autumn, September, is also a hot month in Needham, Georgia, with temperature in the range of an average low of 69.8°F (21°C) and an average high of 86.4°F (30.2°C).

Temperature

In September, Needham experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 90.5°F (32.5°C) in August to a still hot 86.4°F (30.2°C). Throughout September, Needham's nights cool down to an average of 69.8°F (21°C).

Heat index

The heat index for September is calculated to be a sweltering 98.6°F (37°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. With 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 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception 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 particularly meaningful for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Needham, in September, it is raining for 12.9 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 139 rainfall days, and 15.12" (384mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 7:06 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:15 pm EDT.

Sunshine

In Needham, the average sunshine in September is 8.6h.

UV index

In Needham, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, a regular UV index of 6 translates into these guidelines:
Stay clear of intense sun exposure. Solar protection is of utmost significance. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.