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

September weather forecast and climate
Gwinnstone, GA

September, the first month of the autumn, in Gwinnstone, is still a warm month, with average temperature varying between 84°F (28.9°C) and 65.1°F (18.4°C).

Temperature

In September, the average high-temperature is almost the same as in August - a warm 84°F (28.9°C). In Gwinnstone, the average low-temperature is 65.1°F (18.4°C).

Heat index

In September, the average heat index is evaluated at a tropical 90.9°F (32.7°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
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 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like pregnancy, clothing, differences in body mass, height, and shape, and activity influence one's weather impression. 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 Gwinnstone is 71%.

Rainfall

In September, the rain falls for 11.5 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. In Gwinnstone, during the entire year, the rain falls for 158.9 days and collects up to 27.32" (694mm) of precipitation.

Snowfall

In Gwinnstone snow does not fall in April through October.

Daylight

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

Sunshine

In September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index in Gwinnstone, Georgia, is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Gwinnstone?

In Gwinnstone, Georgia, in September, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 65.1°F (18.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), that represents influence of the relative humidity to air temperaure, in September is appraised at 90.9°F (32.7°C).

What is the average humidity in September in Gwinnstone?

In Gwinnstone, the average relative humidity in September is 71%.

How much does it rain in Gwinnstone in September?

In Gwinnstone, Georgia, during September, the rain falls for 11.5 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow in Gwinnstone?

In Gwinnstone, Georgia, snow does not fall in April through October.

What is the average length of the day in September in Gwinnstone?

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

How many hours of sunshine does Gwinnstone have in September?

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

What is the UV index intensity in September in Gwinnstone?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Gwinnstone, GA
  • Average high temperature in September: 84°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.8°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

Average humidity in September - Gwinnstone, GA
  • Average humidity in September: 71%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

Average rainfall in September - Gwinnstone, GA
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is October (1.46").

Average rainfall days in September - Gwinnstone, GA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (18.8 days).
Months with the least rainy days are October and November (9.4 days).

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

The month with the highest snowfall is February (0.43").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

Months with the highest number of snowfall days are January and February (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 - Gwinnstone, 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: 8.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5h).

Average UV index in September - Gwinnstone, 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).