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

September weather forecast and climate
Gloster, GA

The first month of the autumn, September, is also a moderately hot month in Gloster, Georgia, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 84°F (28.9°C).

Temperature

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

Heat index

In September, the average heat index is calculated to a hot 90.9°F (32.7°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. 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 a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, wind, metabolic differences, and pregnancy affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Gloster, Georgia, in September, during 11.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Gloster, there are 158.9 rainfall days, and 27.32" (694mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Gloster, Georgia, the average length of the day is 12.4h.

Sunshine

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

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Gloster?

The average high-temperature, in September, in Gloster, Georgia, is 84°F (28.9°C), while the average low-temperature is 65.1°F (18.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that combines both air temperature and relative humidity, in September is calculated to 90.9°F (32.7°C).

What is the average humidity in September in Gloster?

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

How much does it rain in Gloster in September?

In Gloster, 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 Gloster?

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

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

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

How long on average sun shines in September in Gloster?

The average sunshine in September is 8.6h.

How high is the UV index in September in Gloster?

The average daily maximum UV index in September in Gloster is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in September - Gloster, 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 - Gloster, 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 - Gloster, 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 - Gloster, 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 - Gloster, 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 - Gloster, 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 - Gloster, 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 - Gloster, 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).