September weather forecast and climate
Foster Hills, GA

The first month of the autumn, September, is also a moderately hot month in Foster Hills, Georgia, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 82.6°F (28.1°C).

Temperature

In Foster Hills, Georgia, the average high-temperature in September marginally drops, from a hot 88°F (31.1°C) in August, to a warm 82.6°F (28.1°C). The average low-temperature, in September, is 61.3°F (16.3°C).

Heat index

The average heat index is evaluated at a tropical 88.9°F (31.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
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', 'felt air temperature', 'feels like', or 'real feel', 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 (clothing, differences in body mass, height, and shape, wind), 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 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

The average relative humidity is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.2 days and accumulates 2.52" (64mm) of precipitation.

Snowfall

May through October are months without snowfall in Foster Hills.

Daylight

The average length of the day in Foster Hills is 12.4h.

Sunshine

The average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Foster Hills?

The average high-temperature, in September, is 82.6°F (28.1°C), while the average low-temperature is 61.3°F (16.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines relative humidity and air temperature, in September is estimated at 88.9°F (31.6°C).

What is the average humidity in September in Foster Hills?

In September, the average relative humidity in Foster Hills is 75%.

How many days does it rain in September in Foster Hills?

In Foster Hills, during September, the rain falls for 13.2 days and regularly aggregates up to 2.52" (64mm) of precipitation.

What is the driest month in Foster Hills?

The month with the least rainfall in Foster Hills is September when the rain falls for 13.2 days and typically collects 2.52" (64mm) of precipitation.

When it does not snow in Foster Hills?

May through October are months without snowfall in Foster Hills, Georgia.

How many hours of daylight does Foster Hills have in September?

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

How many hours of sunshine does Foster Hills have in September?

In Foster Hills, Georgia, the average sunshine in September is 8.6h.

What is the UV index intensity in September in Foster Hills?

In September, the average daily maximum UV index in Foster Hills is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Foster Hills, GA
  • Average high temperature in September: 82.6°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).

Average pressure in September - Foster Hills, GA
  • Average pressure in September: 30.03"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in September - Foster Hills, GA
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).

Average humidity in September - Foster Hills, GA
  • Average humidity in September: 75%

The month with the highest relative humidity is December (80%).
Months with the lowest relative humidity are August, October and November (74%).

Average rainfall in September - Foster Hills, GA
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is July (4.06").
The driest month (with the least rainfall) is September (2.52").

Average rainfall days in September - Foster Hills, GA
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in September - Foster Hills, GA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.98").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September - Foster Hills, GA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.6 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Foster Hills, GA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 5h).

Average sunshine days in September - Foster Hills, GA
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.4 days).

Average UV index in September - Foster Hills, 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).

Average cloud cover in September - Foster Hills, GA
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September - Foster Hills, GA
  • Average visibility in September: 6mi

Months with the highest visibility are April, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February, March, May and December (5mi).