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

September weather forecast and climate
Hayston, GA

September, the first month of the autumn, in Hayston, is still a warm month, with average temperature fluctuating between 84.7°F (29.3°C) and 64.9°F (18.3°C).

Temperature

In Hayston, the average high-temperature is practically the same as in August - a warm 84.7°F (29.3°C). In September, the average low-temperature is 64.9°F (18.3°C).

Heat index

In September, the average heat index is estimated at a hot 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, pregnancy, clothing), and activity. 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 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 is 73%.

Rainfall

In Hayston, during September, the rain falls for 10.2 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Hayston, during the entire year, the rain falls for 132.6 days and collects up to 14.41" (366mm) of precipitation.

Snowfall

In Hayston snow does not fall in March through December.

Daylight

The average length of the day in Hayston is 12.4h.

Sunshine

The average sunshine in Hayston, Georgia, is 8.6h.

UV index

In Hayston, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Hayston?

The average high-temperature, in September, in Hayston, Georgia, is 84.7°F (29.3°C), while the average low-temperature is 64.9°F (18.3°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), that represents influence of the relative humidity to air temperaure, is appraised at 93.2°F (34°C).

What is the average humidity in September in Hayston?

In Hayston, Georgia, the average relative humidity in September is 73%.

How many days does it rain in September in Hayston?

In Hayston, Georgia, in September, it is raining for 10.2 days, with typically 0.79" (20mm) of accumulated precipitation.

When it does not snow in Hayston?

March through December are months without snowfall in Hayston.

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

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

How long on average sun shines in September in Hayston?

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

What is the UV index intensity in September in Hayston?

In Hayston, Georgia, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Hayston, GA
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.6°F).

  • Average low temperature in September: 64.9°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).

Average humidity in September - Hayston, GA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (77%).
Months with the lowest relative humidity are October and November (72%).

Average rainfall in September - Hayston, GA
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is October (0.75").

Average rainfall days in September - Hayston, GA
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (6 days).

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

The month with the highest snowfall is January (0.08").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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

Months with the highest number of snowfall days are January and February (0.4 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).

Average daylight in September / Average sunshine in September - Hayston, 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: 10h).

  • 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: 5.1h).

Average UV index in September - Hayston, GA
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January and December (UV index 2).