September weather forecast
Waltertown, GA

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Weather in September

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

Temperature

With September's arrival, Waltertown's weather records an average high-temperature of a still hot 86.4°F (30.2°C), marking little difference from August's 90.5°F (32.5°C). Waltertown's average low-temperature in the month of September is recorded at an agreeable 69.8°F (21°C).

Heat index

September's heat index is computed to be a torrid 98.6°F (37°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 12.9 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. In Waltertown, Georgia, during the entire year, the rain falls for 139 days and collects up to 15.12" (384mm) of precipitation.

Daylight

The average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 7:05 am and sunset at 7:52 pm. On the last day of September, in Waltertown, sunrise is at 7:23 am and sunset at 7:15 pm EDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Waltertown, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 6 during September, leads to the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Waltertown?

In Waltertown, 86.4°F (30.2°C) is the average high-temperature and 69.8°F (21°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 98.6°F (37°C).

What is the average humidity in September in Waltertown?

The average relative humidity in September is 77%.

How many days does it rain in September in Waltertown?

In Waltertown, during September, the rain falls for 12.9 days and regularly aggregates up to 1.1" (28mm) of precipitation.

How many hours of daylight does Waltertown have in September?

In September, the average day length in Waltertown, Georgia, is 12h and 21min.

When are sunrise and sunset in September in Waltertown?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 7:52 pm. On the last day of the month, in Waltertown, sunrise is at 7:23 am and sunset at 7:15 pm EDT.

How many hours of sunshine does Waltertown have in September?

The average sunshine duration in September in Waltertown is 8.6h.

What is the UV index intensity in September in Waltertown?

The average daily maximum UV index in September in Waltertown is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Waltertown, GA

Average temperature in September - Waltertown, GA
  • Average high temperature in September: 86.4°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in September: 69.8°F

The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

Average pressure in September
Waltertown, GA

Average pressure in September - Waltertown, GA
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in September
Waltertown, GA

Average wind speed in September - Waltertown, GA
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Waltertown, GA

Average humidity in September - Waltertown, GA
  • Average humidity in September: 77%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).

Average rainfall in September
Waltertown, GA

Average rainfall in September - Waltertown, GA
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in September
Waltertown, GA

Average rainfall days in September - Waltertown, GA
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is November (6.2 days).

Average daylight in September /
Average sunshine in September
Waltertown, GA

Average daylight in September / Average sunshine in September - Waltertown, GA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in September
Waltertown, GA

Average sunshine days in September - Waltertown, GA
  • Average sunshine days in September: 12.2 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (7.8 days).

Average UV index in September
Waltertown, GA

Average UV index in September - Waltertown, GA
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in September
Waltertown, GA

Average cloud cover in September - Waltertown, GA
  • Average cloud cover in September: 33

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in September
Waltertown, GA

Average visibility in September - Waltertown, GA
  • Average visibility in September: 6mi

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

Waltertown, Georgia, USA

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