September weather forecast
Hamilton, GA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Hamilton, Georgia, with an average temperature fluctuating between 84.7°F (29.3°C) and 66.4°F (19.1°C).

Temperature

At the onset of September, Hamilton records an average high-temperature of a warm 84.7°F (29.3°C), showing little deviation from the preceding month. The temperature in Hamilton dips to an average of 66.4°F (19.1°C) during September nights.

Heat index

The heat index for September is estimated at a tropical 93.2°F (34°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Hamilton, during September, the rain falls for 12.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Hamilton, during the entire year, the rain falls for 153 days and collects up to 22.56" (573mm) of precipitation.

Snowfall

In Hamilton, snow does not fall in April through December.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September in Hamilton, Georgia, sunrise is at 7:14 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:25 pm EDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Hamilton, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 6 in September translates into this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

During September, Hamilton experiences an average high-temperature of 84.7°F (29.3°C) and a low-temperature of 66.4°F (19.1°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 93.2°F (34°C).

What is the average humidity in September?

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

How much does it rain in September?

In September, the rain falls for 12.8 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

When it does not snow?

April through December are months without snowfall.

How many hours of daylight does Hamilton have in September?

The average day length in September is 12h and 22min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:14 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:25 pm EDT.

How long on average sun shines in September?

In Hamilton, the average sunshine duration in September is 8.6h.

What is the UV index reading in September?

In Hamilton, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hamilton, GA

Average temperature in September - Hamilton, GA
  • Average high temperature in September: 84.7°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 (53.2°F).

  • Average low temperature in September: 66.4°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 (37.4°F).

Average pressure in September
Hamilton, GA

Average pressure in September - Hamilton, GA
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Hamilton, GA

Average wind speed in September - Hamilton, GA
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Hamilton, GA

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

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

Average rainfall in September
Hamilton, GA

Average rainfall in September - Hamilton, GA
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is August (3.27").
The driest months (with the least rainfall) are January and November (1.14").

Average rainfall days in September
Hamilton, GA

Average rainfall days in September - Hamilton, GA
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in September
Hamilton, GA

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

The month with the highest snowfall is March (0.2").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Hamilton, GA

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

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Hamilton, GA

Average sunshine days in September - Hamilton, GA
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in September
Hamilton, GA

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

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Hamilton, GA

Average cloud cover in September - Hamilton, GA
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and October (Cloud cover 31).

Average visibility in September
Hamilton, GA

Average visibility in September - Hamilton, 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).

Hamilton, Georgia, USA

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