September weather forecast
Smithville, GA

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Weather in September

The first month of the autumn, September, is still a warm month in Smithville, Georgia, with an average temperature fluctuating between 84.9°F (29.4°C) and 68°F (20°C).

Temperature

September's arrival shows an average high-temperature of a moderately hot 84.9°F (29.4°C), hardly different from the previous month. During the month of September, Smithville's nighttime temperature lowers to an average of 68°F (20°C).

Heat index

During September, the heat index is calculated to be a hot 93.2°F (34°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Smithville, the average relative humidity in September is 74%.

Rainfall

In Smithville, during September, the rain falls for 12.5 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Smithville, during the entire year, the rain falls for 145.8 days and collects up to 17.52" (445mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

In Smithville, the average length of the day in September is 12h and 21min.
On the first day of September, sunrise is at 7:12 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:22 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Smithville, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 6 suggests this advice:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

The high-temperature during September is 84.9°F (29.4°C) and the low-temperature is 68°F (20°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 93.2°F (34°C).

What is the average humidity in September in Smithville?

In September, the average relative humidity is 74%.

How much does it rain in September?

In Smithville, during September, the rain falls for 12.5 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow?

In Smithville, snow does not fall in January, March through December.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:12 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:22 pm EDT.

How long on average sun shines in September?

In Smithville, the average sunshine duration in September is 8.7h.

How high is the UV index in September?

In Smithville, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Smithville, GA

Average temperature in September - Smithville, GA
  • Average high temperature in September: 84.9°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 (56.3°F).

  • Average low temperature in September: 68°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in September
Smithville, GA

Average pressure in September - Smithville, GA
  • Average pressure in September: 30"Hg

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

Average wind speed in September
Smithville, GA

Average wind speed in September - Smithville, GA
  • Average wind speed in September: 6.1mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in September
Smithville, GA

Average humidity in September - Smithville, GA
  • Average humidity in September: 74%

The months with the highest relative humidity are August and December (75%).
The months with the lowest relative humidity are October and November (69%).

Average rainfall in September
Smithville, GA

Average rainfall in September - Smithville, GA
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is November (1.02").

Average rainfall days in September
Smithville, GA

Average rainfall days in September - Smithville, GA
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is October (7.2 days).

Average snowfall in September
Smithville, GA

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

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Smithville, GA

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

The months with the highest number of snowfall days are February and March (0.1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in September / Average sunshine in September - Smithville, 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 6min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in September
Smithville, GA

Average sunshine days in September - Smithville, GA
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September
Smithville, GA

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

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

Average cloud cover in September
Smithville, GA

Average cloud cover in September - Smithville, GA
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in September
Smithville, GA

Average visibility in September - Smithville, 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).

Smithville, Georgia, USA

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