September Weather in Augusta, United States

Last updated: June 24, 2025

In September, the average temperature in Augusta, United States hovers around 24°C (76°F). Expect a minimum of 9°C (48°F) and a steamy maximum of 36°C (97°F). During this time, precipitation averages 83 mm (3.3 in) over about 6 days, while the average humidity sits at a comfortable 71%.

September Temperature in Augusta

In September in Augusta, the average temperature is 24°C (76°F). Maximum can reach 36°C (97°F), and minimum can be as low as 9°C (48°F). This makes Augusta a great destination for travelers looking to enjoy mild weather with the possibility of warm days and cooler evenings.

September Weather in Augusta: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Augusta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Augusta, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (48°F).

Data source: Temperature data for Augusta generated using information from the Copernicus Climate Change Service.

September Precipitation in Augusta

In Augusta in September, the precipitation amount is 83 mm (3.3 in) over the course of 6 days.

September Precipitation Trends in Augusta

The chart displays monthly precipitation patterns in Augusta, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Augusta, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Augusta

In Augusta in September humidity is 71%. With an average temperature of 24°C (76°F), this humidity feels like a warm, tropical embrace, making it essential to stay hydrated while exploring, as the air is thick and can leave you feeling sticky and slightly tired after even short excursions.

September Average Humidity in Augusta

This chart illustrates the average monthly humidity levels in Augusta, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Augusta is approximately 71%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Augusta

In Augusta in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Augusta.

Maximum UV Index Levels in Augusta for September

The chart shows the monthly maximum UV Index (UVI) for Augusta in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Augusta typically reaches 9, which falls under the very high exposure category.

Data source: Augusta September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Augusta Compares to Other Months

Weather in Augusta varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Augusta, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Augusta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	96 mm (3.8 inches)	84%	moderate
February Weather	7°C (45°F)	161 mm (6.3 inches)	83%	high
March Weather	13°C (55°F)	154 mm (6.0 inches)	81%	very high
April Weather	16°C (61°F)	147 mm (5.8 inches)	81%	very high
May Weather	22°C (72°F)	163 mm (6.4 inches)	83%	extreme
June Weather	26°C (79°F)	96 mm (3.8 inches)	83%	extreme
July Weather	28°C (82°F)	105 mm (4.1 inches)	81%	extreme
August Weather	27°C (80°F)	105 mm (4.2 inches)	74%	very high
September Weather	24°C (76°F)	83 mm (3.3 inches)	71%	very high
October Weather	18°C (64°F)	124 mm (4.9 inches)	76%	high
November Weather	10°C (51°F)	74 mm (2.9 inches)	84%	moderate
December Weather	8°C (47°F)	139 mm (5.5 inches)	88%	moderate