nomadseason

September Weather in Augusta, United States

Last updated: June 24, 2025

In September, the average temperature in Augusta, United States is a pleasant 20°C (68°F). However, be prepared for a range, as temperatures can dip to a chilly 2°C (36°F) or soar up to a sweltering 34°C (94°F). Expect about 110 mm (4.3 in) of precipitation over 9 days, contributing to an average humidity of 68%. Whether you enjoy the warmth or the occasional rain, Augusta has something for everyone!

September Temperature in Augusta

In September in Augusta, the average temperature is 20°C (68°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 2°C (36°F). This diverse range of temperatures makes it advisable to pack both light clothing for warm days and warmer layers for cooler nights when traveling.

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 20°C (68°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843536371777468584337
Data source: Temperature data for Augusta generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Augusta

In Augusta in September, the precipitation amount is 110 mm (4.3 in) over the course of 9 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 110 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec57897794116867679110966185
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Augusta

In Augusta in September humidity is 68%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls while also prompting travelers to stay hydrated and seek out refreshing breaks from the heat.

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 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101010108753
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)57 mm (2.3 inches)86%moderate
February Weather3°C (38°F)89 mm (3.5 inches)86%moderate
March Weather6°C (43°F)77 mm (3.0 inches)86%high
April Weather12°C (53°F)94 mm (3.7 inches)84%very high
May Weather17°C (63°F)116 mm (4.6 inches)78%very high
June Weather22°C (71°F)86 mm (3.4 inches)79%very high
July Weather25°C (77°F)76 mm (3.0 inches)70%very high
August Weather23°C (74°F)79 mm (3.1 inches)59%very high
September Weather20°C (68°F)110 mm (4.3 inches)68%very high
October Weather14°C (58°F)96 mm (3.8 inches)80%high
November Weather6°C (43°F)61 mm (2.4 inches)86%moderate
December Weather3°C (38°F)85 mm (3.3 inches)85%moderate

Compare Augusta's Climate with Cities Worldwide