The highest day temperature in September 2025 was 88°F. The lowest night temperature was 73°F. The average values for day and night temperatures during September were 81.9°F и 77.8°F respectivly.

The average sea surface temperature in September 2025 for Augusta was 82.8°F. The maximum and minimum values were 80.0°F and 83.8°F respectively.

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation total in September for Augusta is 0.6 in.

The average wind speed in September is 5.7 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Augusta in September is 9.3 hours.