Click on a day for an hourly weather forecast
The temperatures in Augusta in September are comfortable with low of 11°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Augusta during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Augusta in September 2025.
If you’re planning to visit Augusta in the near future, we highly recommend that you review the 14 day weather forecast for Augusta before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -10° | 5 | 13 | 13 | 122 mm | Awful | Augusta in January |
| February | -2° / -9° | 5 | 9 | 14 | 122 mm | Awful | Augusta in February |
| March | 3° / -5° | 9 | 11 | 11 | 127 mm | Awful | Augusta in March |
| April | 10° / 1° | 8 | 18 | 4 | 143 mm | Awful | Augusta in April |
| May | 17° / 7° | 8 | 23 | 0 | 123 mm | Ok | Augusta in May |
| June | 21° / 11° | 8 | 22 | 0 | 139 mm | Ok | Augusta in June |
| July | 25° / 14° | 6 | 25 | 0 | 105 mm | Perfect | Augusta in July |
| August | 25° / 14° | 5 | 26 | 0 | 119 mm | Perfect | Augusta in August |
| September | 21° / 11° | 5 | 25 | 0 | 89 mm | Good | Augusta in September |
| October | 14° / 6° | 7 | 23 | 1 | 154 mm | Ok | Augusta in October |
| November | 7° / 0° | 6 | 19 | 5 | 124 mm | Bad | Augusta in November |
| December | 1° / -5° | 8 | 13 | 10 | 164 mm | Awful | Augusta in December |