Click on a day for an hourly weather forecast
The temperatures in Fredericksburg in September are comfortable with low of 16°C and and high up to 27°C.
You can expect about 3 to 8 days of rain in Fredericksburg 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 Fredericksburg in September 2025.
If you’re planning to visit Fredericksburg in the near future, we highly recommend that you review the 14 day weather forecast for Fredericksburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / -2° | 6 | 19 | 6 | 108 mm | Awful | Fredericksburg in January |
| February | 8° / -1° | 7 | 16 | 5 | 120 mm | Awful | Fredericksburg in February |
| March | 13° / 3° | 8 | 20 | 3 | 140 mm | Awful | Fredericksburg in March |
| April | 19° / 8° | 7 | 22 | 0 | 131 mm | Ok | Fredericksburg in April |
| May | 25° / 14° | 8 | 23 | 0 | 162 mm | Good | Fredericksburg in May |
| June | 30° / 18° | 7 | 23 | 0 | 145 mm | Ok | Fredericksburg in June |
| July | 32° / 20° | 7 | 24 | 0 | 153 mm | Ok | Fredericksburg in July |
| August | 31° / 20° | 7 | 24 | 0 | 161 mm | Ok | Fredericksburg in August |
| September | 27° / 16° | 6 | 24 | 0 | 126 mm | Perfect | Fredericksburg in September |
| October | 21° / 11° | 6 | 25 | 0 | 136 mm | Good | Fredericksburg in October |
| November | 13° / 4° | 5 | 25 | 0 | 102 mm | Ok | Fredericksburg in November |
| December | 9° / 1° | 6 | 22 | 3 | 132 mm | Bad | Fredericksburg in December |