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The temperatures in Maryland in September are comfortable with low of 17°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Maryland 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 Maryland in September 2025.
If you’re planning to visit Maryland in the near future, we highly recommend that you review the 14 day weather forecast for Maryland before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -3° | 6 | 19 | 6 | 92 mm | Awful | Maryland in January |
| February | 6° / -1° | 7 | 16 | 6 | 112 mm | Awful | Maryland in February |
| March | 11° / 3° | 7 | 21 | 3 | 111 mm | Awful | Maryland in March |
| April | 17° / 8° | 7 | 23 | 0 | 113 mm | Ok | Maryland in April |
| May | 22° / 13° | 9 | 22 | 0 | 157 mm | Ok | Maryland in May |
| June | 27° / 18° | 7 | 23 | 0 | 155 mm | Good | Maryland in June |
| July | 30° / 21° | 8 | 23 | 0 | 184 mm | Ok | Maryland in July |
| August | 29° / 20° | 8 | 23 | 0 | 184 mm | Ok | Maryland in August |
| September | 26° / 17° | 6 | 24 | 0 | 142 mm | Perfect | Maryland in September |
| October | 19° / 11° | 5 | 26 | 0 | 135 mm | Good | Maryland in October |
| November | 12° / 5° | 5 | 25 | 0 | 88 mm | Ok | Maryland in November |
| December | 7° / 1° | 6 | 21 | 3 | 120 mm | Bad | Maryland in December |
For a more accurate weather forecast please select a city