Click on a day for an hourly weather forecast
The temperatures in Poughkeepsie in September are comfortable with low of 12°C and and high up to 24°C.
You can expect about 3 to 8 days of rain in Poughkeepsie 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 Poughkeepsie in September 2025.
If you’re planning to visit Poughkeepsie in the near future, we highly recommend that you review the 14 day weather forecast for Poughkeepsie before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -7° | 7 | 13 | 11 | 97 mm | Awful | Poughkeepsie in January |
| February | 2° / -7° | 8 | 8 | 13 | 113 mm | Awful | Poughkeepsie in February |
| March | 7° / -2° | 8 | 15 | 8 | 128 mm | Awful | Poughkeepsie in March |
| April | 14° / 3° | 8 | 20 | 2 | 126 mm | Bad | Poughkeepsie in April |
| May | 21° / 9° | 8 | 23 | 0 | 126 mm | Ok | Poughkeepsie in May |
| June | 26° / 13° | 7 | 23 | 0 | 125 mm | Good | Poughkeepsie in June |
| July | 29° / 16° | 8 | 23 | 0 | 137 mm | Ok | Poughkeepsie in July |
| August | 28° / 16° | 6 | 25 | 0 | 133 mm | Perfect | Poughkeepsie in August |
| September | 24° / 12° | 6 | 24 | 0 | 106 mm | Perfect | Poughkeepsie in September |
| October | 17° / 7° | 6 | 25 | 0 | 138 mm | Good | Poughkeepsie in October |
| November | 10° / 1° | 6 | 21 | 2 | 101 mm | Bad | Poughkeepsie in November |
| December | 4° / -3° | 8 | 14 | 8 | 130 mm | Awful | Poughkeepsie in December |