Click on a day for an hourly weather forecast
The temperatures in Wilkes Barre in September are comfortable with low of 10°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Wilkes Barre 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 Wilkes Barre in September 2025.
If you’re planning to visit Wilkes Barre in the near future, we highly recommend that you review the 14 day weather forecast for Wilkes Barre before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -8° | 7 | 7 | 17 | 56 mm | Awful | Wilkes Barre in January |
| February | 2° / -8° | 7 | 7 | 15 | 69 mm | Awful | Wilkes Barre in February |
| March | 7° / -3° | 8 | 13 | 10 | 75 mm | Awful | Wilkes Barre in March |
| April | 13° / 2° | 8 | 19 | 3 | 81 mm | Awful | Wilkes Barre in April |
| May | 21° / 8° | 6 | 24 | 0 | 91 mm | Good | Wilkes Barre in May |
| June | 25° / 11° | 5 | 25 | 0 | 84 mm | Perfect | Wilkes Barre in June |
| July | 28° / 14° | 5 | 26 | 0 | 89 mm | Perfect | Wilkes Barre in July |
| August | 27° / 13° | 5 | 26 | 0 | 89 mm | Perfect | Wilkes Barre in August |
| September | 23° / 10° | 4 | 26 | 0 | 63 mm | Perfect | Wilkes Barre in September |
| October | 16° / 5° | 5 | 26 | 1 | 69 mm | Good | Wilkes Barre in October |
| November | 9° / -1° | 6 | 19 | 5 | 50 mm | Bad | Wilkes Barre in November |
| December | 3° / -4° | 9 | 9 | 13 | 64 mm | Awful | Wilkes Barre in December |