Click on a day for an hourly weather forecast
The temperatures in Greensburg in September are comfortable with low of 13°C and and high up to 24°C.
You can expect rain for roughly half of the month of September in Greensburg. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Greensburg in September 2025.
If you’re planning to visit Greensburg in the near future, we highly recommend that you review the 14 day weather forecast for Greensburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -6° | 13 | 12 | 5 | 92 mm | Awful | Greensburg in January |
| February | 4° / -5° | 12 | 11 | 5 | 104 mm | Awful | Greensburg in February |
| March | 9° / -1° | 10 | 18 | 3 | 104 mm | Awful | Greensburg in March |
| April | 15° / 5° | 10 | 19 | 1 | 120 mm | Ok | Greensburg in April |
| May | 21° / 10° | 12 | 19 | 0 | 146 mm | Ok | Greensburg in May |
| June | 25° / 14° | 11 | 19 | 0 | 152 mm | Good | Greensburg in June |
| July | 28° / 17° | 12 | 19 | 0 | 131 mm | Good | Greensburg in July |
| August | 27° / 16° | 10 | 21 | 0 | 86 mm | Good | Greensburg in August |
| September | 24° / 13° | 8 | 22 | 0 | 114 mm | Good | Greensburg in September |
| October | 17° / 7° | 8 | 23 | 0 | 122 mm | Ok | Greensburg in October |
| November | 10° / 1° | 8 | 21 | 1 | 83 mm | Bad | Greensburg in November |
| December | 5° / -2° | 12 | 16 | 4 | 113 mm | Awful | Greensburg in December |