Pittsburgh, PA – September 2025 brought warmer-than-normal conditions across western Pennsylvania, northern West Virginia, and eastern Ohio, according to a new summary released Wednesday by the National Weather Service in Pittsburgh.
According to the agency, average temperatures in Pittsburgh reached 67.2°F, about 2.3 degrees above normal, with highs topping out at 86°F on September 21. Morgantown, West Virginia, also trended warm at 66.9°F, but more notably saw higher-than-average rainfall, totaling 4.12 inches—nearly three-quarters of an inch above normal.
In Ohio, both Zanesville and New Philadelphia recorded warmer days but cooler nights compared to seasonal averages. Zanesville averaged 66.8°F overall, while New Philadelphia posted the highest monthly maximum at 89°F on September 19. Both locations reported precipitation close to normal levels, with no early-season snowfall observed at any station.
The coldest readings of the month across the reporting area fell into the low 40s during the first week of September, with Zanesville dipping to 39°F on September 8, the lowest among the four observation sites.
The NWS notes that warmer-than-usual conditions were consistent across the region, highlighting a continued trend of above-average temperatures heading into fall.