United States · 1991–2020 normal
Slippery Rock in
September.
Typical September weather in Slippery Rock: 24.5°C by day, 10.1°C at night, 105 mm of rain over 9.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24.5°C
Typical low10.1°C
Rain105 mm
Wet days9.1
Comfort score 74 this month, the highest of the year. Daylight is calculated as 12 h 25 from latitude 41.06°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5212532
- NOAA station
- USC00368184 · SLIPPERY ROCK 1 SSW
- Station distance
- 0.9 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.