United States · 1991–2020 normal
Rocky River in
September.
Typical September weather in Rocky River: 23.8°C by day, 13.4°C at night, 100 mm of rain over 8.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high23.8°C
Typical low13.4°C
Rain100 mm
Wet days8.3
Comfort score 82 this month, the highest of the year. Daylight is calculated as 12 h 25 from latitude 41.48°. Open-water sea temperature is 21.5°C (17 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 21.5°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5168491
- NOAA station
- USW00014820 · CLEVELAND
- Station distance
- 7.1 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.