United States · 1991–2020 normal

Rochester in
September.

Typical September weather in Rochester: 23.4°C by day, 13°C at night, 111 mm of rain over 7.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high23.4°C
Typical low13°C
Rain111 mm
Wet days7.1

Comfort score 80 this month (June leads the year at 81). Daylight is calculated as 12 h 25 from latitude 41.73°. Open-water sea temperature is 19.6°C (13 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4948875
NOAA station
USC00196938 · ROCHESTER
Station distance
10 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.