United States · 1991–2020 normal

Tiffin in
September.

Typical September weather in Tiffin: 25.1°C by day, 11.9°C at night, 78 mm of rain over 6.5 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high25.1°C
Typical low11.9°C
Rain78 mm
Wet days6.5

Comfort score 82 this month, the highest of the year. Daylight is calculated as 12 h 25 from latitude 41.71°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4878585
NOAA station
USW00014937 · IOWA CITY MUNI AP
Station distance
12.3 km from the place centre
Coverage
Strong coverage · 26 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.