United States · 1991–2020 normal
Decorah in
September.
Typical September weather in Decorah: 24.2°C by day, 10.5°C at night, 92 mm of rain over 7.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24.2°C
Typical low10.5°C
Rain92 mm
Wet days7.7
Comfort score 79 this month, the highest of the year. Daylight is calculated as 12 h 27 from latitude 43.30°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4853608
- NOAA station
- USC00132110 · DECORAH
- Station distance
- 0.8 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.