United States · 1991–2020 normal
Waterloo in
September.
Typical September weather in Waterloo: 24.4°C by day, 11.4°C at night, 82 mm of rain over 7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24.4°C
Typical low11.4°C
Rain82 mm
Wet days7
Comfort score 82 this month, the highest of the year. Daylight is calculated as 12 h 25 from latitude 41.43°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4927928
- NOAA station
- USC00123207 · GARRETT 1 S
- Station distance
- 13.5 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.