United States · 1991–2020 normal
Ottumwa in
September.
Typical September weather in Ottumwa: 24.8°C by day, 12.2°C at night, 89 mm of rain over 6.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24.8°C
Typical low12.2°C
Rain89 mm
Wet days6.5
Comfort score 82 this month, the highest of the year. Daylight is calculated as 12 h 25 from latitude 41.02°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4870380
- NOAA station
- USW00014950 · OTTUMWA IND AP
- Station distance
- 9.4 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.