United States · 1991–2020 normal
West Branch in
September.
Typical September weather in West Branch: 25.8°C by day, 12.4°C at night, 88 mm of rain over 6.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high25.8°C
Typical low12.4°C
Rain88 mm
Wet days6.9
Comfort score 79 this month, the highest of the year. Daylight is calculated as 12 h 25 from latitude 41.67°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4881274
- NOAA station
- USC00134101 · IOWA CITY
- Station distance
- 14.9 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.