United States · 1991–2020 normal
Decatur in
September.
Typical September weather in Decatur: 23.7°C by day, 10.1°C at night, 96 mm of rain over 7.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high23.7°C
Typical low10.1°C
Rain96 mm
Wet days7.6
Comfort score 78 this month, the highest of the year. Daylight is calculated as 12 h 26 from latitude 42.63°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 9688806
- NOAA station
- USC00471078 · BRODHEAD WWTP
- Station distance
- 2.7 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.