United States · 1991–2020 normal

Saint Charles in
September.

Typical September weather in Saint Charles: 22.9°C by day, 12.8°C at night, 96 mm of rain over 8.5 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high22.9°C
Typical low12.8°C
Rain96 mm
Wet days8.5

Comfort score 79 this month, the highest of the year. Daylight is calculated as 12 h 27 from latitude 43.97°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5044374
NOAA station
USC00215488 · MINNESOTA CITY DAM 5
Station distance
29.2 km from the place centre
Coverage
Good coverage · 18 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.