United States · 1991–2020 normal

Chester in
September.

Typical September weather in Chester: 28.3°C by day, 14.6°C at night, 75 mm of rain over 5.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high28.3°C
Typical low14.6°C
Rain75 mm
Wet days5.8

Comfort score 77 this month, the highest of the year. Daylight is calculated as 12 h 23 from latitude 37.91°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4235724
NOAA station
USC00114629 · KASKASKIA RVR NAVIGATION LOCK
Station distance
13.4 km from the place centre
Coverage
Good coverage · 24 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.