United States · 1991–2020 normal

Long Grove in
September.

Typical September weather in Long Grove: 24.2°C by day, 13.3°C at night, 76 mm of rain over 6.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high24.2°C
Typical low13.3°C
Rain76 mm
Wet days6.3

Comfort score 88 this month, the highest of the year. Daylight is calculated as 12 h 26 from latitude 42.18°. Open-water sea temperature is 19.4°C (24 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4900416
NOAA station
USW00004838 · CHICAGO PALWAUKEE AP
Station distance
10 km from the place centre
Coverage
Good coverage · 23 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.