United States · 1991–2020 normal
Wilmette in
September.
Typical September weather in Wilmette: 24°C by day, 12.5°C at night, 84 mm of rain over 7.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24°C
Typical low12.5°C
Rain84 mm
Wet days7.7
Comfort score 84 this month, the highest of the year. Daylight is calculated as 12 h 26 from latitude 42.07°. Open-water sea temperature is 20.0°C (10 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4916732
- NOAA station
- USC00111497 · CHICAGO BOTANIC GARDEN
- Station distance
- 9.1 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.