United States · 1991–2020 normal
Prospect Heights in
September.
Typical September weather in Prospect Heights: 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 42.10°. Open-water sea temperature is 20.0°C (26 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4906882
- NOAA station
- USW00004838 · CHICAGO PALWAUKEE AP
- Station distance
- 3.9 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.