United States · 1991–2020 normal
Winthrop Harbor in
September.
Typical September weather in Winthrop Harbor: 22.8°C by day, 12.2°C at night, 96 mm of rain over 7.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high22.8°C
Typical low12.2°C
Rain96 mm
Wet days7.3
Comfort score 79 this month (June leads the year at 80). Daylight is calculated as 12 h 26 from latitude 42.48°. Open-water sea temperature is 19.4°C (12 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4916894
- NOAA station
- USW00014880 · CHICAGO WAUKEGAN RGNL AP
- Station distance
- 6.8 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.