- Latitude: 41.617
- Longitude: -87.417
High Temperatures
On September 11 in this location the average high temperature is 77.3 °F (25.2 °C). The lowest recored high temperature was 64.0 °F (17.8 °C) in 1968 and the highest recored high temperature was 95.5 °F (35.3 °C) in 2013. The high temperature is usually* between 72.4 °F (22.5 °C) and 82.2 °F (27.9 °C). About a quarter of the time, the high temperature is less than 72.4 °F (22.5 °C), and another quarter of the time, the high temperature is greater than and 82.2 °F (27.9 °C). About 95% of the time, the high temperature has been between 63.1 °F (17.3 °C) and 91.5 °F (33.1 °C).
Low Temperatures
On September 11 in this location the average low temperature is 61.6 °F (16.4 °C). The lowest recored low temperature was 43.0 °F (6.1 °C) in 2017 and the lowest recored low temperature was 76.1 °F (24.5 °C) in 2013. The low temperature is usually* between 57.5 °F (14.2 °C) and 65.7 °F (18.7 °C). About a quarter of the time, the low temperature is less than 57.5 °F (14.2 °C), and another quarter of the time, the low temperature is greater than and 65.7 °F (18.7 °C). About 95% of the time, the low temperature has been between 49.8 °F (9.9 °C) and 73.4 °F (23.0 °C).
Frost
On September 11 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — from year 2006 to 2024
- LANSING MUNICIPAL AP — Integrated Surface Dataset (ISD) station ID: 722126 — Weather Bureau Army Navy (WBAN): 04879 — from year 2006 to 2024
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2024
- BURNS HARBOR — Integrated Surface Dataset (ISD) station ID: 997787 — from year 2007 to 2024
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 to 2024
- GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1981 to 2005
- LANSING MUNI — Integrated Surface Dataset (ISD) station ID: 722126 — from year 2004 to 2005
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2002
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — Weather Bureau Army Navy (WBAN): 94866 — from year 1973 to 1999
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1995
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1987 to 1988
- CHICAGO MEIGS FIELD — Weather Bureau Army Navy (WBAN): 94866 — from year 1966 to 1969