As of 11:13 CDT

Calumet Park, IL weather in September

83°

Calumet Park, Sunday, 9 August, 11:13

Partly cloudy. Feels like 90°. High 87°, low 63°.

Pressure29.97 inHg

Wind7.6 mph SW

Humidity78%

Visibility6.2 mi

Dew point74°

See detailed hourly forecast

In September, Calumet Park, IL averages a high of 73.6° and a low of 60°. About 3.2 inches of precipitation fall over the month (9 wet days). The record high is 94.1° (2011) and the record low 38.3° (1995). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	78.6°	64.9°	30%	94.1° (2011)	53.8° (1967)
2	78.8°	65.3°	27%	91.8° (2011)	52.2° (1965)
3	78.8°	64.9°	23%	92.8° (2023)	52.7° (1974)
4	77.5°	64°	33%	90.9° (2023)	50.4° (2025)
5	77.5°	63.5°	27%	90.3° (2023)	53.4° (2010)
6	77.2°	63.7°	37%	91.4° (1990)	49.3° (2025)
7	77.4°	63.1°	30%	91.9° (1960)	48.2° (2025)
8	75.7°	62.8°	35%	90.7° (1960)	47.5° (2024)
9	75.4°	62.4°	32%	92.3° (2013)	50.9° (2025)
10	76.3°	61.7°	30%	93.4° (2013)	50.4° (2017)
11	75.9°	61.5°	30%	90.1° (2005)	47.8° (1993)
12	75.7°	61.5°	32%	89.8° (2005)	48.2° (2014)
13	75.4°	61.5°	40%	91.4° (2005)	44.2° (2014)
14	74.3°	60.4°	32%	87.3° (1991)	45.5° (1975)
15	73°	59.7°	23%	87.8° (1991)	47.3° (2007)
16	72.5°	59.5°	23%	86.9° (2024)	47.7° (1966)
17	73.6°	59.9°	38%	87.1° (2018)	48.9° (2014)
18	73.8°	59.7°	33%	85.8° (2025)	48.9° (1973)
19	73.8°	60.3°	33%	89.4° (2025)	43.2° (2020)
20	73.6°	59.2°	47%	89.6° (2022)	45.3° (1991)
21	72.3°	58.6°	32%	91.4° (2017)	45.3° (1983)
22	70.3°	57.7°	43%	91.4° (2017)	40.3° (1995)
23	68.9°	55.4°	32%	91° (2017)	38.3° (1995)
24	69.6°	55.8°	23%	90.5° (2017)	43° (1976)
25	69.8°	56.1°	43%	90.1° (2017)	45° (2001)
26	69.8°	56.1°	28%	89.8° (2017)	45.1° (1984)
27	69.3°	55.9°	28%	84.9° (2021)	43.2° (1991)
28	67.3°	55.4°	23%	83.5° (1986)	43.7° (1984)
29	68°	54°	28%	85.3° (2025)	38.5° (1967)
30	68.9°	54.3°	17%	85.6° (2019)	38.5° (1993)