As of 08:19 CDT

La Grange Park, IL weather in September

73°

La Grange Park, Sunday, 9 August, 08:19

Clear. Feels like 73°. High 87°, low 63°.

Pressure29.97 inHg

Wind6 mph S

Humidity82%

Visibility6.2 mi

Dew point66°

See detailed hourly forecast

In September, La Grange Park, IL averages a high of 73.7° and a low of 58.9°. About 3.3 inches of precipitation fall over the month (10 wet days). The record high is 94.3° (2011) and the record low 36° (1974). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	78.6°	63.9°	30%	94.3° (2011)	50.7° (2009)
2	79°	64°	25%	92.1° (2008)	48.2° (2017)
3	78.8°	64°	27%	93.4° (2023)	50.5° (1974)
4	77.7°	63°	33%	91.4° (2023)	49.1° (2025)
5	77.7°	62.4°	27%	89.6° (2023)	51.4° (1974)
6	77.4°	62.6°	37%	91.8° (1990)	48.9° (2025)
7	77.5°	62.1°	32%	91.9° (1960)	47.7° (2025)
8	75.9°	61.7°	35%	91.2° (1978)	46.6° (1986)
9	75.6°	61.3°	32%	92.8° (2013)	49.8° (2008)
10	76.5°	60.6°	30%	93.7° (2013)	49.3° (2008)
11	76.1°	60.6°	32%	90.5° (2005)	45.9° (1993)
12	76.1°	60.4°	32%	89.8° (2005)	46° (2014)
13	75.6°	60.4°	37%	91.9° (2005)	43° (2014)
14	74.3°	59.5°	32%	87.1° (1991)	43.9° (1975)
15	73°	59°	23%	87.4° (1991)	45.1° (2007)
16	72.5°	58.5°	25%	87.4° (2024)	47.1° (1966)
17	73.8°	59°	38%	87.8° (2018)	45.7° (2014)
18	73.9°	58.6°	35%	86.5° (2007)	46.8° (1973)
19	73.8°	59.4°	35%	88.2° (2025)	43.7° (2012)
20	73.4°	58.3°	48%	89.2° (2017)	43.3° (1991)
21	72.1°	57.7°	32%	90.3° (2017)	43.7° (1991)
22	70.3°	56.7°	47%	89.2° (2017)	39° (1995)
23	68.9°	54.3°	32%	90.5° (2017)	36° (1974)
24	69.4°	54.9°	25%	89.6° (2007)	42.3° (1976)
25	70°	55°	42%	88.5° (2017)	43.2° (2001)
26	70°	55°	28%	87.3° (2017)	43.7° (1984)
27	69.3°	54.9°	28%	84.9° (2021)	41.2° (1991)
28	67.6°	54.1°	27%	84° (1971)	42.3° (1975)
29	68.2°	52.9°	30%	87.6° (2025)	37.6° (1967)
30	69.3°	53.4°	17%	85.3° (1971)	36.1° (1993)