As of 08:09 CDT

Glendale Heights, IL weather in September

70°

Glendale Heights, Sunday, 9 August, 08:09

Clear. Feels like 71°. High 87°, low 63°.

Pressure29.97 inHg

Wind2 mph SW

Humidity84%

Visibility6.2 mi

Dew point65°

See detailed hourly forecast

In September, Glendale Heights, IL averages a high of 73.3° and a low of 57.8°. About 3.1 inches of precipitation fall over the month (9 wet days). The record high is 93.6° (2023) and the record low 34.5° (1984). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	78.3°	62.6°	32%	93.4° (2011)	47.5° (2009)
2	78.6°	63°	22%	92.1° (2008)	47.7° (1965)
3	78.4°	62.8°	30%	93.6° (2023)	48.2° (1974)
4	77.4°	61.7°	32%	91.9° (2023)	47.1° (1974)
5	77.4°	61.2°	23%	89.8° (2023)	49.6° (2010)
6	77°	61.3°	37%	91.2° (1990)	47.1° (1988)
7	77.2°	60.8°	27%	91.4° (1960)	47.3° (2025)
8	75.4°	60.8°	33%	91° (1978)	44.2° (1986)
9	75.4°	60.1°	27%	92.5° (2013)	46.4° (1986)
10	75.9°	59.5°	23%	93° (2013)	47.5° (2008)
11	75.6°	59.4°	32%	89.8° (2005)	43.5° (1993)
12	75.7°	59.4°	30%	89.2° (2005)	44.2° (2014)
13	74.8°	59.4°	32%	91.2° (2005)	41.9° (2014)
14	73.8°	58.3°	30%	86.2° (1991)	41.4° (1975)
15	72.5°	57.7°	20%	87.1° (2024)	42.6° (2007)
16	72.1°	57.2°	25%	87.1° (2024)	43.9° (2007)
17	73.4°	57.7°	38%	87.6° (2018)	44.1° (2014)
18	73.6°	57.4°	28%	86.2° (2007)	44.8° (1973)
19	73.4°	58.5°	40%	86.5° (1978)	42.6° (1991)
20	72.9°	57.2°	42%	89.1° (2017)	40.5° (1991)
21	71.6°	56.3°	32%	90.3° (2017)	39.7° (1991)
22	69.8°	55.4°	45%	90° (2017)	37.9° (1995)
23	68.4°	53.1°	28%	90.9° (2017)	34.9° (1995)
24	68.9°	53.6°	25%	88.5° (2007)	39.6° (2012)
25	69.6°	54°	35%	88.2° (2017)	41.4° (1989)
26	69.6°	53.8°	32%	87.4° (2017)	41.9° (1984)
27	68.9°	53.8°	23%	84.9° (2021)	38.5° (1991)
28	67.3°	53.1°	23%	83.8° (1971)	40.6° (1964)
29	67.6°	51.8°	28%	87.4° (2025)	37.6° (1967)
30	68.7°	52.3°	20%	84.9° (1971)	34.5° (1984)