As of 21:03 CDT

Peoria, IL weather in September

72°

Peoria, Saturday, 8 August, 21:03

Clear. Feels like 73°. High 84°, low 69°.

Pressure30.03 inHg

Wind6 mph E

Humidity90%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In September, Peoria, IL averages a high of 75.3° and a low of 58.7°. About 3.1 inches of precipitation fall over the month (8 wet days). The record high is 98.1° (2011) and the record low 34.3° (1995). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	80.2°	63.9°	28%	98.1° (2011)	48.4° (1967)
2	80.4°	64°	22%	95.2° (2011)	49.5° (1967)
3	80.2°	63.9°	28%	92.1° (1964)	47.5° (1974)
4	79°	62.4°	32%	90.9° (2007)	43.9° (1974)
5	79.3°	62.1°	17%	91.8° (1990)	49.6° (1974)
6	78.4°	62.4°	33%	92.5° (2015)	45.5° (1962)
7	79.2°	61.9°	28%	91.9° (1960)	48.6° (2025)
8	77.4°	61.2°	38%	92.8° (1978)	44.4° (1986)
9	77°	60.6°	27%	94.3° (2013)	48° (2008)
10	77.9°	60.1°	18%	92.5° (2013)	46.8° (1969)
11	77.7°	60.3°	27%	90.5° (1978)	46.4° (1993)
12	77.2°	60.3°	27%	90.7° (1991)	45.1° (2014)
13	76.5°	60.3°	27%	90.9° (2025)	41.2° (2014)
14	75.6°	59.2°	35%	91.4° (2025)	41.7° (2014)
15	74.7°	58.8°	28%	88° (1991)	43.7° (2007)
16	73.9°	58.6°	32%	86.7° (2017)	44.4° (1984)
17	75°	58.5°	33%	90.3° (1988)	45.1° (1984)
18	75.7°	58.5°	35%	90.5° (2007)	43.9° (1973)
19	75.4°	59.4°	38%	87.4° (2013)	41.9° (1991)
20	74.7°	58.8°	30%	92.1° (2022)	38.7° (1991)
21	73.2°	57.4°	25%	90.7° (2007)	40.1° (1991)
22	71.8°	55.9°	32%	90.3° (2017)	37.6° (1995)
23	70.7°	54.1°	30%	90.7° (2007)	34.3° (1995)
24	71.2°	54.5°	23%	91.2° (2007)	37.9° (1995)
25	71.4°	54.9°	40%	88.3° (2017)	40.5° (2001)
26	71.4°	54.7°	35%	86.4° (2017)	39.7° (1984)
27	70.9°	54.1°	17%	84.7° (2025)	42.1° (1991)
28	70°	53.6°	18%	86.4° (2025)	40.6° (1964)
29	70.7°	53.1°	22%	87.4° (2025)	38.5° (1992)
30	71.6°	53.8°	12%	87.1° (1971)	36.9° (1993)