Evergreen Park, Sunday, 9 August, 04:04
Clear. Feels like 66°. High 84°, low 64°.
In September, Evergreen Park, IL averages a high of 73.5° 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 | 78.4° | 64.9° | 30% | 94.1° (2011) | 53.8° (1967) |
| 2 | 78.8° | 65.3° | 27% | 91.6° (2011) | 52.2° (1965) |
| 3 | 78.6° | 64.9° | 27% | 93.2° (2023) | 52.5° (1974) |
| 4 | 77.4° | 64° | 33% | 91.2° (2023) | 50.7° (2025) |
| 5 | 77.4° | 63.5° | 27% | 90.3° (2023) | 53.4° (2010) |
| 6 | 77.2° | 63.7° | 38% | 91.4° (1990) | 49.6° (2025) |
| 7 | 77.2° | 63.1° | 30% | 91.8° (1960) | 48.6° (2025) |
| 8 | 75.7° | 62.8° | 35% | 90.7° (1960) | 48° (2024) |
| 9 | 75.4° | 62.4° | 32% | 92.1° (2013) | 51.6° (2025) |
| 10 | 76.1° | 61.7° | 30% | 93.4° (2013) | 51.4° (2017) |
| 11 | 75.9° | 61.5° | 30% | 90° (2005) | 47.8° (1993) |
| 12 | 75.6° | 61.5° | 32% | 89.6° (2005) | 48° (2014) |
| 13 | 75.2° | 61.5° | 40% | 91.4° (2005) | 44.2° (2014) |
| 14 | 74.1° | 60.4° | 32% | 87.3° (1991) | 45.3° (1975) |
| 15 | 72.9° | 59.7° | 23% | 87.8° (1991) | 47.3° (2007) |
| 16 | 72.3° | 59.5° | 23% | 87.1° (2017) | 47.5° (1966) |
| 17 | 73.4° | 59.9° | 38% | 87.3° (2018) | 48.9° (2014) |
| 18 | 73.6° | 59.7° | 33% | 85.3° (2022) | 48.7° (1973) |
| 19 | 73.6° | 60.3° | 33% | 88.7° (2025) | 44.4° (2020) |
| 20 | 73.4° | 59.2° | 43% | 89.8° (2022) | 45.1° (1991) |
| 21 | 72.1° | 58.6° | 33% | 91.6° (2017) | 45.3° (1962) |
| 22 | 70.3° | 57.7° | 43% | 91.4° (2017) | 40.3° (1995) |
| 23 | 68.9° | 55.4° | 32% | 90.3° (2017) | 38.3° (1995) |
| 24 | 69.4° | 55.8° | 23% | 89.8° (2017) | 43° (1976) |
| 25 | 69.8° | 56.1° | 43% | 89.1° (2017) | 44.8° (2001) |
| 26 | 69.8° | 55.9° | 28% | 89.6° (2017) | 45° (1984) |
| 27 | 69.1° | 55.9° | 28% | 85.5° (2021) | 43.2° (1991) |
| 28 | 67.3° | 55.4° | 25% | 83.3° (1986) | 43.7° (1984) |
| 29 | 67.8° | 53.8° | 30% | 83.8° (2025) | 38.5° (1967) |
| 30 | 68.7° | 54.3° | 17% | 85.6° (2019) | 38.3° (1993) |