Summit, sábado, 8 agosto, 17:37
Despejado. Sensación de 86°. Máxima 83°, mínima 69°.
En septiembre, Summit, IL tiene una máxima media de 73.9° y una mínima media de 59.5°. Caen unas 3.3 pulgadas de precipitación (10 días de lluvia). El récord de calor es 94.3° (2011) y el de frío 36.9° (1974). Las normales se calculan sobre los últimos 60 años.
| Día | Máxima | Mínima | Prob. lluvia | Récord máx. | Récord mín. |
|---|---|---|---|---|---|
| 1 | 78.8° | 64.4° | 30% | 94.3° (2011) | 53.6° (1967) |
| 2 | 79.2° | 64.8° | 27% | 91.8° (2008) | 50.7° (1965) |
| 3 | 79° | 64.4° | 27% | 93.6° (2023) | 51.8° (1974) |
| 4 | 77.7° | 63.5° | 33% | 91.6° (2023) | 49.6° (2025) |
| 5 | 77.7° | 63° | 27% | 90.3° (2023) | 52.5° (1974) |
| 6 | 77.5° | 63.1° | 38% | 91.9° (1990) | 49.1° (2025) |
| 7 | 77.7° | 62.6° | 32% | 92.3° (1960) | 48° (2025) |
| 8 | 75.9° | 62.2° | 35% | 91.4° (1978) | 47.1° (2024) |
| 9 | 75.7° | 61.9° | 32% | 92.8° (2013) | 50.9° (1986) |
| 10 | 76.5° | 61.2° | 30% | 94.3° (2013) | 50° (2017) |
| 11 | 76.1° | 61.2° | 32% | 90.7° (2005) | 46.6° (1993) |
| 12 | 76.1° | 61° | 30% | 90° (2005) | 46.9° (2014) |
| 13 | 75.6° | 61° | 40% | 92.1° (2005) | 43.7° (2014) |
| 14 | 74.3° | 60.1° | 32% | 87.1° (1991) | 44.4° (1975) |
| 15 | 73.2° | 59.4° | 23% | 87.8° (1991) | 46.4° (2007) |
| 16 | 72.7° | 59° | 25% | 87.4° (2024) | 47.5° (1966) |
| 17 | 73.8° | 59.4° | 38% | 88.2° (2018) | 47.3° (2014) |
| 18 | 73.9° | 59.2° | 32% | 87.3° (2025) | 48° (1973) |
| 19 | 73.9° | 59.9° | 33% | 90.7° (2025) | 43.2° (2020) |
| 20 | 73.8° | 58.8° | 48% | 89.8° (2017) | 44.4° (1991) |
| 21 | 72.3° | 58.3° | 32% | 91.4° (2017) | 44.6° (1991) |
| 22 | 70.5° | 57.2° | 47% | 90.7° (2017) | 39.7° (1995) |
| 23 | 69.1° | 54.7° | 32% | 91° (2017) | 36.9° (1974) |
| 24 | 69.6° | 55.4° | 25% | 89.8° (2007) | 42.3° (1976) |
| 25 | 70.2° | 55.4° | 42% | 89.6° (2017) | 44.1° (2001) |
| 26 | 70.2° | 55.6° | 30% | 88° (2017) | 44.4° (1984) |
| 27 | 69.4° | 55.4° | 28% | 85.6° (2021) | 42.1° (1991) |
| 28 | 67.6° | 54.9° | 25% | 83.7° (1971) | 43.5° (1975) |
| 29 | 68.2° | 53.4° | 30% | 88.3° (2025) | 37.9° (1967) |
| 30 | 69.3° | 53.8° | 17% | 85.3° (1971) | 37° (1993) |