Potosi, Sunday, 9 August, 18:02
Clear. Feels like 100°. High 91°, low 71°.
In September, Potosi, MO averages a high of 78.1° and a low of 61.1°. About 2.9 inches of precipitation fall over the month (8 wet days). The record high is 97.7° (1990) and the record low 37.9° (1984). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 83.1° | 66.6° | 33% | 97° (2013) | 51.3° (1967) |
| 2 | 82.4° | 66° | 35% | 95° (2011) | 51.1° (1974) |
| 3 | 82.4° | 65.5° | 32% | 94.3° (2011) | 48.9° (1974) |
| 4 | 82° | 65.1° | 28% | 95.7° (1999) | 48° (1974) |
| 5 | 81.9° | 64.6° | 25% | 96.4° (1990) | 50° (1974) |
| 6 | 82.2° | 64.2° | 23% | 97.7° (1990) | 50.5° (1988) |
| 7 | 82.4° | 64.2° | 27% | 97.3° (1990) | 49.8° (2017) |
| 8 | 80.2° | 63.9° | 40% | 95.4° (1960) | 49.3° (2024) |
| 9 | 79.9° | 63.3° | 32% | 96.1° (2013) | 48.6° (2024) |
| 10 | 80.6° | 62.6° | 23% | 95° (2013) | 50° (1969) |
| 11 | 80.1° | 62.4° | 27% | 93.6° (2013) | 51.4° (1976) |
| 12 | 79.7° | 62.8° | 27% | 93.6° (1980) | 53.2° (2022) |
| 13 | 79.5° | 62.2° | 25% | 94.1° (1980) | 45.1° (2014) |
| 14 | 78.8° | 61.5° | 25% | 96.8° (1971) | 47.3° (2014) |
| 15 | 76.5° | 61° | 32% | 91.4° (2019) | 47.7° (2011) |
| 16 | 76.1° | 60.8° | 30% | 91.8° (1980) | 48° (1984) |
| 17 | 76.8° | 60.6° | 32% | 89.4° (2019) | 48.2° (1984) |
| 18 | 78.3° | 61° | 30% | 91° (2025) | 45.3° (1981) |
| 19 | 78.3° | 61.2° | 30% | 93.4° (2022) | 46.8° (1991) |
| 20 | 77.2° | 60.6° | 37% | 93.6° (2022) | 43.2° (1991) |
| 21 | 76.5° | 59.5° | 28% | 93.4° (2022) | 43.3° (1991) |
| 22 | 75.2° | 58.8° | 30% | 91.6° (2005) | 41.4° (1995) |
| 23 | 73.9° | 57.4° | 32% | 89.8° (1961) | 38.8° (1995) |
| 24 | 73.4° | 57.2° | 35% | 89.1° (1961) | 40.3° (1989) |
| 25 | 74.3° | 57.7° | 28% | 88.3° (2017) | 42.8° (1965) |
| 26 | 74.3° | 57° | 28% | 89.1° (2017) | 42.4° (2000) |
| 27 | 74.3° | 56.3° | 23% | 89.1° (2021) | 42.1° (1985) |
| 28 | 74.3° | 56.5° | 15% | 88.3° (2021) | 41.4° (1984) |
| 29 | 74.3° | 55.8° | 17% | 87.1° (1971) | 41.7° (1967) |
| 30 | 74.7° | 56.3° | 20% | 89.1° (2019) | 37.9° (1984) |