St. Croix Falls, Sunday, 9 August, 14:01
Overcast. Feels like 80°. High 81°, low 64°.
In September, St. Croix Falls, WI averages a high of 68.9° and a low of 54°. About 3.6 inches of precipitation fall over the month (10 wet days). The record high is 94.8° (2023) and the record low 28.6° (1965). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 74.8° | 59.2° | 25% | 90.1° (2011) | 42.6° (1974) |
| 2 | 75° | 59.7° | 33% | 89.6° (2023) | 44.6° (1974) |
| 3 | 73.9° | 59.5° | 33% | 94.8° (2023) | 38.5° (1974) |
| 4 | 74.3° | 58.5° | 28% | 93.9° (2023) | 43.2° (1974) |
| 5 | 73.8° | 58.1° | 33% | 89.4° (2023) | 42.4° (1962) |
| 6 | 73.2° | 58.1° | 32% | 88.9° (1960) | 42.6° (2025) |
| 7 | 72.9° | 57.7° | 37% | 91.2° (1976) | 42.1° (2025) |
| 8 | 71.1° | 56.1° | 32% | 87.4° (1978) | 43.3° (1965) |
| 9 | 71.4° | 56.1° | 33% | 88.7° (2013) | 43° (1969) |
| 10 | 71.4° | 56.3° | 27% | 86.4° (2005) | 39° (2020) |
| 11 | 71.6° | 56.1° | 30% | 89.4° (2012) | 40.8° (2020) |
| 12 | 71.1° | 55.6° | 33% | 86.2° (2011) | 39.2° (1964) |
| 13 | 69.3° | 55.4° | 28% | 85.8° (1998) | 37.2° (2014) |
| 14 | 68.4° | 53.6° | 32% | 84.7° (2017) | 43.2° (1970) |
| 15 | 68.5° | 54.1° | 27% | 86.2° (2018) | 35.8° (2007) |
| 16 | 69.4° | 54.3° | 30% | 84.4° (2025) | 42.8° (2013) |
| 17 | 69.1° | 54.3° | 30% | 83.8° (2019) | 42.1° (1980) |
| 18 | 69.1° | 54.1° | 33% | 82.8° (2019) | 39.7° (2020) |
| 19 | 69.3° | 54.9° | 43% | 86° (1984) | 36.7° (1991) |
| 20 | 66.9° | 53.1° | 43% | 83.7° (2022) | 33.3° (1991) |
| 21 | 65.5° | 51.8° | 37% | 82.6° (2024) | 36.9° (1995) |
| 22 | 63.5° | 50.2° | 35% | 85.6° (2017) | 32° (1974) |
| 23 | 64° | 49.6° | 33% | 82.9° (2017) | 32.9° (1983) |
| 24 | 65.1° | 50° | 30% | 84° (2017) | 35.4° (2000) |
| 25 | 64.9° | 49.8° | 30% | 79.2° (2020) | 37.4° (1985) |
| 26 | 65.1° | 49.5° | 35% | 79.9° (1986) | 28.6° (1965) |
| 27 | 64° | 50° | 27% | 81.1° (1987) | 34.3° (1991) |
| 28 | 63.3° | 47.8° | 30% | 81.7° (2024) | 32.9° (1967) |
| 29 | 63.3° | 48.2° | 37% | 82.9° (2025) | 32.9° (1984) |
| 30 | 64.6° | 49.1° | 27% | 82.6° (2023) | 34° (1972) |