Fort Collins, Sunday, 9 August, 07:23
Mostly clear. Feels like 70°. High 95°, low 70°.
In September, Fort Collins, CO averages a high of 74.8° and a low of 49°. About 1.6 inches of precipitation fall over the month (6 wet days). The record high is 98.1° (2020) and the record low 13.6° (1995). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 80.6° | 54.3° | 20% | 93.6° (2019) | 42.1° (1965) |
| 2 | 80.4° | 54.3° | 18% | 97.7° (2019) | 42.1° (1974) |
| 3 | 80.8° | 54° | 12% | 94.6° (2017) | 39.6° (1961) |
| 4 | 80.2° | 53.4° | 15% | 93.2° (2022) | 41.9° (1974) |
| 5 | 80.6° | 53.2° | 13% | 97.9° (2022) | 43.2° (1968) |
| 6 | 79.9° | 53.4° | 12% | 98.1° (2020) | 42.4° (1968) |
| 7 | 78.6° | 53.2° | 23% | 95.2° (2022) | 43.7° (1986) |
| 8 | 78.3° | 51.6° | 23% | 97° (2022) | 31.6° (2020) |
| 9 | 76.8° | 51.4° | 22% | 92.1° (2021) | 31.3° (2020) |
| 10 | 77° | 51.6° | 32% | 94.1° (2021) | 25° (2020) |
| 11 | 75.6° | 51.4° | 33% | 92.8° (2021) | 37° (2020) |
| 12 | 74.1° | 50.2° | 28% | 89.2° (2018) | 34.3° (2014) |
| 13 | 73.8° | 48.9° | 30% | 91.6° (1990) | 34° (2014) |
| 14 | 73.4° | 49.1° | 30% | 88.3° (2015) | 32.2° (1993) |
| 15 | 73.9° | 48.7° | 27% | 88.2° (2018) | 36° (1993) |
| 16 | 74.5° | 48.7° | 18% | 91° (2000) | 31.5° (1965) |
| 17 | 74.1° | 48.4° | 17% | 91° (2000) | 28.9° (1965) |
| 18 | 73.9° | 47.5° | 18% | 86° (2018) | 28.9° (1971) |
| 19 | 73.8° | 48.2° | 22% | 88.9° (2022) | 19.8° (1971) |
| 20 | 72.1° | 47.1° | 23% | 87.6° (2022) | 21.9° (1971) |
| 21 | 70.2° | 46.2° | 23% | 84.4° (2005) | 28.8° (1995) |
| 22 | 69.1° | 45.1° | 25% | 83.5° (2007) | 13.6° (1995) |
| 23 | 70.9° | 45.3° | 17% | 84.4° (2018) | 21° (1971) |
| 24 | 71.2° | 45.3° | 25% | 87.1° (2020) | 28.2° (1965) |
| 25 | 71.4° | 44.8° | 20% | 85.1° (2020) | 16.7° (2000) |
| 26 | 73° | 45° | 13% | 87.3° (2020) | 22.6° (2000) |
| 27 | 71.8° | 45.5° | 18% | 86.9° (2015) | 28.4° (1996) |
| 28 | 70.5° | 44.6° | 20% | 87.6° (2010) | 27° (1985) |
| 29 | 71.6° | 45° | 15% | 87.6° (2024) | 18.3° (1999) |
| 30 | 70.5° | 45.1° | 17% | 82.8° (1980) | 15.1° (1984) |