September weather in Leadville, CO
The average temperature in Leadville in September is 46.5°F (31.6°F–61.5°F). Average precipitation: 1.13 inches. Average snowfall is 1.0 inches.
September is a fall month in Leadville, and is warmer than the annual average of 34.6°F. Daily temperatures swing about 29.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 14m. For travel, September is cool.
Avg High
61.5°F
Avg Low
31.6°F
Precipitation
1.13 in
Snow
1.0 in
September records in Leadville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 81.0°F (1954) | 24.1°F (1965) | 0.33 in (1999) |
| September 2 | 79.0°F (2019) | 26.1°F (1961) | 0.54 in (1961) |
| September 3 | 79.0°F (1960) | 21.9°F (1974) | 0.70 in (1961) |
| September 4 | 82.0°F (1960) | 24.1°F (1961) | 0.33 in (2015) |
| September 5 | 80.1°F (1960) | 21.0°F (1965) | 0.53 in (2018) |
| September 6 | 80.1°F (1960) | 25.0°F (1992) | 0.63 in (2003) |
| September 7 | 79.0°F (2022) | 25.0°F (2001) | 0.76 in (2011) |
| September 8 | 79.0°F (2022) | 18.1°F (2020) | 0.64 in (2020) |
| September 9 | 77.0°F (2021) | 18.1°F (2020) | 0.35 in (2005) |
| September 10 | 77.0°F (1958) | 23.0°F (2001) | 0.52 in (2002) |
| September 11 | 77.0°F (1956) | 22.1°F (2010) | 0.53 in (1949) |
| September 12 | 73.9°F (1990) | 21.0°F (1951) | 0.64 in (2008) |
| September 13 | 77.0°F (1948) | 21.9°F (1985) | 0.61 in (2013) |
| September 14 | 77.0°F (1948) | 17.1°F (2003) | 0.30 in (2011) |
| September 15 | 73.9°F (1948) | 19.9°F (1993) | 0.48 in (2023) |
| September 16 | 73.0°F (2018) | 18.0°F (1991) | 0.21 in (1959) |
| September 17 | 75.0°F (1956) | 16.0°F (1971) | 1.15 in (1971) |
| September 18 | 73.0°F (1956) | 12.0°F (1971) | 0.56 in (2002) |
| September 19 | 75.0°F (2010) | 9.0°F (1971) | 0.39 in (1972) |
| September 20 | 73.0°F (1956) | 19.0°F (1965) | 0.38 in (1992) |
| September 21 | 75.0°F (1948) | 9.0°F (1978) | 0.52 in (2024) |
| September 22 | 72.0°F (1949) | 10.9°F (1995) | 0.76 in (1970) |
| September 23 | 73.9°F (1948) | 14.0°F (1985) | 0.44 in (1961) |
| September 24 | 72.0°F (1948) | 15.1°F (1961) | 0.49 in (1961) |
| September 25 | 73.9°F (2024) | 12.9°F (2000) | 0.28 in (1967) |
| September 26 | 72.0°F (2021) | 17.1°F (1970) | 0.84 in (1959) |
| September 27 | 73.9°F (2001) | 8.1°F (1996) | 0.68 in (1959) |
| September 28 | 73.9°F (2010) | 15.1°F (1974) | 0.55 in (2005) |
| September 29 | 73.9°F (2010) | 12.9°F (1988) | 1.25 in (1959) |
| September 30 | 71.1°F (1957) | 15.1°F (1959) | 0.55 in (2022) |