September weather in Crested Butte, CO
The average temperature in Crested Butte in September is 48.6°F (31.2°F–65.9°F). Average precipitation: 1.95 inches. Average snowfall is 1.2 inches.
September is a fall month in Crested Butte, and is warmer than the annual average of 34.2°F. Daily temperatures swing about 34.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 14m. For travel, September is cool.
Avg High
65.9°F
Avg Low
31.2°F
Precipitation
1.95 in
Snow
1.2 in
September records in Crested Butte
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 82.9°F (1954) | 15.1°F (1934) | 1.05 in (1927) |
| September 2 | 84.0°F (1936) | 19.9°F (1934) | 1.20 in (1927) |
| September 3 | 84.9°F (1936) | 17.1°F (1920) | 0.98 in (1927) |
| September 4 | 87.1°F (1936) | 21.9°F (1921) | 0.59 in (1927) |
| September 5 | 84.9°F (1936) | 15.1°F (1921) | 0.93 in (1909) |
| September 6 | 82.9°F (1978) | 17.1°F (1921) | 1.19 in (1970) |
| September 7 | 84.0°F (1959) | 17.1°F (1921) | 1.27 in (1934) |
| September 8 | 82.9°F (2022) | 19.0°F (1920) | 2.00 in (1918) |
| September 9 | 82.9°F (2022) | 15.1°F (1921) | 1.23 in (1927) |
| September 10 | 81.0°F (1958) | 12.9°F (1920) | 1.25 in (1927) |
| September 11 | 81.0°F (1959) | 15.1°F (1921) | 1.13 in (1927) |
| September 12 | 78.1°F (1948) | 16.0°F (1917) | 1.01 in (1927) |
| September 13 | 78.1°F (1990) | 18.0°F (1917) | 1.38 in (1970) |
| September 14 | 80.1°F (1948) | 15.1°F (1921) | 0.53 in (1912) |
| September 15 | 80.1°F (1990) | 17.1°F (1917) | 0.53 in (2006) |
| September 16 | 78.1°F (1939) | 17.1°F (1951) | 1.10 in (1945) |
| September 17 | 80.1°F (1956) | 14.0°F (1921) | 1.13 in (2007) |
| September 18 | 79.0°F (1956) | 16.0°F (1921) | 0.53 in (1965) |
| September 19 | 79.0°F (1940) | 10.0°F (1971) | 0.85 in (1972) |
| September 20 | 80.1°F (2010) | 14.0°F (1971) | 0.94 in (1934) |
| September 21 | 80.1°F (1966) | 3.0°F (1921) | 1.05 in (1952) |
| September 22 | 78.1°F (1949) | 10.9°F (1921) | 0.95 in (2024) |
| September 23 | 77.0°F (1966) | 14.0°F (1921) | 0.99 in (2013) |
| September 24 | 75.0°F (1948) | 12.0°F (1913) | 1.30 in (1927) |
| September 25 | 75.0°F (2011) | 14.0°F (1913) | 1.43 in (1915) |
| September 26 | 80.1°F (1963) | 15.1°F (1934) | 1.05 in (1935) |
| September 27 | 80.1°F (1963) | 9.0°F (1920) | 0.88 in (1959) |
| September 28 | 80.1°F (2010) | 5.0°F (1927) | 0.87 in (2005) |
| September 29 | 80.1°F (2010) | 8.1°F (1927) | 1.13 in (1985) |
| September 30 | 81.0°F (2010) | 7.0°F (1920) | 0.76 in (1971) |