September weather in Antonito, CO
The average temperature in Antonito in September is 56.5°F (39.7°F–73.3°F). Average precipitation: 1.12 inches.
September is a fall month in Antonito, and is warmer than the annual average of 43.8°F. Daily temperatures swing about 33.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
73.3°F
Avg Low
39.7°F
Precipitation
1.12 in
Daylight
12h 13m
September records in Antonito
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 88.0°F (1941) | 28.0°F (1956) | 0.85 in (1942) |
| September 2 | 86.0°F (1995) | 28.9°F (1959) | 0.30 in (1972) |
| September 3 | 87.1°F (1960) | 24.1°F (1973) | 0.38 in (1947) |
| September 4 | 95.0°F (1991) | 27.0°F (1953) | 0.80 in (1975) |
| September 5 | 86.0°F (1945) | 25.0°F (1971) | 0.72 in (1996) |
| September 6 | 88.0°F (1969) | 26.1°F (1953) | 0.30 in (1916) |
| September 7 | 86.0°F (1979) | 21.0°F (1970) | 0.35 in (1995) |
| September 8 | 87.1°F (1974) | 24.1°F (2020) | 1.00 in (2020) |
| September 9 | 86.0°F (1979) | 19.9°F (1962) | 0.59 in (2011) |
| September 10 | 84.9°F (1971) | 26.1°F (1912) | 1.22 in (1973) |
| September 11 | 88.0°F (2021) | 28.0°F (1986) | 0.60 in (1982) |
| September 12 | 89.1°F (1939) | 25.0°F (1916) | 0.67 in (1970) |
| September 13 | 87.1°F (1895) | 25.0°F (1985) | 1.46 in (2013) |
| September 14 | 86.0°F (1956) | 26.1°F (1909) | 0.44 in (1988) |
| September 15 | 86.0°F (1896) | 25.0°F (1958) | 0.75 in (1985) |
| September 16 | 87.1°F (1896) | 24.1°F (1912) | 0.78 in (1893) |
| September 17 | 84.0°F (2000) | 21.0°F (1912) | 0.43 in (1969) |
| September 18 | 84.0°F (1956) | 21.0°F (1971) | 0.91 in (1923) |
| September 19 | 88.0°F (1908) | 18.0°F (1924) | 0.72 in (2002) |
| September 20 | 84.0°F (1953) | 19.9°F (1971) | 0.54 in (1985) |
| September 21 | 86.0°F (1944) | 12.9°F (1912) | 0.79 in (1997) |
| September 22 | 82.9°F (1894) | 17.1°F (1912) | 0.50 in (2024) |
| September 23 | 84.9°F (1894) | 21.9°F (1955) | 0.77 in (1941) |
| September 24 | 88.0°F (1967) | 23.0°F (1960) | 0.40 in (1927) |
| September 25 | 82.0°F (1953) | 17.1°F (1912) | 0.48 in (1954) |
| September 26 | 82.9°F (1953) | 16.0°F (1970) | 0.55 in (1935) |
| September 27 | 81.0°F (1895) | 14.0°F (1908) | 1.50 in (1936) |
| September 28 | 80.1°F (1994) | 16.0°F (1974) | 0.54 in (1990) |
| September 29 | 82.0°F (1969) | 17.1°F (1999) | 0.51 in (1990) |
| September 30 | 84.0°F (1980) | 15.1°F (1985) | 0.82 in (1959) |