September weather in Red Cliff, CO
The average temperature in Red Cliff in September is °F (°F–°F). Average precipitation: 2.11 inches.
September is a fall month in Red Cliff, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 12h 15m.
Avg High
°F
Avg Low
°F
Precipitation
2.11 in
Daylight
12h 15m
September records in Red Cliff
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 76.1°F (1995) | 31.6°F (1992) | 0.90 in (1991) |
| September 2 | 73.8°F (2019) | 33.1°F (1992) | 0.50 in (2016) |
| September 3 | 74.7°F (2019) | 34.0°F (1993) | 0.40 in (1985) |
| September 4 | 75.6°F (1995) | 30.9°F (2004) | 0.40 in (2004) |
| September 5 | 74.8°F (2020) | 29.3°F (2004) | 0.60 in (1990) |
| September 6 | 73.0°F (2022) | 31.1°F (2001) | 0.50 in (2011) |
| September 7 | 75.4°F (1998) | 23.5°F (2001) | 0.40 in (2003) |
| September 8 | 72.9°F (2022) | 18.7°F (2020) | 1.40 in (1980) |
| September 9 | 72.7°F (1988) | 18.3°F (2020) | 0.90 in (2014) |
| September 10 | 72.3°F (2021) | 28.8°F (2003) | 1.10 in (2003) |
| September 11 | 68.5°F (1990) | 28.2°F (1986) | 0.70 in (1982) |
| September 12 | 72.0°F (1990) | 29.8°F (1989) | 0.60 in (1989) |
| September 13 | 72.9°F (1990) | 21.2°F (1993) | 0.60 in (1993) |
| September 14 | 74.3°F (1990) | 18.3°F (1993) | 0.70 in (1981) |
| September 15 | 73.4°F (1990) | 23.2°F (1991) | 0.40 in (2009) |
| September 16 | 72.0°F (2000) | 22.3°F (2006) | 0.70 in (2007) |
| September 17 | 69.8°F (2000) | 16.5°F (2006) | 0.70 in (1990) |
| September 18 | 71.1°F (2018) | 18.1°F (2003) | 1.10 in (1996) |
| September 19 | 71.4°F (2010) | 18.1°F (1988) | 0.60 in (1999) |
| September 20 | 66.9°F (2005) | 26.6°F (1996) | 0.60 in (2006) |
| September 21 | 65.7°F (2010) | 20.7°F (1995) | 1.80 in (2006) |
| September 22 | 65.5°F (2016) | 19.8°F (1995) | 0.60 in (2013) |
| September 23 | 65.7°F (1987) | 23.0°F (2006) | 0.50 in (2000) |
| September 24 | 68.5°F (1987) | 18.9°F (2000) | 0.40 in (1984) |
| September 25 | 68.0°F (2001) | 19.8°F (2000) | 0.60 in (1986) |
| September 26 | 67.3°F (2010) | 16.5°F (1996) | 0.40 in (2002) |
| September 27 | 68.9°F (2001) | 9.3°F (1996) | 1.40 in (2005) |
| September 28 | 69.1°F (2010) | 16.9°F (1999) | 1.00 in (1985) |
| September 29 | 68.4°F (2010) | 20.7°F (1988) | 1.20 in (1995) |
| September 30 | 66.6°F (2001) | 18.3°F (2009) | 0.60 in (2014) |