September weather in La Salle, CO
The average temperature in La Salle in September is 65.3°F (48.7°F–81.9°F). Average precipitation: 1.13 inches. Average snowfall is 0.5 inches.
September is a fall month in La Salle, and is warmer than the annual average of 52.1°F. Daily temperatures swing about 33.2°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
81.9°F
Avg Low
48.7°F
Precipitation
1.13 in
Snow
0.5 in
September records in La Salle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (2019) | 43.0°F (1968) | 0.97 in (1972) |
| September 2 | 102.9°F (2019) | 42.1°F (1974) | 0.56 in (1999) |
| September 3 | 98.1°F (1995) | 39.0°F (1973) | 0.36 in (1999) |
| September 4 | 97.0°F (1998) | 39.9°F (1968) | 0.50 in (1971) |
| September 5 | 105.1°F (2020) | 39.9°F (1968) | 0.68 in (2004) |
| September 6 | 100.9°F (2022) | 42.1°F (1967) | 0.19 in (1997) |
| September 7 | 100.0°F (2022) | 41.0°F (2010) | 0.21 in (2001) |
| September 8 | 100.0°F (2022) | 33.1°F (2020) | 0.87 in (1989) |
| September 9 | 100.0°F (2021) | 32.0°F (2020) | 1.10 in (1969) |
| September 10 | 99.0°F (2021) | 36.0°F (1970) | 1.11 in (2013) |
| September 11 | 99.0°F (2021) | 35.1°F (1989) | 0.41 in (1973) |
| September 12 | 97.0°F (2018) | 32.0°F (1989) | 1.40 in (2008) |
| September 13 | 99.0°F (1990) | 30.9°F (2014) | 1.01 in (1982) |
| September 14 | 96.1°F (2010) | 30.0°F (1993) | 0.44 in (1979) |
| September 15 | 95.0°F (2007) | 36.0°F (1979) | 0.80 in (2013) |
| September 16 | 97.0°F (2018) | 37.0°F (1979) | 0.13 in (1971) |
| September 17 | 96.1°F (2018) | 32.0°F (1971) | 1.68 in (1971) |
| September 18 | 93.9°F (2004) | 32.0°F (1971) | 0.72 in (1993) |
| September 19 | 95.0°F (2020) | 24.1°F (1971) | 0.67 in (2000) |
| September 20 | 97.0°F (2010) | 28.0°F (1983) | 0.57 in (1995) |
| September 21 | 97.0°F (2004) | 25.0°F (1983) | 0.58 in (2004) |
| September 22 | 91.9°F (2020) | 28.0°F (1995) | 0.83 in (1970) |
| September 23 | 91.0°F (1992) | 30.9°F (1971) | 1.68 in (2025) |
| September 24 | 93.0°F (2020) | 30.0°F (2000) | 1.01 in (2013) |
| September 25 | 90.0°F (2014) | 28.0°F (2000) | 0.78 in (2017) |
| September 26 | 93.0°F (2010) | 27.0°F (1985) | 0.68 in (2012) |
| September 27 | 93.0°F (2015) | 28.0°F (1996) | 0.68 in (1976) |
| September 28 | 96.1°F (2010) | 23.0°F (1985) | 1.00 in (1973) |
| September 29 | 93.0°F (2024) | 21.9°F (1985) | 0.93 in (1995) |
| September 30 | 90.0°F (1980) | 17.1°F (1985) | 0.47 in (2014) |