September weather in Laramie, WY
The average temperature in Laramie in September is 52.8°F (35.1°F–70.5°F). Average precipitation: 1.03 inches.
September is a fall month in Laramie, and is warmer than the annual average of 40.6°F. Daily temperatures swing about 35.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 16m. For travel, September is cool.
Avg High
70.5°F
Avg Low
35.1°F
Precipitation
1.03 in
Daylight
12h 16m
September records in Laramie
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1995) | 28.0°F (1976) | 0.58 in (1972) |
| September 2 | 87.1°F (2002) | 27.0°F (2008) | 0.38 in (1970) |
| September 3 | 89.1°F (1995) | 12.9°F (1974) | 1.17 in (1990) |
| September 4 | 91.0°F (1998) | 23.0°F (1974) | 1.72 in (2004) |
| September 5 | 90.0°F (2020) | 28.0°F (1988) | 0.45 in (2013) |
| September 6 | 89.1°F (2022) | 28.0°F (1974) | 0.43 in (2011) |
| September 7 | 89.1°F (1978) | 25.0°F (2000) | 0.62 in (1971) |
| September 8 | 84.9°F (1977) | 23.0°F (1999) | 0.73 in (1989) |
| September 9 | 84.9°F (1996) | 23.0°F (1999) | 0.60 in (1989) |
| September 10 | 88.0°F (2021) | 21.0°F (2016) | 0.46 in (2004) |
| September 11 | 82.9°F (1993) | 24.1°F (2022) | 1.18 in (1973) |
| September 12 | 86.0°F (1990) | 10.0°F (1974) | 0.86 in (2013) |
| September 13 | 84.9°F (1990) | 16.0°F (1999) | 0.56 in (1982) |
| September 14 | 86.0°F (1990) | 19.9°F (1993) | 0.62 in (1981) |
| September 15 | 90.0°F (2000) | 19.9°F (1999) | 0.42 in (1966) |
| September 16 | 90.0°F (2000) | 18.0°F (1994) | 0.63 in (2025) |
| September 17 | 84.0°F (2000) | 18.0°F (1971) | 0.46 in (1990) |
| September 18 | 82.9°F (2014) | 12.9°F (1971) | 0.35 in (1993) |
| September 19 | 82.0°F (1981) | 15.1°F (1974) | 0.96 in (1997) |
| September 20 | 82.9°F (2016) | 18.0°F (1983) | 0.31 in (1997) |
| September 21 | 80.1°F (1982) | 16.0°F (1983) | 0.78 in (2004) |
| September 22 | 80.1°F (1992) | 16.0°F (1983) | 1.10 in (2000) |
| September 23 | 82.0°F (1992) | 19.0°F (1975) | 0.69 in (2025) |
| September 24 | 82.0°F (2001) | 16.0°F (2000) | 0.20 in (2000) |
| September 25 | 84.9°F (2024) | 14.0°F (2000) | 0.43 in (1967) |
| September 26 | 84.0°F (2014) | 12.9°F (1996) | 1.15 in (1966) |
| September 27 | 82.9°F (2024) | 5.0°F (1996) | 0.30 in (1982) |
| September 28 | 84.0°F (1994) | 15.1°F (1984) | 0.48 in (2014) |
| September 29 | 84.9°F (2005) | 15.1°F (1984) | 0.97 in (2014) |
| September 30 | 84.9°F (2005) | 17.1°F (1986) | 0.94 in (2004) |