September weather in Lancaster, CA
The average temperature in Lancaster in September is 74.2°F (56.9°F–91.4°F). Average precipitation: 0.12 inches.
September is a fall month in Lancaster, and is warmer than the annual average of 62.1°F. Daily temperatures swing about 34.5°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
91.4°F
Avg Low
56.9°F
Precipitation
0.12 in
Daylight
12h 12m
September records in Lancaster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 111.9°F (2022) | 51.1°F (1980) | 0.00 in (1974) |
| September 2 | 113.0°F (2022) | 46.9°F (2012) | 0.03 in (1998) |
| September 3 | 109.0°F (2022) | 46.9°F (2005) | 0.15 in (2022) |
| September 4 | 108.0°F (2020) | 46.9°F (2004) | 0.70 in (1998) |
| September 5 | 111.0°F (2020) | 46.0°F (2004) | 0.88 in (1978) |
| September 6 | 111.9°F (2020) | 45.0°F (2000) | 0.00 in (1974) |
| September 7 | 109.0°F (2020) | 46.9°F (2005) | 0.00 in (1974) |
| September 8 | 106.0°F (2021) | 48.9°F (1978) | 0.10 in (1982) |
| September 9 | 105.1°F (2024) | 46.9°F (2002) | 0.06 in (1982) |
| September 10 | 104.0°F (1979) | 43.0°F (2010) | 1.12 in (1976) |
| September 11 | 104.0°F (2009) | 39.9°F (1998) | 0.22 in (2022) |
| September 12 | 104.0°F (1983) | 39.9°F (1985) | 0.00 in (1974) |
| September 13 | 102.9°F (1979) | 41.0°F (1985) | 0.00 in (1974) |
| September 14 | 102.0°F (1983) | 44.1°F (1994) | 0.00 in (1974) |
| September 15 | 102.0°F (2014) | 46.0°F (1980) | 0.64 in (2015) |
| September 16 | 102.9°F (2000) | 48.0°F (2016) | 0.17 in (1975) |
| September 17 | 102.9°F (2000) | 41.0°F (2006) | 0.03 in (1982) |
| September 18 | 100.0°F (2009) | 41.0°F (1993) | 0.15 in (1982) |
| September 19 | 100.9°F (2016) | 37.9°F (1978) | 0.18 in (1989) |
| September 20 | 100.0°F (2000) | 37.9°F (1978) | 0.80 in (2005) |
| September 21 | 100.0°F (2003) | 37.9°F (1978) | 0.03 in (2007) |
| September 22 | 100.0°F (2003) | 39.0°F (1986) | 0.17 in (2007) |
| September 23 | 100.0°F (2003) | 39.9°F (2006) | 0.14 in (1987) |
| September 24 | 100.0°F (2002) | 39.0°F (1993) | 0.05 in (1982) |
| September 25 | 100.0°F (2009) | 39.9°F (2000) | 0.87 in (1997) |
| September 26 | 100.9°F (2009) | 42.1°F (2007) | 0.03 in (1983) |
| September 27 | 102.9°F (2003) | 39.9°F (2013) | 0.00 in (1974) |
| September 28 | 102.0°F (2010) | 37.0°F (2013) | 0.00 in (1974) |
| September 29 | 98.1°F (2010) | 39.0°F (1986) | 0.07 in (1983) |
| September 30 | 100.0°F (2001) | 37.9°F (1982) | 0.24 in (1983) |