Weather on September 23
Lancaster, CA
55 Years of Data
Avg High
88°F
Avg Low
54°F
Warmest
2015
81°F avg
Coldest
1986
55°F avg
About This Date
September 23rd in Lancaster, CA typically brings warm fall weather, with average highs around 88°F and lows near 54°F — a 34°F daily swing. Over 55 years of records, the warmest September 23rd was in 2015 (81°F average), while the coldest was 1986 (55°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 23rd dates historically. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for September 23rd in Lancaster, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 58° | 77° | — | — |
| 2024 | 97° | 53° | 75° | — | — |
| 2023 | 85° | 53° | 69° | — | — |
| 2022 | 94° | 48° | 71° | — | — |
| 2021 | 90° | 62° | 76° | — | — |
| 2020 | 96° | 57° | 77° | — | — |
| 2019 | 89° | 57° | 73° | — | — |
| 2018 | 93° | 62° | 78° | — | — |
| 2017 | 74° | 48° | 61° | — | — |
| 2016 | 79° | 52° | 65° | — | — |
| 2015warmest | 97° | 65° | 81° | — | — |
| 2014 | 94° | 51° | 72° | — | — |
| 2013 | 86° | 43° | 64° | — | — |
| 2012 | 97° | 61° | 79° | — | — |
| 2011 | 99° | 55° | 77° | — | — |
| 2010 | 90° | 47° | 68° | — | — |
| 2009 | 95° | 48° | 72° | — | — |
| 2008 | 92° | 48° | 70° | — | — |
| 2007 | 72° | 51° | 61° | — | — |
| 2006 | 80° | 40° | 60° | — | — |
| 2005 | 88° | 65° | 76° | — | — |
| 2004 | 89° | 45° | 67° | — | — |
| 2003 | 100° | 52° | 76° | — | — |
| 2002 | 95° | 54° | 74° | — | — |
| 2001 | 98° | 49° | 73° | — | — |
| 2000 | 72° | 55° | 63° | — | — |
| 1999 | 85° | 60° | 72° | — | — |
| 1998 | 74° | 53° | 63° | — | — |
| 1997 | 92° | 52° | 72° | — | — |
| 1996 | 88° | 56° | 72° | — | — |
| 1995 | 91° | 70° | 80° | — | — |
| 1994 | 87° | 67° | 77° | — | — |
| 1993 | 83° | 56° | 69° | — | — |
| 1992 | 94° | 61° | 77° | — | — |
| 1991 | 93° | 65° | 79° | 0.2" | — |
| 1990 | 78° | 54° | 66° | — | — |
| 1989 | 96° | 50° | 73° | — | — |
| 1988 | 85° | 45° | 65° | — | — |
| 1987 | 82° | 61° | 71° | 0.36" | — |
| 1986coldest | 67° | 44° | 55° | — | — |
| 1985 | 91° | 52° | 71° | — | — |
| 1984 | 73° | 59° | 66° | — | — |
| 1983 | 82° | 62° | 72° | — | — |
| 1982 | 98° | 53° | 76° | — | — |
| 1981 | 83° | 51° | 67° | — | — |
| 1980 | 88° | 46° | 67° | — | — |
| 1979 | 93° | 54° | 73° | — | — |
| 1978 | 93° | 47° | 70° | — | — |
| 1977 | 85° | 51° | 68° | — | — |
| 1976 | 85° | 55° | 70° | — | — |
| 1975 | 91° | 50° | 71° | — | — |
| 1974 | 95° | 56° | 75° | — | — |
| 1973 | 71° | 55° | 63° | — | — |
| 1972 | 84° | 60° | 72° | — | — |
| 1971 | 87° | 44° | 66° | — | — |
55 years of data from LANCASTER