Weather on September 24
El Cajon, CA
55 Years of Data
Avg High
87°F
Avg Low
61°F
Warmest
2002
93°F avg
Coldest
1986
61°F avg
About This Date
September 24th in El Cajon, CA typically brings warm fall weather, with average highs around 87°F and lows near 61°F — a 26°F daily swing. Over 54 years of records, the warmest September 24th was in 2002 (93°F average), while the coldest was 1986 (61°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 24th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 24th in El Cajon, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 67° | 77° | — | — |
| 2024 | 87° | 63° | 75° | — | — |
| 2023 | 85° | 62° | 73° | — | — |
| 2022 | 94° | 67° | 80° | — | — |
| 2021 | 85° | 64° | 74° | 0.23" | — |
| 2020 | 91° | 61° | 76° | — | — |
| 2019 | 91° | 56° | 73° | — | — |
| 2018 | 75° | 64° | 70° | — | — |
| 2017 | 87° | 53° | 70° | — | — |
| 2016 | 93° | 56° | 74° | — | — |
| 2015 | 93° | 67° | 80° | — | — |
| 2014 | 95° | 65° | 80° | — | — |
| 2013 | 84° | 57° | 71° | — | — |
| 2012 | 93° | 65° | 79° | — | — |
| 2011 | 83° | 60° | 71° | — | — |
| 2010 | 89° | 59° | 74° | — | — |
| 2009 | 102° | 59° | 81° | — | — |
| 2008 | 97° | 56° | 76° | — | — |
| 2007 | 78° | 56° | 67° | — | — |
| 2006 | 90° | 55° | 72° | — | — |
| 2005 | 74° | 59° | 66° | — | — |
| 2004 | 87° | 63° | 75° | — | — |
| 2003 | 77° | 64° | 71° | — | — |
| 2002warmest | 96° | 89° | 93° | — | — |
| 2001 | 100° | 57° | 79° | — | — |
| 2000 | 85° | 54° | 69° | — | — |
| 1999 | 82° | 63° | 72° | — | — |
| 1998 | 72° | 59° | 65° | — | — |
| 1996 | 83° | 64° | 73° | — | — |
| 1995 | 93° | 59° | 76° | — | — |
| 1994 | 83° | 64° | 73° | — | — |
| 1993 | 85° | 52° | 68° | — | — |
| 1992 | — | 68° | — | — | — |
| 1991 | 95° | 68° | 82° | — | — |
| 1990 | 81° | 60° | 70° | — | — |
| 1989 | 92° | 56° | 74° | — | — |
| 1988 | 75° | 50° | 63° | — | — |
| 1987 | 85° | 63° | 74° | — | — |
| 1986coldest | 65° | 57° | 61° | 0.28" | — |
| 1985 | 90° | 62° | 76° | — | — |
| 1984 | 79° | 67° | 73° | — | — |
| 1983 | 85° | 64° | 74° | — | — |
| 1982 | 96° | 66° | 81° | — | — |
| 1981 | 84° | 62° | 73° | — | — |
| 1980 | 89° | 57° | 73° | — | — |
| 1979 | 84° | 67° | 75° | — | — |
| 1978 | 107° | 62° | 85° | — | — |
| 1977 | 85° | 56° | 70° | — | — |
| 1976 | 73° | 65° | 69° | — | — |
| 1975 | 103° | 57° | 80° | — | — |
| 1974 | 83° | 64° | 73° | — | — |
| 1973 | 77° | 53° | 65° | — | — |
| 1972 | 77° | 65° | 71° | — | — |
| 1971 | 85° | 53° | 69° | — | — |
54 years of data from GILLESPIE FLD