Weather on September 25
El Cajon, CA
55 Years of Data
Avg High
85°F
Avg Low
61°F
Warmest
1985
83°F avg
Coldest
1986
64°F avg
About This Date
September 25th in El Cajon, CA typically brings warm fall weather, with average highs around 85°F and lows near 61°F. Over 54 years of records, the warmest September 25th was in 1985 (83°F average), while the coldest was 1986 (64°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 25th dates historically, with the wettest September 25th recording 1.91" of rain. 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 25th in El Cajon, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 62° | 72° | — | — |
| 2024 | 78° | 61° | 69° | — | — |
| 2023 | 82° | 62° | 72° | — | — |
| 2022 | 93° | 64° | 79° | — | — |
| 2021 | 81° | 65° | 73° | 0.1" | — |
| 2020 | 83° | 62° | 72° | — | — |
| 2019 | 81° | 65° | 73° | — | — |
| 2018 | 80° | 64° | 72° | — | — |
| 2017 | 87° | 53° | 70° | — | — |
| 2016 | 99° | 58° | 78° | — | — |
| 2015 | 98° | 68° | 83° | — | — |
| 2014 | 94° | 69° | 81° | — | — |
| 2013 | 77° | 56° | 66° | — | — |
| 2012 | 83° | 63° | 73° | — | — |
| 2011 | 76° | 62° | 69° | — | — |
| 2010 | 97° | 53° | 75° | — | — |
| 2009 | 98° | 61° | 79° | — | — |
| 2008 | 89° | 63° | 76° | — | — |
| 2007 | 75° | 57° | 66° | — | — |
| 2006 | 90° | 55° | 72° | — | — |
| 2005 | 76° | 55° | 65° | — | — |
| 2004 | 91° | 58° | 74° | — | — |
| 2003 | 83° | 62° | 72° | — | — |
| 2002 | 89° | 60° | 75° | — | — |
| 2001 | 99° | 64° | 81° | — | — |
| 2000 | 91° | 55° | 73° | — | — |
| 1999 | 85° | 63° | 74° | — | — |
| 1998 | 72° | 59° | 65° | — | — |
| 1996 | 79° | 65° | 72° | — | — |
| 1995 | 86° | 59° | 73° | — | — |
| 1994 | 92° | 64° | 78° | — | — |
| 1993 | 89° | 53° | 71° | — | — |
| 1992 | 98° | 64° | 81° | — | — |
| 1991 | 91° | 66° | 79° | — | — |
| 1990 | 83° | 58° | 70° | — | — |
| 1989 | 99° | 67° | 83° | — | — |
| 1988 | 76° | 53° | 64° | — | — |
| 1987 | 80° | 64° | 72° | — | — |
| 1986coldest | 71° | 58° | 64° | 1.91" | — |
| 1985warmest | 85° | 81° | 83° | — | — |
| 1984 | 89° | 58° | 73° | — | — |
| 1983 | 87° | 56° | 71° | — | — |
| 1982 | 86° | 69° | 78° | — | — |
| 1981 | 82° | 60° | 71° | — | — |
| 1980 | 88° | 54° | 71° | — | — |
| 1979 | 87° | 61° | 74° | — | — |
| 1978 | — | 65° | — | — | — |
| 1977 | 81° | 53° | 67° | — | — |
| 1976 | 71° | 63° | 67° | — | — |
| 1975 | 98° | 58° | 78° | — | — |
| 1974 | 79° | 64° | 71° | — | — |
| 1973 | 81° | 59° | 70° | — | — |
| 1972 | 79° | 57° | 68° | — | — |
| 1971 | 83° | 55° | 69° | — | — |
54 years of data from GILLESPIE FLD