Weather on September 26
El Cajon, CA
55 Years of Data
Avg High
85°F
Avg Low
61°F
Warmest
2010
83°F avg
Coldest
1998
62°F avg
About This Date
September 26th in El Cajon, CA typically brings warm fall weather, with average highs around 85°F and lows near 61°F. Over 53 years of records, the warmest September 26th was in 2010 (83°F average), while the coldest was 1998 (62°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 8% of September 26th dates historically, with the wettest September 26th recording 0.81" 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 26th in El Cajon, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 66° | 70° | — | — |
| 2024 | 82° | 60° | 71° | — | — |
| 2023 | 83° | 56° | 69° | — | — |
| 2022 | 93° | 65° | 79° | — | — |
| 2021 | 71° | 64° | 68° | — | — |
| 2020 | 84° | 61° | 72° | — | — |
| 2019 | 75° | 67° | 71° | — | — |
| 2018 | 83° | 60° | 71° | — | — |
| 2017 | 85° | 54° | 69° | — | — |
| 2016 | 98° | 64° | 81° | — | — |
| 2015 | 94° | 67° | 80° | — | — |
| 2014 | 86° | 69° | 78° | — | — |
| 2013 | 71° | 61° | 66° | — | — |
| 2012 | 82° | 60° | 71° | — | — |
| 2011 | 79° | 62° | 70° | — | — |
| 2010warmest | 105° | 61° | 83° | — | — |
| 2009 | 95° | 60° | 78° | — | — |
| 2008 | 98° | 62° | 80° | — | — |
| 2007 | 80° | 60° | 70° | — | — |
| 2006 | 90° | 55° | 72° | — | — |
| 2005 | 89° | 54° | 71° | — | — |
| 2004 | 91° | 62° | 77° | — | — |
| 2003 | 82° | 63° | 72° | — | — |
| 2002 | 85° | 63° | 74° | — | — |
| 2001 | 93° | 61° | 77° | — | — |
| 2000 | 84° | 63° | 73° | — | — |
| 1999 | 82° | 61° | 71° | — | — |
| 1998coldest | 67° | 57° | 62° | 0.08" | — |
| 1995 | 86° | 60° | 73° | — | — |
| 1994 | 86° | 67° | 76° | — | — |
| 1993 | 98° | 54° | 76° | — | — |
| 1992 | 93° | 55° | 74° | — | — |
| 1991 | 89° | 65° | 77° | — | — |
| 1990 | 85° | 57° | 71° | — | — |
| 1989 | 100° | 60° | 80° | — | — |
| 1988 | 77° | 56° | 66° | — | — |
| 1987 | 78° | 63° | 70° | — | — |
| 1986 | 72° | 55° | 63° | — | — |
| 1985 | 74° | 64° | 69° | 0.18" | — |
| 1984 | 91° | 64° | 78° | — | — |
| 1983 | 82° | 64° | 73° | 0.08" | — |
| 1982 | 73° | 66° | 70° | 0.81" | — |
| 1981 | 84° | 56° | 70° | — | — |
| 1980 | 89° | 59° | 74° | — | — |
| 1979 | 90° | 65° | 77° | — | — |
| 1978 | — | 62° | — | — | — |
| 1977 | 78° | 67° | 72° | — | — |
| 1976 | 74° | 62° | 68° | — | — |
| 1975 | 96° | 56° | 76° | — | — |
| 1974 | 71° | 64° | 68° | — | — |
| 1973 | 96° | 51° | 74° | — | — |
| 1972 | 81° | 52° | 66° | — | — |
| 1971 | 74° | 61° | 67° | — | — |
53 years of data from GILLESPIE FLD