Weather on September 13
El Cajon, CA
55 Years of Data
Avg High
86°F
Avg Low
63°F
Warmest
1971
90°F avg
Coldest
2005
64°F avg
About This Date
September 13th in El Cajon, CA typically brings warm fall weather, with average highs around 86°F and lows near 63°F. Over 54 years of records, the warmest September 13th was in 1971 (90°F average), while the coldest was 2005 (64°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 13th 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 | 79° | 65° | 72° | — | — |
| 2024 | 78° | 64° | 71° | — | — |
| 2023 | 79° | 64° | 71° | — | — |
| 2022 | 84° | 68° | 76° | — | — |
| 2021 | 94° | 65° | 79° | — | — |
| 2020 | 91° | 58° | 74° | — | — |
| 2019 | 96° | 62° | 79° | — | — |
| 2018 | 92° | 58° | 75° | — | — |
| 2017 | 82° | 67° | 74° | — | — |
| 2016 | 74° | 64° | 69° | — | — |
| 2015 | 90° | 70° | 80° | — | — |
| 2014 | 100° | 68° | 84° | — | — |
| 2013 | 89° | 61° | 75° | — | — |
| 2012 | 91° | 68° | 80° | — | — |
| 2011 | 82° | 62° | 72° | — | — |
| 2010 | 88° | 58° | 73° | — | — |
| 2009 | 83° | 64° | 73° | — | — |
| 2008 | 80° | 73° | 77° | — | — |
| 2007 | 85° | 63° | 74° | — | — |
| 2006 | 92° | 64° | 78° | — | — |
| 2005coldest | 73° | 56° | 64° | — | — |
| 2004 | 93° | 66° | 80° | — | — |
| 2003 | 91° | 61° | 76° | — | — |
| 2002 | 91° | 61° | 76° | — | — |
| 2001 | 85° | 58° | 71° | — | — |
| 2000 | 93° | 65° | 79° | — | — |
| 1999 | 92° | 62° | 77° | — | — |
| 1998 | 78° | 62° | 70° | — | — |
| 1996 | 87° | 62° | 75° | — | — |
| 1995 | 97° | 61° | 79° | — | — |
| 1994 | 74° | 60° | 67° | — | — |
| 1993 | 75° | 62° | 69° | — | — |
| 1992 | 86° | 61° | 73° | — | — |
| 1991 | 73° | 62° | 68° | — | — |
| 1990 | 96° | 60° | 78° | — | — |
| 1989 | 88° | 58° | 73° | — | — |
| 1988 | 77° | 62° | 70° | — | — |
| 1987 | 74° | 62° | 68° | — | — |
| 1986 | 77° | 59° | 68° | — | — |
| 1985 | 91° | 53° | 72° | — | — |
| 1984 | 89° | 67° | 78° | — | — |
| 1983 | 97° | 66° | 81° | — | — |
| 1982 | 80° | 63° | 71° | — | — |
| 1981 | 93° | 59° | 76° | — | — |
| 1980 | 77° | 61° | 69° | — | — |
| 1979 | 96° | 65° | 80° | — | — |
| 1978 | 71° | 59° | 65° | — | — |
| 1977 | 83° | 65° | 74° | — | — |
| 1976 | 79° | 66° | 72° | — | — |
| 1975 | 76° | 63° | 69° | — | — |
| 1974 | 84° | 61° | 72° | — | — |
| 1973 | 78° | 62° | 70° | — | — |
| 1972 | 84° | 55° | 70° | — | — |
| 1971warmest | 110° | 70° | 90° | — | — |
54 years of data from GILLESPIE FLD