Weather on September 2
El Cajon, CA
55 Years of Data
Avg High
89°F
Avg Low
65°F
Warmest
2017
90°F avg
Coldest
1999
63°F avg
About This Date
September 2nd in El Cajon, CA typically brings warm fall weather, with average highs around 89°F and lows near 65°F. Over 54 years of records, the warmest September 2nd was in 2017 (90°F average), while the coldest was 1999 (63°F) — a 27°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for September 2nd in El Cajon, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 69° | 84° | — | — |
| 2024 | 88° | 63° | 75° | — | — |
| 2023 | 82° | 71° | 77° | — | — |
| 2022 | 97° | 72° | 84° | — | — |
| 2021 | 81° | 68° | 74° | — | — |
| 2020 | 86° | 64° | 75° | — | — |
| 2019 | 92° | 71° | 81° | — | — |
| 2018 | 80° | 66° | 73° | — | — |
| 2017warmest | 106° | 74° | 90° | — | — |
| 2016 | 81° | 64° | 72° | — | — |
| 2015 | 81° | 67° | 74° | — | — |
| 2014 | 87° | 66° | 77° | — | — |
| 2013 | 88° | 70° | 79° | — | — |
| 2012 | 91° | 62° | 77° | — | — |
| 2011 | 89° | 60° | 75° | — | — |
| 2010 | 91° | 59° | 75° | — | — |
| 2009 | 100° | 69° | 85° | — | — |
| 2008 | 91° | 64° | 78° | — | — |
| 2007 | 98° | 70° | 84° | — | — |
| 2006 | 98° | 61° | 79° | — | — |
| 2005 | 80° | 59° | 70° | — | — |
| 2004 | 95° | 66° | 81° | — | — |
| 2003 | 91° | 86° | 89° | — | — |
| 2002 | 95° | 65° | 80° | — | — |
| 2001 | 90° | 66° | 78° | — | — |
| 2000 | 81° | 59° | 70° | — | — |
| 1999coldest | 76° | 51° | 63° | — | — |
| 1998 | 91° | 69° | 80° | — | — |
| 1996 | 84° | 67° | 75° | — | — |
| 1995 | 101° | 67° | 84° | — | — |
| 1994 | 84° | 64° | 74° | — | — |
| 1993 | 85° | 65° | 75° | — | — |
| 1992 | 82° | 65° | 73° | — | — |
| 1991 | 80° | 64° | 72° | — | — |
| 1990 | 85° | 62° | 73° | — | — |
| 1989 | 93° | 58° | 75° | — | — |
| 1988 | 92° | 63° | 77° | — | — |
| 1987 | 92° | 64° | 78° | — | — |
| 1986 | 82° | 64° | 73° | — | — |
| 1985 | 83° | 66° | 74° | — | — |
| 1984 | 95° | 67° | 81° | — | — |
| 1983 | 98° | 64° | 81° | — | — |
| 1982 | 109° | 64° | 87° | — | — |
| 1981 | 86° | 62° | 74° | — | — |
| 1980 | 85° | 63° | 74° | — | — |
| 1979 | 89° | 60° | 75° | — | — |
| 1978 | 89° | 61° | 75° | — | — |
| 1977 | 87° | 60° | 74° | — | — |
| 1976 | 90° | 63° | 76° | — | — |
| 1975 | 86° | 56° | 71° | — | — |
| 1974 | 91° | 66° | 79° | — | — |
| 1973 | 81° | 57° | 69° | — | — |
| 1972 | 90° | 62° | 76° | — | — |
| 1971 | 81° | 63° | 72° | — | — |
54 years of data from GILLESPIE FLD