Weather on September 16
El Cajon, CA
55 Years of Data
Avg High
84°F
Avg Low
62°F
Warmest
2014
89°F avg
Coldest
1982
65°F avg
About This Date
September 16th in El Cajon, CA typically brings warm fall weather, with average highs around 84°F and lows near 62°F. Over 54 years of records, the warmest September 16th was in 2014 (89°F average), while the coldest was 1982 (65°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 6% of September 16th dates historically, with the wettest September 16th recording 1.68" 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 16th in El Cajon, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 67° | 81° | — | — |
| 2024 | 72° | 59° | 65° | — | — |
| 2023 | 71° | 65° | 68° | — | — |
| 2022 | 80° | 58° | 69° | — | — |
| 2021 | 81° | 62° | 71° | — | — |
| 2020 | 100° | 60° | 80° | — | — |
| 2019 | 88° | 66° | 77° | — | — |
| 2018 | 91° | 62° | 77° | — | — |
| 2017 | 78° | 63° | 70° | — | — |
| 2016 | 82° | 53° | 68° | — | — |
| 2015 | 80° | 66° | 73° | 0.3" | — |
| 2014warmest | 104° | 74° | 89° | — | — |
| 2013 | 89° | 64° | 77° | — | — |
| 2012 | 89° | 64° | 77° | — | — |
| 2011 | 75° | 61° | 68° | — | — |
| 2010 | 84° | 56° | 70° | — | — |
| 2009 | 85° | 58° | 71° | — | — |
| 2008 | 96° | 61° | 78° | — | — |
| 2007 | 77° | 59° | 68° | — | — |
| 2006 | 84° | 55° | 70° | — | — |
| 2005 | 72° | 60° | 66° | — | — |
| 2004 | 85° | 67° | 76° | — | — |
| 2003 | 87° | 63° | 75° | — | — |
| 2002 | 85° | 60° | 72° | — | — |
| 2001 | 88° | 61° | 74° | — | — |
| 2000 | 102° | 65° | 83° | — | — |
| 1999 | 77° | 55° | 66° | — | — |
| 1998 | 76° | 64° | 70° | — | — |
| 1996 | 80° | 65° | 72° | — | — |
| 1995 | 82° | 66° | 74° | — | — |
| 1994 | 80° | 60° | 70° | — | — |
| 1993 | 70° | 61° | 65° | — | — |
| 1992 | 92° | 63° | 77° | — | — |
| 1991 | 87° | 59° | 73° | — | — |
| 1990 | 90° | 63° | 76° | — | — |
| 1989 | 68° | 83° | 75° | — | — |
| 1988 | 80° | 62° | 71° | — | — |
| 1987 | 82° | 63° | 72° | — | — |
| 1986 | 82° | 59° | 71° | — | — |
| 1985 | 81° | 54° | 67° | — | — |
| 1984 | 96° | 70° | 83° | — | — |
| 1983 | 91° | 62° | 77° | — | — |
| 1982coldest | 69° | 60° | 65° | 0.3" | — |
| 1981 | 95° | 61° | 78° | — | — |
| 1980 | 92° | 58° | 75° | — | — |
| 1979 | 100° | 70° | 85° | — | — |
| 1978 | 76° | 61° | 68° | 1.68" | — |
| 1977 | 77° | 59° | 68° | — | — |
| 1976 | 76° | 64° | 70° | — | — |
| 1975 | 97° | 67° | 82° | — | — |
| 1974 | 85° | 56° | 70° | — | — |
| 1973 | 80° | 58° | 69° | — | — |
| 1972 | 84° | 59° | 72° | — | — |
| 1971 | 81° | 67° | 74° | — | — |
54 years of data from GILLESPIE FLD