Weather on September 16
El Cajon, CA
55 Years of Data
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° | — | — |
El Cajon, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
El Cajon, CA Monthly Precipitation
Average rainfall per month, in inches.
El Cajon, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit El Cajon, CA
El Cajon, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.