Weather on September 10
El Cajon, CA
55 Years of Data
Avg High
86°F
Avg Low
64°F
Warmest
2015
86°F avg
Coldest
2005
66°F avg
About This Date
September 10th in El Cajon, CA typically brings warm fall weather, with average highs around 86°F and lows near 64°F. Over 53 years of records, the warmest September 10th was in 2015 (86°F average), while the coldest was 2005 (66°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 10th dates historically, with the wettest September 10th recording 3.12" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for September 10th in El Cajon, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 67° | 72° | — | — |
| 2024 | 98° | 69° | 84° | — | — |
| 2023 | 94° | 70° | 82° | — | — |
| 2022 | 81° | 71° | 76° | — | — |
| 2021 | 97° | 70° | 83° | — | — |
| 2020 | 92° | 56° | 74° | — | — |
| 2019 | 78° | 66° | 72° | — | — |
| 2018 | 86° | 63° | 74° | — | — |
| 2017 | 91° | 67° | 79° | — | — |
| 2016 | 89° | 60° | 75° | — | — |
| 2015warmest | 97° | 76° | 86° | — | — |
| 2014 | 93° | 67° | 80° | — | — |
| 2013 | 84° | 66° | 75° | — | — |
| 2012 | 89° | 69° | 79° | — | — |
| 2011 | 74° | 61° | 67° | — | — |
| 2010 | 79° | 53° | 66° | — | — |
| 2009 | 93° | 64° | 79° | — | — |
| 2008 | 89° | 60° | 75° | — | — |
| 2007 | 85° | 59° | 72° | — | — |
| 2006 | — | 64° | — | — | — |
| 2005coldest | 71° | 60° | 66° | — | — |
| 2004 | 89° | 68° | 79° | — | — |
| 2003 | 81° | 61° | 71° | — | — |
| 2002 | 95° | 64° | 80° | — | — |
| 2001 | 78° | 63° | 70° | — | — |
| 2000 | 90° | 54° | 72° | — | — |
| 1999 | 87° | 62° | 75° | — | — |
| 1998 | 79° | 66° | 72° | — | — |
| 1995 | 89° | 62° | 76° | — | — |
| 1994 | 86° | 64° | 75° | — | — |
| 1993 | 92° | 62° | 77° | — | — |
| 1992 | 83° | 59° | 71° | — | — |
| 1991 | 75° | 62° | 69° | — | — |
| 1990 | 100° | 66° | 83° | — | — |
| 1989 | 81° | 58° | 69° | — | — |
| 1988 | 78° | 65° | 71° | — | — |
| 1987 | 86° | 58° | 72° | — | — |
| 1986 | 77° | 61° | 69° | — | — |
| 1985 | 74° | 61° | 67° | — | — |
| 1984 | 87° | 77° | 82° | — | — |
| 1983 | 102° | 67° | 84° | — | — |
| 1982 | 86° | 66° | 76° | — | — |
| 1981 | 89° | 62° | 76° | — | — |
| 1980 | 80° | 65° | 72° | — | — |
| 1979 | 99° | 65° | 82° | — | — |
| 1978 | 82° | 60° | 71° | — | — |
| 1977 | 86° | 68° | 77° | — | — |
| 1976 | 83° | 70° | 76° | 3.12" | — |
| 1975 | 76° | 62° | 69° | — | — |
| 1974 | 88° | 62° | 75° | — | — |
| 1973 | 72° | 62° | 67° | — | — |
| 1972 | 75° | 64° | 70° | — | — |
| 1971 | 96° | 67° | 81° | — | — |
53 years of data from GILLESPIE FLD