Weather on September 26
El Monte, CA
55 Years of Data
Avg High
86°F
Avg Low
61°F
Warmest
1978
85°F avg
Coldest
1986
63°F avg
About This Date
September 26th in El Monte, CA typically brings warm fall weather, with average highs around 86°F and lows near 61°F — a 25°F daily swing. Over 55 years of records, the warmest September 26th was in 1978 (85°F average), while the coldest was 1986 (63°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 26th dates historically, with the wettest September 26th recording 2.29" 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 26th in El Monte, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 62° | 68° | — | — |
| 2024 | 83° | 55° | 69° | — | — |
| 2023 | 86° | 60° | 73° | — | — |
| 2022 | 93° | 69° | 81° | — | — |
| 2021 | 73° | 59° | 66° | — | — |
| 2020 | 86° | 61° | 73° | — | — |
| 2019 | 74° | 63° | 68° | — | — |
| 2018 | 84° | 58° | 71° | — | — |
| 2017 | 86° | 65° | 75° | — | — |
| 2016 | 85° | 73° | 79° | — | — |
| 2015 | 96° | 69° | 83° | — | — |
| 2014 | 83° | 66° | 74° | — | — |
| 2013 | 76° | 60° | 68° | — | — |
| 2012 | 83° | 65° | 74° | — | — |
| 2011 | 82° | 57° | 70° | — | — |
| 2010 | 108° | 62° | 85° | — | — |
| 2009 | 92° | 68° | 80° | — | — |
| 2008 | 91° | 63° | 77° | — | — |
| 2007 | 90° | 58° | 74° | — | — |
| 2006 | 79° | 61° | 70° | — | — |
| 2005 | 85° | 57° | 71° | — | — |
| 2004 | 92° | 52° | 72° | — | — |
| 2003 | 90° | 64° | 77° | — | — |
| 2002 | 85° | 62° | 73° | — | — |
| 2001 | 97° | 57° | 77° | — | — |
| 2000 | 88° | 58° | 73° | — | — |
| 1999 | 84° | 60° | 72° | — | — |
| 1998 | 72° | 55° | 63° | — | — |
| 1997 | 80° | 68° | 74° | — | — |
| 1996 | 78° | 63° | 70° | — | — |
| 1995 | 86° | 55° | 71° | — | — |
| 1994 | 97° | 60° | 78° | — | — |
| 1993 | 104° | 53° | 79° | — | — |
| 1992 | 96° | 59° | 78° | — | — |
| 1991 | 94° | 64° | 79° | — | — |
| 1990 | 86° | 57° | 72° | — | — |
| 1989 | 98° | 65° | 81° | — | — |
| 1988 | 82° | 54° | 68° | — | — |
| 1987 | 85° | 65° | 75° | — | — |
| 1986coldest | 78° | 49° | 63° | — | — |
| 1985 | 79° | 67° | 73° | 0.13" | — |
| 1984 | 94° | 62° | 78° | — | — |
| 1983 | 83° | 65° | 74° | 0.1" | — |
| 1982 | 79° | 65° | 72° | 2.29" | — |
| 1981 | 84° | 58° | 71° | — | — |
| 1980 | 87° | 57° | 72° | — | — |
| 1979 | 93° | 57° | 75° | — | — |
| 1978warmest | 105° | 65° | 85° | — | — |
| 1977 | 78° | 66° | 72° | — | — |
| 1976 | 77° | 60° | 69° | — | — |
| 1975 | 96° | 57° | 77° | — | — |
| 1974 | 78° | 64° | 71° | — | — |
| 1973 | 97° | 56° | 76° | — | — |
| 1972 | 81° | 56° | 68° | — | — |
| 1971 | 75° | 53° | 64° | — | — |
55 years of data from SAN GABRIEL FIRE DEPT