Weather on September 12
El Monte, CA
55 Years of Data
About This Date
September 12th in El Monte, CA typically brings warm fall weather, with average highs around 87°F and lows near 61°F — a 26°F daily swing. Over 55 years of records, the warmest September 12th was in 1971 (88°F average), while the coldest was 1975 (65°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 12th dates historically. 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 12th in El Monte, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 59° | 70° | — | — |
| 2024 | 83° | 58° | 70° | — | — |
| 2023 | 86° | 61° | 73° | — | — |
| 2022 | 86° | 69° | 78° | — | — |
| 2021 | 95° | 62° | 79° | — | — |
| 2020 | 90° | 66° | 78° | — | — |
| 2019 | 93° | 64° | 79° | — | — |
| 2018 | 83° | 61° | 72° | — | — |
| 2017 | 83° | 63° | 73° | — | — |
| 2016 | 82° | 60° | 71° | — | — |
| 2015 | 96° | 71° | 84° | — | — |
| 2014 | 95° | 67° | 81° | — | — |
| 2013 | 88° | 60° | 74° | — | — |
| 2012 | 84° | 70° | 77° | — | — |
| 2011 | 95° | 58° | 76° | — | — |
| 2010 | 84° | 51° | 68° | — | — |
| 2009 | 96° | 65° | 80° | — | — |
| 2008 | 74° | 64° | 69° | — | — |
| 2007 | 88° | 60° | 74° | — | — |
| 2006 | 87° | 64° | 76° | — | — |
| 2005 | 75° | 55° | 65° | — | — |
| 2004 | 94° | 64° | 79° | — | — |
| 2003 | 90° | 60° | 75° | — | — |
| 2002 | 87° | 60° | 74° | — | — |
| 2001 | 86° | 59° | 73° | — | — |
| 2000 | 107° | 63° | 85° | — | — |
| 1999 | 85° | 55° | 70° | — | — |
| 1998 | 88° | 59° | 73° | — | — |
| 1997 | 89° | 67° | 78° | — | — |
| 1996 | 89° | 55° | 72° | — | — |
| 1995 | 97° | 57° | 77° | — | — |
| 1994 | 91° | 58° | 74° | — | — |
| 1993 | 89° | 65° | 77° | — | — |
| 1992 | 90° | 58° | 74° | — | — |
| 1991 | 80° | 58° | 69° | — | — |
| 1990 | 101° | 65° | 83° | — | — |
| 1989 | 83° | 63° | 73° | — | — |
| 1988 | 79° | 59° | 69° | — | — |
| 1987 | 74° | 63° | 68° | — | — |
| 1986 | 81° | 62° | 71° | — | — |
| 1985 | 90° | 51° | 70° | — | — |
| 1984 | 85° | 68° | 76° | 0.03" | — |
| 1983 | 96° | 68° | 82° | — | — |
| 1982 | 81° | 66° | 73° | — | — |
| 1981 | 90° | 57° | 73° | — | — |
| 1980 | 82° | 62° | 72° | — | — |
| 1979 | 96° | 66° | 81° | — | — |
| 1978 | 79° | 59° | 69° | — | — |
| 1977 | 84° | 62° | 73° | — | — |
| 1976 | 79° | 60° | 69° | — | — |
| 1975coldest | 77° | 54° | 65° | — | — |
| 1974 | 83° | 65° | 74° | — | — |
| 1973 | 82° | 55° | 69° | — | — |
| 1972 | 81° | 52° | 66° | — | — |
| 1971warmest | 109° | 67° | 88° | — | — |
El Monte, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
El Monte, CA Monthly Precipitation
Average rainfall per month, in inches.
El Monte, 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 Monte, CA
El Monte, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.