Weather on September 11
El Monte, CA
55 Years of Data
Avg High
88°F
Avg Low
62°F
Warmest
1983
87°F avg
Coldest
1975
64°F avg
About This Date
September 11th in El Monte, CA typically brings warm fall weather, with average highs around 88°F and lows near 62°F — a 26°F daily swing. Over 55 years of records, the warmest September 11th was in 1983 (87°F average), while the coldest was 1975 (64°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 11th dates historically, with the wettest September 11th recording 5.28" of rain. The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.0°F warmer on this date compared to 20-30 years ago.
Planning for September 11th in El Monte, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 59° | 70° | — | — |
| 2024 | 83° | 58° | 70° | — | — |
| 2023 | 94° | 69° | 81° | — | — |
| 2022 | 90° | 71° | 80° | — | — |
| 2021 | 95° | 70° | 82° | — | — |
| 2020 | 92° | 70° | 81° | — | — |
| 2019 | 85° | 60° | 72° | — | — |
| 2018 | 81° | 61° | 71° | — | — |
| 2017 | 97° | 69° | 83° | — | — |
| 2016 | 91° | 59° | 75° | — | — |
| 2015 | 100° | 73° | 87° | — | — |
| 2014 | 93° | 67° | 80° | — | — |
| 2013 | 80° | 61° | 70° | — | — |
| 2012 | 81° | 71° | 76° | — | — |
| 2011 | 88° | 59° | 73° | — | — |
| 2010 | 81° | 58° | 69° | — | — |
| 2009 | 96° | 65° | 80° | — | — |
| 2008 | 78° | 61° | 69° | — | — |
| 2007 | 88° | 60° | 74° | — | — |
| 2006 | 88° | 60° | 74° | — | — |
| 2005 | 75° | 62° | 69° | — | — |
| 2004 | 96° | 67° | 81° | — | — |
| 2003 | 90° | 61° | 75° | — | — |
| 2002 | 92° | 59° | 75° | — | — |
| 2001 | 83° | 45° | 64° | — | — |
| 2000 | 101° | 54° | 77° | — | — |
| 1999 | 82° | 54° | 68° | — | — |
| 1998 | 88° | 61° | 74° | — | — |
| 1997 | 93° | 63° | 78° | — | — |
| 1996 | 93° | 56° | 74° | — | — |
| 1995 | 94° | 61° | 77° | — | — |
| 1994 | 94° | 58° | 76° | — | — |
| 1993 | 91° | 63° | 77° | — | — |
| 1992 | 86° | 58° | 72° | — | — |
| 1991 | 80° | 56° | 68° | — | — |
| 1990 | 103° | 58° | 80° | — | — |
| 1989 | 81° | 56° | 68° | — | — |
| 1988 | 79° | 55° | 67° | — | — |
| 1987 | 82° | 59° | 71° | — | — |
| 1986 | 82° | 57° | 70° | — | — |
| 1985 | 77° | 54° | 65° | — | — |
| 1984 | 78° | 69° | 74° | 0.48" | — |
| 1983warmest | 105° | 70° | 87° | — | — |
| 1982 | 83° | 64° | 73° | — | — |
| 1981 | 95° | 63° | 79° | — | — |
| 1980 | 82° | 63° | 72° | — | — |
| 1979 | 101° | 66° | 83° | — | — |
| 1978 | 84° | 63° | 73° | — | — |
| 1977 | 84° | 62° | 73° | — | — |
| 1976 | 72° | 62° | 67° | 5.28" | — |
| 1975coldest | 74° | 55° | 64° | — | — |
| 1974 | 90° | 65° | 77° | — | — |
| 1973 | 80° | 63° | 71° | — | — |
| 1972 | 77° | 62° | 70° | — | — |
| 1971 | 104° | 64° | 84° | — | — |
55 years of data from SAN GABRIEL FIRE DEPT