Weather on September 1
West Covina, CA
55 Years of Data
About This Date
September 1st in West Covina, CA typically brings hot fall weather, with average highs around 93°F and lows near 63°F — a 30°F daily swing. Over 55 years of records, the warmest September 1st was in 1998 (94°F average), while the coldest was 1973 (68°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 1st in West Covina, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 67° | 81° | — | — |
| 2024 | 95° | 61° | 78° | — | — |
| 2023 | 89° | 63° | 76° | — | — |
| 2022 | 105° | 74° | 89° | — | — |
| 2021 | 80° | 66° | 73° | — | — |
| 2020 | 88° | 60° | 74° | — | — |
| 2019 | 96° | 65° | 80° | — | — |
| 2018 | 87° | 63° | 75° | — | — |
| 2017 | 108° | 72° | 90° | — | — |
| 2016 | 93° | 62° | 78° | — | — |
| 2015 | 93° | 68° | 81° | — | — |
| 2014 | 96° | 65° | 80° | — | — |
| 2013 | 98° | 71° | 85° | — | — |
| 2012 | 100° | 57° | 79° | — | — |
| 2011 | 92° | 53° | 72° | — | — |
| 2010 | 97° | 55° | 76° | — | — |
| 2009 | 102° | 70° | 86° | — | — |
| 2008 | 92° | 65° | 78° | — | — |
| 2007 | 108° | 70° | 89° | — | — |
| 2006 | 100° | 57° | 79° | — | — |
| 2005 | 94° | 54° | 74° | — | — |
| 2004 | 104° | 58° | 81° | — | — |
| 2003 | 94° | 62° | 78° | — | — |
| 2002 | 113° | 69° | 91° | — | — |
| 2001 | 92° | 59° | 75° | — | — |
| 2000 | 77° | 59° | 68° | — | — |
| 1999 | 82° | 59° | 71° | — | — |
| 1998warmest | 111° | 77° | 94° | — | — |
| 1997 | 98° | 62° | 80° | — | — |
| 1996 | 96° | 61° | 78° | — | — |
| 1995 | 100° | 65° | 82° | — | — |
| 1994 | 88° | 61° | 74° | — | — |
| 1993 | 93° | 63° | 78° | — | — |
| 1992 | 82° | 61° | 71° | — | — |
| 1991 | 93° | 63° | 78° | — | — |
| 1990 | 90° | 59° | 74° | — | — |
| 1989 | 90° | 55° | 72° | — | — |
| 1988 | 91° | 64° | 78° | — | — |
| 1987 | 107° | 66° | 87° | — | — |
| 1986 | 85° | 65° | 75° | — | — |
| 1985 | 96° | 67° | 81° | — | — |
| 1984 | 93° | 69° | 81° | — | — |
| 1983 | 92° | 65° | 78° | — | — |
| 1982 | 100° | 64° | 82° | — | — |
| 1981 | 89° | 62° | 76° | — | — |
| 1980 | 83° | 57° | 70° | — | — |
| 1979 | 85° | 64° | 74° | — | — |
| 1978 | 90° | 60° | 75° | — | — |
| 1977 | 85° | 60° | 72° | — | — |
| 1976 | 92° | 65° | 78° | — | — |
| 1975 | 85° | 57° | 71° | — | — |
| 1974 | 95° | 57° | 76° | — | — |
| 1973coldest | 82° | 53° | 68° | — | — |
| 1972 | 86° | 66° | 76° | — | — |
| 1971 | 88° | 58° | 73° | — | — |
West Covina, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
West Covina, CA Monthly Precipitation
Average rainfall per month, in inches.
West Covina, 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 West Covina, CA
Most pleasant months in West Covina, CA: May.