Weather on September 23
Temecula, CA
55 Years of Data
About This Date
September 23rd in Temecula, CA typically brings warm fall weather, with average highs around 88°F and lows near 59°F — a 29°F daily swing. Over 53 years of records, the warmest September 23rd was in 2002 (89°F average), while the coldest was 1986 (59°F) — a 30°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 23rd in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 65° | 80° | — | — |
| 2024 | 89° | 56° | 72° | — | — |
| 2023 | 81° | 56° | 69° | — | — |
| 2022 | 94° | 67° | 80° | — | — |
| 2021 | 89° | 60° | 75° | — | — |
| 2020 | 92° | 62° | 77° | — | — |
| 2019 | 85° | 60° | 72° | — | — |
| 2018 | 84° | 59° | 71° | — | — |
| 2017 | 75° | 53° | 64° | — | — |
| 2016 | 83° | 56° | 69° | — | — |
| 2015 | 91° | 62° | 77° | — | — |
| 2014 | 94° | 62° | 78° | — | — |
| 2013 | 96° | 59° | 77° | — | — |
| 2012 | 103° | 66° | 85° | — | — |
| 2011 | 85° | 57° | 71° | — | — |
| 2010 | 84° | 52° | 68° | — | — |
| 2009 | 104° | 74° | 89° | — | — |
| 2008 | 87° | 59° | 73° | — | — |
| 2007 | 66° | 52° | 59° | — | — |
| 2006 | 80° | 54° | 67° | — | — |
| 2005 | 82° | 56° | 69° | — | — |
| 2004 | 92° | 62° | 77° | — | — |
| 2003 | 97° | 58° | 77° | — | — |
| 2002warmest | 104° | 74° | 89° | — | — |
| 2001 | 86° | 67° | 76° | — | — |
| 2000 | 73° | 56° | 64° | — | — |
| 1999 | 77° | 60° | 69° | — | — |
| 1998 | 75° | 52° | 63° | — | — |
| 1997 | 97° | 71° | 84° | — | — |
| 1996 | 79° | 57° | 68° | — | — |
| 1995 | 82° | 63° | 72° | — | — |
| 1994 | 85° | 62° | 73° | — | — |
| 1993 | 81° | 54° | 67° | — | — |
| 1992 | 101° | 64° | 82° | — | — |
| 1991 | 99° | 66° | 82° | — | — |
| 1990 | 79° | 60° | 69° | — | — |
| 1989 | 99° | 53° | 76° | — | — |
| 1988 | 85° | 47° | 66° | — | — |
| 1987 | — | 60° | — | — | — |
| 1986coldest | 70° | 48° | 59° | — | — |
| 1985 | 97° | 55° | 76° | — | — |
| 1984 | 85° | 62° | 73° | — | — |
| 1983 | 90° | 71° | 80° | — | — |
| 1982 | 106° | 58° | 82° | — | — |
| 1981 | 85° | 57° | 71° | — | — |
| 1980 | 94° | 54° | 74° | — | — |
| 1979 | 97° | 55° | 76° | — | — |
| 1978 | 101° | 53° | 77° | — | — |
| 1977 | 84° | 49° | 66° | — | — |
| 1976 | 77° | 59° | 68° | — | — |
| 1975 | 99° | 51° | 75° | — | — |
| 1974 | 98° | 60° | 79° | — | — |
| 1973 | 77° | 54° | 65° | — | — |
Temecula, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Temecula, CA Monthly Precipitation
Average rainfall per month, in inches.
Temecula, 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 Temecula, CA
Most pleasant months in Temecula, CA: June.