Weather on September 19
Temecula, CA
55 Years of Data
Avg High
86°F
Avg Low
57°F
Warmest
1984
86°F avg
Coldest
1989
58°F avg
About This Date
September 19th in Temecula, CA typically brings warm fall weather, with average highs around 86°F and lows near 57°F — a 29°F daily swing. Over 52 years of records, the warmest September 19th was in 1984 (86°F average), while the coldest was 1989 (58°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 19th dates historically, with the wettest September 19th recording 0.51" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for September 19th in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 65° | 77° | — | — |
| 2024 | 79° | 58° | 68° | — | — |
| 2023 | 78° | 57° | 68° | — | — |
| 2022 | 83° | 58° | 70° | — | — |
| 2021 | 82° | 55° | 69° | — | — |
| 2020 | 95° | 65° | 80° | — | — |
| 2019 | 79° | 57° | 68° | — | — |
| 2018 | 87° | 52° | 69° | — | — |
| 2017 | 80° | 62° | 71° | — | — |
| 2016 | 102° | 70° | 86° | — | — |
| 2015 | 90° | 68° | 79° | — | — |
| 2014 | 85° | 63° | 74° | — | — |
| 2013 | 82° | 57° | 70° | — | — |
| 2012 | 91° | 62° | 77° | — | — |
| 2011 | 87° | 62° | 74° | — | — |
| 2010 | 85° | 57° | 71° | — | — |
| 2009 | 90° | 62° | 76° | — | — |
| 2008 | 86° | 61° | 74° | — | — |
| 2007 | 67° | 53° | 60° | — | — |
| 2006 | 89° | 64° | 77° | — | — |
| 2005 | 83° | 54° | 68° | — | — |
| 2004 | 68° | 53° | 61° | — | — |
| 2003 | 90° | 65° | 77° | — | — |
| 2002 | 93° | 59° | 76° | — | — |
| 2001 | 82° | 60° | 71° | — | — |
| 2000 | 86° | 60° | 73° | — | — |
| 1999 | 76° | 55° | 65° | — | — |
| 1998 | 78° | 58° | 68° | — | — |
| 1997 | 83° | 59° | 71° | — | — |
| 1996 | 86° | 59° | 73° | — | — |
| 1995 | 90° | 63° | 76° | — | — |
| 1994 | 82° | 54° | 68° | — | — |
| 1993 | 79° | 56° | 67° | — | — |
| 1992 | 95° | 52° | 73° | — | — |
| 1991 | 98° | 60° | 79° | — | — |
| 1990 | 87° | 59° | 73° | — | — |
| 1989coldest | 65° | 51° | 58° | 0.51" | — |
| 1988 | 84° | 50° | 67° | — | — |
| 1987 | 86° | 52° | 69° | — | — |
| 1986 | 101° | 48° | 74° | — | — |
| 1985 | 78° | 44° | 61° | — | — |
| 1984warmest | 105° | 67° | 86° | — | — |
| 1982 | 80° | 53° | 67° | — | — |
| 1981 | 99° | 63° | 81° | — | — |
| 1980 | 92° | 53° | 72° | — | — |
| 1979 | 103° | 58° | 80° | — | — |
| 1978 | 81° | 45° | 63° | — | — |
| 1977 | 85° | 49° | 67° | — | — |
| 1976 | 79° | 60° | 69° | — | — |
| 1975 | 95° | 58° | 76° | — | — |
| 1974 | 96° | 51° | 74° | — | — |
| 1973 | 89° | 46° | 68° | — | — |
52 years of data from FALLBROOK 5 NE