Weather on September 11
Temecula, CA
55 Years of Data
Avg High
88°F
Avg Low
60°F
Warmest
1983
87°F avg
Coldest
1982
61°F avg
About This Date
September 11th in Temecula, CA typically brings warm fall weather, with average highs around 88°F and lows near 60°F — a 28°F daily swing. Over 52 years of records, the warmest September 11th was in 1983 (87°F average), while the coldest was 1982 (61°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 8% of September 11th dates historically, with the wettest September 11th recording 3.18" 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 11th in Temecula, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 59° | 70° | — | — |
| 2024 | 84° | 57° | 70° | — | — |
| 2023 | 87° | 67° | 77° | — | — |
| 2022 | 89° | 69° | 79° | 0.74" | — |
| 2021 | 98° | 71° | 85° | — | — |
| 2020 | 92° | 67° | 79° | — | — |
| 2019 | 83° | 62° | 72° | — | — |
| 2018 | 84° | 55° | 70° | 0.02" | — |
| 2017 | 102° | 67° | 85° | — | — |
| 2016 | 87° | 56° | 71° | — | — |
| 2015 | 94° | 75° | 84° | — | — |
| 2014 | 94° | 70° | 82° | — | — |
| 2013 | 83° | 58° | 71° | — | — |
| 2012 | 74° | 67° | 70° | — | — |
| 2011 | 83° | 58° | 70° | — | — |
| 2010 | 83° | 55° | 69° | — | — |
| 2009 | 91° | 65° | 78° | — | — |
| 2008 | 81° | 59° | 70° | — | — |
| 2007 | 93° | 69° | 81° | — | — |
| 2006 | 93° | 65° | 79° | — | — |
| 2005 | 72° | 53° | 62° | — | — |
| 2004 | 95° | 71° | 83° | — | — |
| 2003 | 87° | 61° | 74° | — | — |
| 2002 | 86° | 64° | 75° | — | — |
| 2001 | 80° | 54° | 67° | — | — |
| 2000 | 99° | 65° | 82° | — | — |
| 1999 | 86° | 57° | 72° | — | — |
| 1998 | 84° | 58° | 71° | — | — |
| 1997 | 83° | 61° | 72° | — | — |
| 1996 | 89° | 65° | 77° | — | — |
| 1995 | 92° | 67° | 79° | — | — |
| 1994 | 80° | 57° | 69° | — | — |
| 1993 | 91° | 58° | 74° | — | — |
| 1992 | 89° | 55° | 72° | — | — |
| 1991 | 76° | 53° | 64° | — | — |
| 1989 | 84° | 47° | 65° | — | — |
| 1988 | 94° | 55° | 74° | — | — |
| 1987 | 97° | 52° | 74° | — | — |
| 1986 | 86° | 57° | 72° | — | — |
| 1985 | 76° | 48° | 62° | — | — |
| 1984 | 74° | 69° | 71° | 0.03" | — |
| 1983warmest | 107° | 67° | 87° | — | — |
| 1982coldest | 82° | 40° | 61° | — | — |
| 1981 | 98° | 56° | 77° | — | — |
| 1980 | 91° | 51° | 71° | — | — |
| 1979 | 107° | 63° | 85° | — | — |
| 1978 | 85° | 60° | 72° | — | — |
| 1977 | 91° | 59° | 75° | — | — |
| 1976 | 75° | 62° | 69° | 3.18" | — |
| 1975 | 80° | 53° | 67° | — | — |
| 1974 | 97° | 56° | 76° | — | — |
| 1973 | 85° | 57° | 71° | — | — |
52 years of data from FALLBROOK 5 NE