Weather on September 7
Irvine, CA
55 Years of Data
Avg High
90°F
Avg Low
61°F
Warmest
2024
91°F avg
Coldest
1978
65°F avg
About This Date
September 7th in Irvine, CA typically brings hot fall weather, with average highs around 90°F and lows near 61°F — a 29°F daily swing. Over 55 years of records, the warmest September 7th was in 2024 (91°F average), while the coldest was 1978 (65°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 7th dates historically. 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 7th in Irvine, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 65° | 78° | — | — |
| 2024warmest | 108° | 74° | 91° | — | — |
| 2023 | 81° | 56° | 68° | — | — |
| 2022 | 101° | 71° | 86° | — | — |
| 2021 | 87° | 64° | 76° | — | — |
| 2020 | 105° | 69° | 87° | — | — |
| 2019 | 96° | 65° | 80° | — | — |
| 2018 | 88° | 60° | 74° | — | — |
| 2017 | 91° | 67° | 79° | — | — |
| 2016 | 85° | 58° | 71° | — | — |
| 2015 | 97° | 68° | 82° | — | — |
| 2014 | 100° | 66° | 83° | — | — |
| 2013 | 100° | 60° | 80° | — | — |
| 2012 | 92° | 60° | 76° | — | — |
| 2011 | 105° | 67° | 86° | — | — |
| 2010 | 88° | 57° | 72° | — | — |
| 2009 | 88° | 64° | 76° | — | — |
| 2008 | 90° | 58° | 74° | — | — |
| 2007 | 85° | 57° | 71° | — | — |
| 2006 | 93° | 62° | 78° | — | — |
| 2005 | 90° | 55° | 72° | — | — |
| 2004 | 97° | 63° | 80° | — | — |
| 2003 | 96° | 65° | 80° | — | — |
| 2002 | 96° | 60° | 78° | — | — |
| 2001 | 80° | 63° | 71° | — | — |
| 2000 | 88° | 56° | 72° | — | — |
| 1999 | 88° | 62° | 75° | — | — |
| 1998 | 87° | 67° | 77° | — | — |
| 1997 | 100° | 68° | 84° | — | — |
| 1996 | 94° | 63° | 78° | — | — |
| 1995 | 95° | 71° | 83° | — | — |
| 1994 | 94° | 58° | 76° | — | — |
| 1993 | 95° | 54° | 74° | — | — |
| 1992 | 82° | 59° | 71° | — | — |
| 1991 | 75° | 57° | 66° | — | — |
| 1990 | 97° | 59° | 78° | — | — |
| 1989 | 80° | 51° | 66° | — | — |
| 1988 | 85° | 61° | 73° | — | — |
| 1987 | 88° | 53° | 70° | — | — |
| 1986 | 81° | 62° | 71° | — | — |
| 1985 | 78° | 57° | 68° | — | — |
| 1984 | 99° | 67° | 83° | — | — |
| 1983 | 86° | 64° | 75° | — | — |
| 1982 | 83° | 52° | 67° | — | — |
| 1981 | 84° | — | — | — | — |
| 1980 | 74° | — | — | — | — |
| 1979 | 93° | 48° | 71° | — | — |
| 1978coldest | 76° | 54° | 65° | — | — |
| 1977 | 99° | 58° | 78° | — | — |
| 1976 | 82° | 63° | 72° | — | — |
| 1975 | 80° | 60° | 70° | — | — |
| 1974 | 89° | 63° | 76° | — | — |
| 1973 | 80° | 54° | 67° | — | — |
| 1972 | 79° | 65° | 72° | — | — |
| 1971 | 95° | 64° | 80° | 0.03" | — |
55 years of data from IRVINE RCH