Weather on September 12
Corona, CA
55 Years of Data
Avg High
89°F
Avg Low
59°F
Warmest
1971
89°F avg
Coldest
1972
65°F avg
About This Date
September 12th in Corona, CA typically brings warm fall weather, with average highs around 89°F and lows near 59°F — a 30°F daily swing. Over 45 years of records, the warmest September 12th was in 1971 (89°F average), while the coldest was 1972 (65°F) — a 24°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
Planning for September 12th in Corona, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 54° | 68° | — | — |
| 2024 | 83° | 58° | 70° | — | — |
| 2023 | 87° | 60° | 74° | — | — |
| 2022 | 89° | 71° | 80° | — | — |
| 2021 | 98° | 57° | 78° | — | — |
| 2020 | 90° | 51° | 70° | — | — |
| 2019 | 94° | 53° | 73° | — | — |
| 2018 | 88° | 55° | 71° | — | — |
| 2017 | 90° | 64° | 77° | — | — |
| 2016 | 78° | 54° | 66° | — | — |
| 2015 | 94° | 66° | 80° | — | — |
| 2014 | 98° | 59° | 79° | — | — |
| 2013 | 91° | 52° | 71° | — | — |
| 2012 | 90° | 64° | 77° | — | — |
| 2011 | 90° | 57° | 73° | — | — |
| 2010 | 92° | 56° | 74° | — | — |
| 2009 | 89° | 64° | 77° | — | — |
| 2008 | 79° | 60° | 69° | — | — |
| 2007 | 96° | 63° | 79° | — | — |
| 2006 | 94° | 61° | 77° | — | — |
| 2005 | 80° | 56° | 68° | — | — |
| 2004 | 93° | 68° | 81° | — | — |
| 2003 | 89° | 61° | 75° | — | — |
| 2002 | 91° | 61° | 76° | — | — |
| 2001 | 86° | 59° | 73° | — | — |
| 2000 | 108° | 61° | 84° | — | — |
| 1999 | 93° | 58° | 75° | — | — |
| 1998 | 89° | 54° | 71° | — | — |
| 1987 | 81° | 58° | 69° | — | — |
| 1986 | 80° | 58° | 69° | — | — |
| 1985 | 90° | 47° | 68° | — | — |
| 1984 | 85° | 66° | 75° | — | — |
| 1983 | 100° | 68° | 84° | — | — |
| 1982 | 81° | 59° | 70° | — | — |
| 1981 | 94° | 56° | 75° | — | — |
| 1980 | 84° | 57° | 71° | — | — |
| 1979 | 98° | 61° | 79° | — | — |
| 1978 | 78° | 57° | 68° | — | — |
| 1977 | 86° | 59° | 73° | — | — |
| 1976 | 80° | 63° | 71° | — | — |
| 1975 | 81° | 55° | 68° | — | — |
| 1974 | 90° | 58° | 74° | — | — |
| 1973 | 83° | 52° | 67° | — | — |
| 1972coldest | 82° | 49° | 65° | — | — |
| 1971warmest | 111° | 67° | 89° | — | — |
45 years of data from CORONA CALIFORNIA