Weather on September 1
Santa Ana, CA
55 Years of Data
About This Date
September 1st in Santa Ana, CA typically brings warm fall weather, with average highs around 86°F and lows near 65°F. Over 55 years of records, the warmest September 1st was in 2017 (87°F average), while the coldest was 1999 (68°F) — a 19°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Santa Ana, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 69° | 80° | — | — |
| 2024 | 86° | 67° | 76° | — | — |
| 2023 | 82° | 68° | 75° | — | — |
| 2022 | 92° | 69° | 80° | — | — |
| 2021 | 75° | 66° | 71° | — | — |
| 2020 | 82° | 64° | 73° | — | — |
| 2019 | 85° | 69° | 77° | — | — |
| 2018 | 82° | 67° | 74° | — | — |
| 2017warmest | 102° | 72° | 87° | — | — |
| 2016 | 83° | 67° | 75° | — | — |
| 2015 | 82° | 70° | 76° | — | — |
| 2014 | 85° | 68° | 76° | — | — |
| 2013 | 89° | 72° | 80° | — | — |
| 2012 | 89° | 61° | 75° | — | — |
| 2011 | 84° | 63° | 73° | — | — |
| 2010 | 85° | 60° | 72° | — | — |
| 2009 | 93° | 70° | 81° | — | — |
| 2008 | 84° | 66° | 75° | — | — |
| 2007 | 98° | 70° | 84° | — | — |
| 2006 | 95° | 63° | 79° | — | — |
| 2005 | 83° | 60° | 71° | — | — |
| 2004 | 90° | 61° | 75° | — | — |
| 2003 | 82° | 64° | 73° | — | — |
| 2002 | 101° | 66° | 83° | — | — |
| 2001 | 84° | 62° | 73° | — | — |
| 2000 | 77° | 61° | 69° | — | — |
| 1999coldest | 75° | 60° | 68° | — | — |
| 1998 | 97° | 75° | 86° | — | — |
| 1997 | 89° | 63° | 76° | — | — |
| 1996 | 87° | 67° | 77° | — | — |
| 1995 | 91° | 65° | 78° | — | — |
| 1994 | 80° | 65° | 72° | — | — |
| 1993 | 84° | 66° | 75° | — | — |
| 1992 | 79° | 64° | 71° | — | — |
| 1991 | 85° | 62° | 73° | — | — |
| 1990 | 81° | 62° | 71° | — | — |
| 1989 | 83° | 61° | 72° | — | — |
| 1988 | 80° | 62° | 71° | — | — |
| 1987 | 98° | 65° | 81° | — | — |
| 1986 | 81° | 64° | 72° | — | — |
| 1985 | 87° | 69° | 78° | — | — |
| 1984 | 85° | 67° | 76° | — | — |
| 1983 | 87° | 66° | 77° | — | — |
| 1982 | 97° | 64° | 80° | — | — |
| 1981 | 82° | 64° | 73° | — | — |
| 1980 | 79° | 63° | 71° | — | — |
| 1979 | 81° | 66° | 73° | — | — |
| 1978 | 83° | 66° | 74° | — | — |
| 1977 | 80° | 64° | 72° | — | — |
| 1976 | 89° | 67° | 78° | — | — |
| 1975 | 79° | 60° | 69° | — | — |
| 1974 | 88° | 60° | 74° | — | — |
| 1973 | 78° | 60° | 69° | — | — |
| 1972 | 85° | 67° | 76° | — | — |
| 1971 | 82° | 62° | 72° | — | — |
Santa Ana, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Santa Ana, CA Monthly Precipitation
Average rainfall per month, in inches.
Santa Ana, 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 Santa Ana, CA
Most pleasant months in Santa Ana, CA: June, July.