Weather on September 1
San Leandro, CA
55 Years of Data
About This Date
September 1st in San Leandro, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 56°F. Over 53 years of records, the warmest September 1st was in 2017 (94°F average), while the coldest was 1973 (53°F) — a 41°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in San Leandro, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 62° | 78° | — | — |
| 2024 | 74° | 54° | 64° | — | — |
| 2023 | 64° | 55° | 60° | — | — |
| 2022 | 93° | 65° | 79° | — | — |
| 2021 | 66° | 51° | 59° | — | — |
| 2020 | 66° | 53° | 60° | — | — |
| 2019 | 86° | 62° | 74° | — | — |
| 2018 | 71° | 52° | 61° | — | — |
| 2017warmest | 106° | 82° | 94° | — | — |
| 2016 | 63° | 54° | 58° | — | — |
| 2015 | 73° | 56° | 64° | — | — |
| 2014 | 88° | 57° | 72° | — | — |
| 2013 | 77° | 55° | 66° | — | — |
| 2012 | 69° | 50° | 60° | — | — |
| 2011 | 79° | 52° | 65° | — | — |
| 2010 | 90° | 65° | 77° | — | — |
| 2009 | 79° | 60° | 69° | — | — |
| 2008 | 88° | 54° | 71° | — | — |
| 2007 | 90° | 59° | 74° | — | — |
| 2006 | 74° | 57° | 65° | — | — |
| 2005 | 79° | 54° | 66° | — | — |
| 2004 | 74° | 54° | 64° | — | — |
| 2003 | 86° | 58° | 72° | — | — |
| 2002 | 99° | 66° | 82° | — | — |
| 2001 | 81° | 54° | 67° | — | — |
| 2000 | 58° | 55° | 56° | — | — |
| 1999 | 72° | 50° | 61° | — | — |
| 1998 | 87° | 65° | 76° | — | — |
| 1997 | 76° | 58° | 67° | — | — |
| 1996 | 75° | 54° | 64° | — | — |
| 1995 | 67° | 53° | 60° | — | — |
| 1994 | 65° | 53° | 59° | — | — |
| 1993 | 81° | 56° | 68° | — | — |
| 1992 | 70° | 55° | 62° | — | — |
| 1989 | 82° | 54° | 68° | — | — |
| 1988 | 74° | 54° | 64° | — | — |
| 1987 | 76° | 60° | 68° | — | — |
| 1986 | 80° | 54° | 67° | — | — |
| 1985 | 85° | 55° | 70° | — | — |
| 1984 | 80° | 54° | 67° | — | — |
| 1983 | 75° | 54° | 64° | — | — |
| 1982 | 84° | 53° | 69° | — | — |
| 1981 | 81° | 51° | 66° | — | — |
| 1980 | 74° | 53° | 63° | — | — |
| 1979 | 82° | 61° | 71° | — | — |
| 1978 | 78° | 56° | 67° | — | — |
| 1977 | 73° | 54° | 63° | — | — |
| 1976 | 88° | 53° | 70° | — | — |
| 1975 | 72° | 51° | 61° | — | — |
| 1974 | 69° | 54° | 61° | — | — |
| 1973coldest | 62° | 45° | 53° | — | — |
| 1972 | 80° | 52° | 66° | — | — |
| 1971 | 73° | 54° | 63° | — | — |
San Leandro, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Leandro, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Leandro, 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 San Leandro, CA
Most pleasant months in San Leandro, CA: August.