Weather on September 5
San Ramon, CA
55 Years of Data
About This Date
September 5th in San Ramon, CA typically brings warm fall weather, with average highs around 86°F and lows near 61°F — a 25°F daily swing. Over 55 years of records, the warmest September 5th was in 1988 (93°F average), while the coldest was 2015 (58°F) — a 35°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for September 5th in San Ramon, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 52° | 64° | — | — |
| 2024 | 93° | 65° | 79° | — | — |
| 2023 | 77° | 61° | 69° | — | — |
| 2022 | 96° | 82° | 89° | — | — |
| 2021 | 86° | 70° | 78° | — | — |
| 2020 | 88° | 73° | 80° | — | — |
| 2019 | 87° | 67° | 77° | — | — |
| 2018 | 85° | 68° | 76° | — | — |
| 2017 | 85° | 63° | 74° | — | — |
| 2016 | 71° | 48° | 60° | — | — |
| 2015coldest | 68° | 49° | 58° | — | — |
| 2014 | 84° | 63° | 73° | — | — |
| 2013 | 75° | 51° | 63° | — | — |
| 2012 | 86° | 66° | 76° | — | — |
| 2011 | 81° | 65° | 73° | — | — |
| 2010 | 86° | 62° | 74° | — | — |
| 2009 | 81° | 48° | 64° | — | — |
| 2008 | 91° | 70° | 80° | — | — |
| 2007 | 74° | 57° | 65° | — | — |
| 2006 | 99° | 53° | 76° | — | — |
| 2005 | 88° | 53° | 70° | — | — |
| 2004 | 101° | 67° | 84° | — | — |
| 2003 | 83° | 54° | 68° | — | — |
| 2002 | 78° | 53° | 66° | — | — |
| 2001 | 78° | 54° | 66° | — | — |
| 2000 | 80° | 48° | 64° | — | — |
| 1999 | 97° | 57° | 77° | — | — |
| 1998 | 91° | 66° | 79° | — | — |
| 1997 | 89° | 58° | 73° | — | — |
| 1996 | 83° | 51° | 67° | — | — |
| 1995 | 92° | 53° | 72° | — | — |
| 1994 | 93° | 62° | 78° | — | — |
| 1993 | 72° | 56° | 64° | — | — |
| 1992 | 85° | 57° | 71° | — | — |
| 1991 | 90° | 60° | 75° | — | — |
| 1990 | 87° | 55° | 71° | — | — |
| 1989 | 89° | 61° | 75° | — | — |
| 1988warmest | 107° | 79° | 93° | — | — |
| 1987 | 75° | 47° | 61° | — | — |
| 1986 | 88° | 72° | 80° | — | — |
| 1985 | 72° | 50° | 61° | — | — |
| 1984 | 94° | 72° | 83° | — | — |
| 1983 | 93° | 73° | 83° | — | — |
| 1982 | 88° | 66° | 77° | — | — |
| 1981 | 85° | 63° | 74° | — | — |
| 1980 | 85° | 64° | 74° | — | — |
| 1979 | 78° | 56° | 67° | — | — |
| 1978 | 80° | 55° | 68° | — | — |
| 1977 | 97° | 67° | 82° | — | — |
| 1976 | 89° | 75° | 82° | — | — |
| 1975 | 100° | 70° | 85° | — | — |
| 1974 | 94° | 62° | 78° | — | — |
| 1973 | 72° | 49° | 60° | — | — |
| 1972 | 85° | 59° | 72° | — | — |
| 1971 | 94° | 63° | 78° | — | — |
San Ramon, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Ramon, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Ramon, 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 Ramon, CA
San Ramon, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.