Weather on September 14
San Ramon, CA
55 Years of Data
Avg High
81°F
Avg Low
56°F
Warmest
1971
95°F avg
Coldest
1980
53°F avg
About This Date
September 14th in San Ramon, CA typically brings warm fall weather, with average highs around 81°F and lows near 56°F — a 25°F daily swing. Over 54 years of records, the warmest September 14th was in 1971 (95°F average), while the coldest was 1980 (53°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 14th dates historically, with the wettest September 14th recording 0.74" of rain. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for September 14th in San Ramon, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 53° | 65° | — | — |
| 2024 | 86° | 60° | 73° | — | — |
| 2023 | 83° | 65° | 74° | — | — |
| 2022 | 66° | 50° | 58° | — | — |
| 2021 | 87° | 67° | 77° | — | — |
| 2020 | 80° | 64° | 72° | — | — |
| 2019 | 90° | 71° | 80° | — | — |
| 2018 | 68° | 50° | 59° | — | — |
| 2017 | 70° | 53° | 61° | 0.05" | — |
| 2016 | 67° | 46° | 56° | — | — |
| 2015 | 88° | 58° | 73° | — | — |
| 2014 | 91° | 68° | 80° | — | — |
| 2013 | 83° | 50° | 66° | — | — |
| 2012 | 88° | 66° | 77° | — | — |
| 2011 | 83° | 67° | 75° | — | — |
| 2010 | 74° | 49° | 61° | — | — |
| 2009 | 67° | 51° | 59° | 0.74" | — |
| 2008 | 88° | 50° | 69° | — | — |
| 2007 | 71° | 45° | 58° | — | — |
| 2006 | 68° | 52° | 60° | — | — |
| 2005 | 69° | 51° | 60° | — | — |
| 2004 | 92° | 56° | 74° | — | — |
| 2003 | 98° | 64° | 81° | — | — |
| 2002 | 91° | 52° | 71° | — | — |
| 2001 | 91° | 55° | 73° | — | — |
| 2000 | 78° | 59° | 69° | — | — |
| 1999 | 76° | 53° | 64° | — | — |
| 1998 | 89° | 59° | 74° | — | — |
| 1997 | 79° | 55° | 67° | — | — |
| 1996 | 76° | 53° | 64° | — | — |
| 1995 | 78° | 56° | 67° | — | — |
| 1994 | 87° | 51° | 69° | — | — |
| 1993 | 74° | 53° | 63° | — | — |
| 1992 | 71° | 52° | 61° | — | — |
| 1991 | 81° | 52° | 66° | — | — |
| 1990 | 77° | 56° | 66° | — | — |
| 1989 | 93° | 63° | 78° | — | — |
| 1988 | 81° | 55° | 68° | — | — |
| 1987 | 61° | 49° | 55° | — | — |
| 1986 | 68° | 46° | 57° | — | — |
| 1985 | 78° | 50° | 64° | — | — |
| 1984 | 91° | 65° | 78° | — | — |
| 1983 | 93° | 71° | 82° | — | — |
| 1982 | 84° | 53° | 69° | — | — |
| 1981 | 81° | 62° | 71° | — | — |
| 1980coldest | 59° | 46° | 53° | — | — |
| 1979 | 101° | 73° | 87° | — | — |
| 1978 | 80° | 55° | 68° | — | — |
| 1977 | 78° | 50° | 64° | — | — |
| 1976 | 82° | 52° | 67° | — | — |
| 1975 | 83° | 49° | 66° | — | — |
| 1974 | 80° | 48° | 64° | — | — |
| 1973 | 79° | 47° | 63° | — | — |
| 1971warmest | 107° | 82° | 95° | — | — |
54 years of data from LIVERMORE CALIFORNIA