Weather on September 10
San Bernardino, CA
55 Years of Data
Avg High
90°F
Avg Low
62°F
Warmest
1983
89°F avg
Coldest
1985
63°F avg
About This Date
September 10th in San Bernardino, CA typically brings hot fall weather, with average highs around 90°F and lows near 62°F — a 28°F daily swing. Over 48 years of records, the warmest September 10th was in 1983 (89°F average), while the coldest was 1985 (63°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 10th dates historically, with the wettest September 10th recording 4.55" of rain.
Planning for September 10th in San Bernardino, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 64° | 74° | — | — |
| 2017 | 96° | 73° | 85° | — | — |
| 2016 | 92° | 67° | 79° | — | — |
| 2015 | 94° | 75° | 84° | — | — |
| 2014 | 97° | 63° | 80° | — | — |
| 2013 | 89° | 64° | 77° | — | — |
| 2012 | 90° | 73° | 81° | — | — |
| 2011 | 79° | 60° | 69° | — | — |
| 2010 | 86° | 50° | 68° | — | — |
| 2009 | 100° | 62° | 81° | — | — |
| 2008 | 87° | 61° | 74° | — | — |
| 2007 | 94° | 56° | 75° | — | — |
| 2006 | 96° | 52° | 74° | — | — |
| 2005 | 79° | 59° | 69° | — | — |
| 2004 | 100° | 69° | 85° | — | — |
| 2003 | 85° | 58° | 71° | — | — |
| 2002 | 98° | 53° | 76° | — | — |
| 2001 | 85° | 51° | 68° | — | — |
| 2000 | 94° | 54° | 74° | — | — |
| 1999 | 94° | 62° | 78° | — | — |
| 1998 | 88° | 63° | 75° | — | — |
| 1997 | 100° | 70° | 85° | — | — |
| 1996 | 99° | 64° | 81° | — | — |
| 1995 | 90° | 58° | 74° | — | — |
| 1994 | 94° | 65° | 79° | — | — |
| 1993 | 105° | 66° | 86° | — | — |
| 1992 | 89° | 59° | 74° | — | — |
| 1991 | 77° | 60° | 69° | — | — |
| 1990 | 101° | 66° | 83° | — | — |
| 1989 | 85° | 54° | 69° | — | — |
| 1988 | 86° | 58° | 72° | — | — |
| 1987 | 89° | 58° | 73° | — | — |
| 1986 | 82° | 60° | 71° | — | — |
| 1985coldest | 73° | 53° | 63° | 0.25" | — |
| 1984 | 90° | 69° | 79° | — | — |
| 1983warmest | 103° | 76° | 89° | — | — |
| 1982 | 85° | 65° | 75° | — | — |
| 1981 | 95° | 64° | 80° | — | — |
| 1980 | 85° | 60° | 72° | — | — |
| 1979 | 108° | 68° | 88° | — | — |
| 1978 | 88° | 56° | 72° | — | — |
| 1977 | 95° | 63° | 79° | — | — |
| 1976 | 83° | 67° | 75° | 4.55" | — |
| 1975 | 76° | 62° | 69° | — | — |
| 1974 | 97° | 64° | 80° | — | — |
| 1973 | 75° | 61° | 68° | — | — |
| 1972 | 75° | 63° | 69° | — | — |
| 1971 | 106° | 67° | 86° | — | — |
48 years of data from NORTON AFB