Weather on September 29
San Bernardino, CA
55 Years of Data
Avg High
89°F
Avg Low
59°F
Warmest
1980
82°F avg
Coldest
2002
59°F avg
About This Date
September 29th in San Bernardino, CA typically brings warm fall weather, with average highs around 89°F and lows near 59°F — a 30°F daily swing. Over 48 years of records, the warmest September 29th was in 1980 (82°F average), while the coldest was 2002 (59°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 29th dates historically.
Planning for September 29th in San Bernardino, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 62° | 74° | — | — |
| 2017 | 91° | 68° | 80° | — | — |
| 2016 | 90° | 70° | 80° | — | — |
| 2015 | 88° | 65° | 76° | — | — |
| 2014 | 81° | 61° | 71° | — | — |
| 2013 | 87° | 55° | 71° | — | — |
| 2012 | 95° | 54° | 74° | — | — |
| 2011 | 93° | 59° | 76° | — | — |
| 2010 | 94° | 65° | 79° | — | — |
| 2009 | 84° | 55° | 70° | — | — |
| 2008 | 96° | 64° | 80° | — | — |
| 2007 | 80° | 56° | 68° | — | — |
| 2006 | 97° | 56° | 76° | — | — |
| 2005 | 100° | 61° | 80° | — | — |
| 2004 | 76° | 55° | 65° | — | — |
| 2003 | 96° | 60° | 78° | — | — |
| 2002coldest | 81° | 37° | 59° | — | — |
| 2001 | 102° | 59° | 81° | — | — |
| 2000 | 80° | 62° | 71° | — | — |
| 1999 | 100° | 60° | 80° | — | — |
| 1998 | 73° | 53° | 63° | — | — |
| 1997 | 93° | 64° | 79° | — | — |
| 1996 | 97° | 58° | 77° | — | — |
| 1995 | 77° | 59° | 68° | — | — |
| 1994 | 90° | 69° | 79° | — | — |
| 1993 | 97° | 61° | 79° | — | — |
| 1992 | 100° | 65° | 82° | — | — |
| 1991 | 92° | 62° | 77° | — | — |
| 1990 | 82° | 59° | 71° | — | — |
| 1989 | 89° | 60° | 75° | — | — |
| 1988 | 99° | 62° | 80° | — | — |
| 1987 | 94° | 62° | 78° | — | — |
| 1986 | 84° | 50° | 67° | — | — |
| 1985 | 75° | 62° | 69° | — | — |
| 1984 | 98° | 64° | 81° | — | — |
| 1983 | 71° | 59° | 65° | 0.3" | — |
| 1982 | 75° | 58° | 66° | — | — |
| 1981 | 80° | 61° | 70° | — | — |
| 1980warmest | 106° | 59° | 82° | — | — |
| 1979 | 90° | 61° | 75° | — | — |
| 1978 | 98° | 63° | 80° | — | — |
| 1977 | 82° | 53° | 68° | — | — |
| 1976 | 80° | 62° | 71° | 0.03" | — |
| 1975 | 83° | 53° | 68° | — | — |
| 1974 | 95° | 57° | 76° | — | — |
| 1973 | 95° | 55° | 75° | — | — |
| 1972 | 93° | 60° | 77° | — | — |
| 1971 | 81° | 46° | 63° | — | — |
48 years of data from NORTON AFB