Weather on September 7
Rialto, CA
55 Years of Data
About This Date
September 7th in Rialto, CA typically brings hot fall weather, with average highs around 94°F and lows near 64°F — a 30°F daily swing. Over 48 years of records, the warmest September 7th was in 2011 (88°F average), while the coldest was 2010 (64°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 7th dates historically.
Planning for September 7th in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 69° | 84° | — | — |
| 2017 | 93° | 68° | 81° | — | — |
| 2016 | 89° | 61° | 75° | — | — |
| 2015 | 94° | 69° | 81° | — | — |
| 2014 | 95° | 74° | 84° | — | — |
| 2013 | 96° | 74° | 85° | — | — |
| 2012 | 88° | 66° | 77° | — | — |
| 2011warmest | 101° | 76° | 88° | — | — |
| 2010coldest | 71° | 57° | 64° | — | — |
| 2009 | 89° | 64° | 77° | — | — |
| 2008 | 94° | 70° | 82° | — | — |
| 2007 | 87° | 57° | 72° | — | — |
| 2006 | 91° | 64° | 78° | — | — |
| 2005 | 95° | 62° | 79° | — | — |
| 2004 | 104° | 65° | 84° | — | — |
| 2003 | 94° | 65° | 79° | — | — |
| 2002 | 84° | 56° | 70° | — | — |
| 2001 | 85° | 56° | 70° | — | — |
| 2000 | 97° | 67° | 82° | — | — |
| 1999 | 94° | 60° | 77° | — | — |
| 1998 | 98° | 67° | 82° | — | — |
| 1997 | 101° | 68° | 84° | — | — |
| 1996 | 97° | 65° | 81° | — | — |
| 1995 | 95° | 70° | 82° | — | — |
| 1994 | 96° | 65° | 80° | — | — |
| 1993 | 98° | 65° | 81° | — | — |
| 1992 | 87° | 61° | 74° | — | — |
| 1991 | 85° | 62° | 73° | — | — |
| 1990 | 98° | 66° | 82° | — | — |
| 1989 | 89° | 56° | 72° | — | — |
| 1988 | 96° | 66° | 81° | — | — |
| 1987 | 92° | 57° | 74° | — | — |
| 1986 | 96° | 61° | 78° | — | — |
| 1985 | 81° | 61° | 71° | — | — |
| 1984 | 104° | 69° | 87° | — | — |
| 1983 | 98° | 65° | 81° | — | — |
| 1982 | 103° | 65° | 84° | — | — |
| 1981 | 100° | 68° | 84° | — | — |
| 1980 | 88° | 61° | 74° | — | — |
| 1979 | 105° | 64° | 85° | — | — |
| 1978 | 82° | 58° | 70° | — | — |
| 1977 | 105° | 66° | 86° | — | — |
| 1976 | 97° | 63° | 80° | — | — |
| 1975 | 95° | 67° | 81° | 0.08" | — |
| 1974 | 100° | 65° | 82° | — | — |
| 1973 | 95° | 57° | 76° | — | — |
| 1972 | 84° | 66° | 75° | — | — |
| 1971 | 103° | 67° | 85° | — | — |
Rialto, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Rialto, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rialto, 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 Rialto, CA
Rialto, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.