Weather on September 1
Moreno Valley, CA
55 Years of Data
Avg High
95°F
Avg Low
61°F
Warmest
2007
92°F avg
Coldest
2000
63°F avg
About This Date
September 1st in Moreno Valley, CA typically brings hot fall weather, with average highs around 95°F and lows near 61°F — a 34°F daily swing. Over 55 years of records, the warmest September 1st was in 2007 (92°F average), while the coldest was 2000 (63°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 1st dates historically. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Moreno Valley, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 67° | 83° | — | — |
| 2024 | 98° | — | — | — | — |
| 2023 | 86° | 65° | 75° | — | — |
| 2022 | 110° | 72° | 91° | — | — |
| 2021 | 84° | 64° | 74° | — | — |
| 2020 | 90° | 56° | 73° | — | — |
| 2019 | 101° | 62° | 81° | — | — |
| 2018 | 86° | 58° | 72° | — | — |
| 2017 | 109° | 69° | 89° | — | — |
| 2016 | 96° | 63° | 79° | — | — |
| 2015 | 88° | 60° | 74° | — | — |
| 2014 | 98° | 59° | 79° | — | — |
| 2013 | 95° | 71° | 83° | — | — |
| 2012 | 94° | 61° | 77° | — | — |
| 2011 | 93° | 53° | 73° | — | — |
| 2010 | 95° | 59° | 77° | — | — |
| 2009 | 102° | 75° | 89° | — | — |
| 2008 | 87° | 61° | 74° | — | — |
| 2007warmest | 107° | 77° | 92° | — | — |
| 2006 | 99° | 62° | 80° | — | — |
| 2005 | 96° | 52° | 74° | — | — |
| 2004 | 106° | 62° | 84° | — | — |
| 2003 | 92° | 61° | 76° | — | — |
| 2002 | 107° | 71° | 89° | — | — |
| 2001 | 93° | 58° | 75° | — | — |
| 2000coldest | 77° | 49° | 63° | — | — |
| 1999 | 81° | 53° | 67° | — | — |
| 1998 | 106° | 70° | 88° | 0.38" | — |
| 1997 | 96° | 65° | 80° | — | — |
| 1996 | 96° | 62° | 79° | — | — |
| 1995 | 100° | 69° | 85° | 0.03" | — |
| 1994 | 87° | 61° | 74° | — | — |
| 1993 | 94° | 62° | 78° | — | — |
| 1992 | 83° | 59° | 71° | — | — |
| 1991 | 101° | 64° | 82° | — | — |
| 1990 | 95° | 60° | 78° | — | — |
| 1989 | 98° | 54° | 76° | — | — |
| 1988 | 99° | 67° | 83° | — | — |
| 1987 | 101° | 66° | 83° | — | — |
| 1986 | 87° | 57° | 72° | — | — |
| 1985 | 98° | 67° | 82° | — | — |
| 1984 | 93° | 63° | 78° | — | — |
| 1983 | 93° | 59° | 76° | — | — |
| 1982 | 105° | 59° | 82° | — | — |
| 1981 | 94° | 57° | 75° | — | — |
| 1980 | 86° | 51° | 69° | — | — |
| 1979 | 92° | 58° | 75° | — | — |
| 1978 | 97° | 61° | 79° | — | — |
| 1977 | 88° | 56° | 72° | — | — |
| 1976 | 97° | 61° | 79° | — | — |
| 1975 | 95° | 54° | 74° | — | — |
| 1974 | 101° | 61° | 81° | — | — |
| 1973 | — | 49° | — | — | — |
| 1972 | 100° | 58° | 79° | — | — |
| 1971 | 94° | 53° | 73° | — | — |
55 years of data from MARCH AFB