Weather on September 7
Pomona, CA
55 Years of Data
Avg High
91°F
Avg Low
62°F
Warmest
2024
91°F avg
Coldest
1978
64°F avg
About This Date
September 7th in Pomona, CA typically brings hot fall weather, with average highs around 91°F and lows near 62°F — a 29°F daily swing. Over 52 years of records, the warmest September 7th was in 2024 (91°F average), while the coldest was 1978 (64°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 7th dates historically. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for September 7th in Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 67° | 81° | — | — |
| 2024warmest | 103° | 79° | 91° | — | — |
| 2023 | 89° | 58° | 73° | — | — |
| 2022 | 102° | 75° | 89° | — | — |
| 2021 | 89° | 65° | 77° | — | — |
| 2020 | 90° | 69° | 79° | — | — |
| 2019 | 90° | 63° | 76° | — | — |
| 2018 | 93° | 61° | 77° | — | — |
| 2017 | 91° | 64° | 78° | — | — |
| 2016 | 84° | 59° | 72° | — | — |
| 2015 | 97° | 68° | 82° | — | — |
| 2014 | 101° | 71° | 86° | — | — |
| 2013 | 100° | 72° | 86° | — | — |
| 2012 | 90° | 66° | 78° | — | — |
| 2011 | 104° | 72° | 88° | — | — |
| 2010 | 71° | 61° | 66° | — | — |
| 2009 | 89° | 59° | 74° | — | — |
| 2008 | 94° | 65° | 79° | — | — |
| 2007 | 85° | 55° | 70° | — | — |
| 2006 | 90° | 61° | 75° | — | — |
| 2005 | — | 60° | — | — | — |
| 2004 | 103° | 60° | 81° | — | — |
| 2003 | 95° | 64° | 80° | — | — |
| 2002 | 91° | 68° | 80° | — | — |
| 2001 | 87° | 62° | 75° | — | — |
| 2000 | 94° | 64° | 79° | — | — |
| 1999 | 91° | 54° | 72° | — | — |
| 1998 | 87° | 63° | 75° | — | — |
| 1994 | 93° | 58° | 75° | — | — |
| 1993 | 91° | 61° | 76° | — | — |
| 1992 | 86° | 56° | 71° | — | — |
| 1991 | 80° | 58° | 69° | — | — |
| 1990 | 97° | 62° | 79° | — | — |
| 1989 | 83° | 52° | 67° | — | — |
| 1988 | 97° | 61° | 79° | — | — |
| 1987 | 90° | 50° | 70° | — | — |
| 1986 | 90° | 60° | 75° | — | — |
| 1985 | 80° | 56° | 68° | — | — |
| 1984 | 102° | 63° | 82° | — | — |
| 1983 | 92° | 59° | 75° | — | — |
| 1982 | 93° | 57° | 75° | — | — |
| 1981 | 94° | 61° | 77° | — | — |
| 1980 | 87° | 57° | 72° | — | — |
| 1979 | 89° | 60° | 75° | — | — |
| 1978coldest | 74° | 54° | 64° | 0.18" | — |
| 1977 | 98° | 63° | 80° | — | — |
| 1976 | 85° | 62° | 73° | — | — |
| 1975 | 90° | 60° | 75° | — | — |
| 1974 | 94° | 62° | 78° | — | — |
| 1973 | 86° | 54° | 70° | — | — |
| 1972 | 83° | 66° | 74° | — | — |
| 1971 | 92° | 66° | 79° | — | — |
52 years of data from POMONA/FAIRPLEX