Weather on September 8
Pomona, CA
55 Years of Data
Avg High
90°F
Avg Low
62°F
Warmest
2024
93°F avg
Coldest
2010
64°F avg
About This Date
September 8th in Pomona, CA typically brings hot fall weather, with average highs around 90°F and lows near 62°F — a 28°F daily swing. Over 52 years of records, the warmest September 8th was in 2024 (93°F average), while the coldest was 2010 (64°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 6% of September 8th dates historically. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for September 8th in Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 62° | 77° | — | — |
| 2024warmest | 106° | 80° | 93° | — | — |
| 2023 | 95° | 66° | 81° | — | — |
| 2022 | 100° | 78° | 89° | — | — |
| 2021 | 92° | 65° | 78° | — | — |
| 2020 | 79° | 62° | 70° | — | — |
| 2019 | 80° | 57° | 69° | — | — |
| 2018 | 98° | 67° | 82° | — | — |
| 2017 | 86° | 63° | 74° | — | — |
| 2016 | 82° | 55° | 69° | — | — |
| 2015 | 102° | 71° | 87° | — | — |
| 2014 | 86° | 68° | 77° | — | — |
| 2013 | 94° | 67° | 80° | — | — |
| 2012 | 95° | 66° | 81° | — | — |
| 2011 | 99° | 67° | 83° | — | — |
| 2010coldest | 68° | 59° | 64° | 0.03" | — |
| 2009 | 86° | 56° | 71° | — | — |
| 2008 | 88° | — | — | — | — |
| 2007 | 85° | 57° | 71° | — | — |
| 2006 | 84° | 56° | 70° | — | — |
| 2005 | — | 58° | — | — | — |
| 2004 | 101° | 66° | 83° | — | — |
| 2003 | 88° | 60° | 74° | — | — |
| 2002 | 86° | 59° | 73° | — | — |
| 2001 | 87° | 62° | 75° | — | — |
| 2000 | 86° | 61° | 73° | — | — |
| 1999 | 91° | 53° | 72° | — | — |
| 1998 | 88° | 62° | 75° | — | — |
| 1994 | 92° | 54° | 73° | — | — |
| 1993 | 90° | 61° | 75° | — | — |
| 1992 | 85° | 55° | 70° | — | — |
| 1991 | 80° | 58° | 69° | — | — |
| 1990 | 97° | 60° | 78° | — | — |
| 1989 | 89° | 51° | 70° | — | — |
| 1988 | 92° | 64° | 78° | — | — |
| 1987 | 92° | 55° | 73° | — | — |
| 1986 | 87° | 62° | 75° | — | — |
| 1985 | 79° | 56° | 67° | — | — |
| 1984 | 110° | 65° | 87° | — | — |
| 1983 | 94° | 60° | 77° | — | — |
| 1982 | 77° | 64° | 71° | 0.03" | — |
| 1981 | 97° | 60° | 78° | — | — |
| 1980 | 82° | 58° | 70° | — | — |
| 1979 | 94° | 63° | 78° | — | — |
| 1978 | 78° | 52° | 65° | — | — |
| 1977 | 101° | 66° | 83° | — | — |
| 1976 | 93° | 64° | 79° | 0.25" | — |
| 1975 | 89° | 63° | 76° | — | — |
| 1974 | 94° | 60° | 77° | — | — |
| 1973 | 83° | 58° | 70° | — | — |
| 1972 | 79° | 65° | 72° | — | — |
| 1971 | 94° | 67° | 80° | — | — |
52 years of data from POMONA/FAIRPLEX