Weather on September 3
Newport Beach, CA
55 Years of Data
Avg High
75°F
Avg Low
65°F
Warmest
1998
85°F avg
Coldest
1989
62°F avg
About This Date
September 3rd in Newport Beach, CA typically brings pleasant fall weather, with average highs around 75°F and lows near 65°F. Over 55 years of records, the warmest September 3rd was in 1998 (85°F average), while the coldest was 1989 (62°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of September 3rd dates historically. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for September 3rd in Newport Beach, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 68° | 73° | — | — |
| 2024 | 75° | 67° | 71° | — | — |
| 2023 | 75° | 70° | 72° | — | — |
| 2022 | 84° | 71° | 78° | — | — |
| 2021 | 71° | 64° | 68° | — | — |
| 2020 | 72° | 64° | 68° | — | — |
| 2019 | 77° | 70° | 73° | — | — |
| 2018 | 74° | 67° | 70° | — | — |
| 2017 | 84° | 75° | 80° | — | — |
| 2016 | 71° | 67° | 69° | — | — |
| 2015 | 74° | 66° | 70° | — | — |
| 2014 | 77° | 70° | 73° | — | — |
| 2013 | 76° | 67° | 71° | — | — |
| 2012 | 72° | 63° | 67° | — | — |
| 2011 | 68° | 59° | 64° | — | — |
| 2010 | 87° | 60° | 74° | — | — |
| 2009 | 95° | 70° | 82° | — | — |
| 2008 | 74° | 65° | 69° | — | — |
| 2007 | 86° | 69° | 78° | — | — |
| 2006 | 76° | 66° | 71° | — | — |
| 2005 | 71° | 61° | 66° | — | — |
| 2004 | 74° | 65° | 69° | — | — |
| 2003 | 73° | 65° | 69° | — | — |
| 2002 | 74° | 66° | 70° | — | — |
| 2001 | 72° | 68° | 70° | — | — |
| 2000 | 68° | 62° | 65° | — | — |
| 1999 | 75° | 61° | 68° | — | — |
| 1998warmest | 92° | 78° | 85° | — | — |
| 1997 | 79° | 70° | 74° | — | — |
| 1996 | 73° | 67° | 70° | — | — |
| 1995 | 72° | 65° | 68° | — | — |
| 1994 | 71° | 64° | 68° | — | — |
| 1993 | 70° | 66° | 68° | — | — |
| 1992 | 70° | 63° | 66° | — | — |
| 1991 | 67° | 64° | 65° | — | — |
| 1990 | 70° | 63° | 66° | — | — |
| 1989coldest | 68° | 56° | 62° | — | — |
| 1988 | 77° | 62° | 70° | — | — |
| 1987 | 86° | 67° | 76° | — | — |
| 1986 | 72° | 64° | 68° | — | — |
| 1985 | 67° | 64° | 65° | — | — |
| 1984 | 81° | 68° | 74° | — | — |
| 1983 | 78° | 65° | 71° | — | — |
| 1982 | 81° | 67° | 74° | — | — |
| 1981 | 74° | 64° | 69° | — | — |
| 1980 | 70° | 60° | 65° | — | — |
| 1979 | 77° | 63° | 70° | — | — |
| 1978 | 75° | 65° | 70° | — | — |
| 1977 | 72° | 63° | 67° | — | — |
| 1976 | 77° | 67° | 72° | — | — |
| 1975 | 68° | 58° | 63° | — | — |
| 1974 | 72° | 63° | 67° | — | — |
| 1973 | 69° | 62° | 66° | — | — |
| 1972 | 72° | 65° | 68° | 0.03" | — |
| 1971 | 73° | 65° | 69° | — | — |
55 years of data from NEWPORT BEACH HARBOR