Weather on September 4
Chula Vista, CA
55 Years of Data
Avg High
80°F
Avg Low
66°F
Warmest
1988
87°F avg
Coldest
1999
57°F avg
About This Date
September 4th in Chula Vista, CA typically brings warm fall weather, with average highs around 80°F and lows near 66°F. Over 55 years of records, the warmest September 4th was in 1988 (87°F average), while the coldest was 1999 (57°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 4th 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 4th in Chula Vista, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 69° | 75° | — | — |
| 2024 | 84° | 66° | 75° | — | — |
| 2023 | 76° | 66° | 71° | — | — |
| 2022 | 91° | 78° | 85° | — | — |
| 2021 | 84° | 64° | 74° | — | — |
| 2020 | 80° | 68° | 74° | — | — |
| 2019 | 84° | 70° | 77° | 0.28" | — |
| 2018 | 72° | 67° | 69° | — | — |
| 2017 | 78° | 70° | 74° | 0.03" | — |
| 2016 | 73° | 64° | 69° | — | — |
| 2015 | 77° | 65° | 71° | — | — |
| 2014 | 78° | 70° | 74° | — | — |
| 2013 | 86° | 70° | 78° | — | — |
| 2012 | 85° | 67° | 76° | — | — |
| 2011 | 75° | 61° | 68° | — | — |
| 2010 | 77° | 61° | 69° | — | — |
| 2009 | 83° | 70° | 76° | — | — |
| 2008 | 100° | 71° | 86° | — | — |
| 2007 | 93° | 71° | 82° | — | — |
| 2006 | 90° | 65° | 77° | — | — |
| 2005 | 83° | 62° | 72° | — | — |
| 2004 | 82° | 58° | 70° | — | — |
| 2003 | 83° | 64° | 73° | — | — |
| 2002 | 75° | 64° | 70° | — | — |
| 2001 | 79° | 66° | 72° | — | — |
| 2000 | 76° | 58° | 67° | — | — |
| 1999coldest | 71° | 43° | 57° | — | — |
| 1998 | 83° | 70° | 76° | — | — |
| 1997 | 90° | 73° | 81° | — | — |
| 1996 | 78° | 68° | 73° | — | — |
| 1995 | 83° | 68° | 75° | — | — |
| 1994 | 85° | 60° | 72° | — | — |
| 1993 | 79° | 68° | 73° | — | — |
| 1992 | 77° | 64° | 71° | — | — |
| 1991 | 75° | 64° | 70° | — | — |
| 1990 | 78° | 64° | 71° | — | — |
| 1989 | 83° | 61° | 72° | — | — |
| 1988warmest | 108° | 67° | 87° | — | — |
| 1987 | 77° | 66° | 72° | — | — |
| 1986 | 78° | 63° | 70° | — | — |
| 1985 | 76° | 64° | 70° | — | — |
| 1984 | 91° | 68° | 80° | — | — |
| 1983 | 76° | 69° | 72° | — | — |
| 1982 | 80° | 70° | 75° | — | — |
| 1981 | 72° | 67° | 69° | — | — |
| 1980 | 71° | 65° | 68° | — | — |
| 1979 | 78° | 62° | 70° | — | — |
| 1978 | 75° | 66° | 71° | — | — |
| 1977 | 73° | 65° | 69° | — | — |
| 1976 | 80° | 66° | 73° | 0.05" | — |
| 1975 | 71° | 63° | 67° | — | — |
| 1974 | 73° | 64° | 69° | — | — |
| 1973 | 69° | 63° | 66° | — | — |
| 1972 | 77° | 69° | 73° | — | — |
| 1971 | 72° | 58° | 65° | — | — |
55 years of data from CHULA VISTA