Weather on September 1
Chula Vista, CA
55 Years of Data
About This Date
September 1st in Chula Vista, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 65°F. Over 56 years of records, the warmest September 1st was in 2025 (79°F average), while the coldest was 1999 (54°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Chula Vista, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 81° | 63° | 72° | — | — |
| 2025warmest | 89° | 70° | 79° | — | — |
| 2024 | 73° | 67° | 70° | — | — |
| 2023 | 76° | 67° | 71° | — | — |
| 2022 | 82° | 68° | 75° | — | — |
| 2021 | 76° | 67° | 71° | — | — |
| 2020 | 76° | 68° | 72° | — | — |
| 2019 | 78° | 70° | 74° | — | — |
| 2018 | 75° | 66° | 71° | — | — |
| 2017 | 88° | 67° | 77° | — | — |
| 2016 | 75° | 68° | 72° | — | — |
| 2015 | 78° | 67° | 72° | — | — |
| 2014 | 76° | 67° | 71° | — | — |
| 2013 | 82° | 72° | 77° | — | — |
| 2012 | 87° | 64° | 76° | — | — |
| 2011 | 73° | 63° | 68° | — | — |
| 2010 | 73° | 59° | 66° | — | — |
| 2009 | 82° | 67° | 74° | — | — |
| 2008 | 76° | 69° | 72° | — | — |
| 2007 | 85° | 71° | 78° | — | — |
| 2006 | 81° | 60° | 70° | — | — |
| 2005 | 74° | 70° | 72° | — | — |
| 2004 | 83° | 59° | 71° | — | — |
| 2003 | 76° | 64° | 70° | — | — |
| 2002 | 92° | 65° | 78° | — | — |
| 2001 | 77° | 61° | 69° | — | — |
| 2000 | 76° | 60° | 68° | — | — |
| 1999coldest | 63° | 45° | 54° | — | — |
| 1998 | 82° | 73° | 78° | — | — |
| 1997 | 80° | 66° | 73° | — | — |
| 1996 | 78° | 67° | 72° | — | — |
| 1995 | 83° | 67° | 75° | — | — |
| 1994 | 75° | 65° | 70° | — | — |
| 1993 | 76° | 67° | 71° | — | — |
| 1992 | 75° | 66° | 71° | — | — |
| 1991 | 74° | 65° | 69° | — | — |
| 1990 | 76° | 67° | 71° | — | — |
| 1989 | 79° | 56° | 67° | — | — |
| 1988 | 77° | 67° | 72° | — | — |
| 1987 | 83° | 65° | 74° | — | — |
| 1986 | 74° | 64° | 69° | — | — |
| 1985 | 82° | 69° | 76° | — | — |
| 1984 | 79° | 67° | 73° | — | — |
| 1983 | 89° | 65° | 77° | — | — |
| 1982 | 85° | 64° | 74° | — | — |
| 1981 | 72° | 64° | 68° | — | — |
| 1980 | 70° | 65° | 67° | — | — |
| 1979 | 74° | 64° | 69° | — | — |
| 1978 | 72° | 66° | 69° | — | — |
| 1977 | 72° | 64° | 68° | — | — |
| 1976 | 73° | 65° | 69° | — | — |
| 1975 | 70° | 60° | 65° | — | — |
| 1974 | 70° | 61° | 65° | — | — |
| 1973 | 68° | 60° | 64° | — | — |
| 1972 | 76° | 69° | 72° | — | — |
| 1971 | 73° | 63° | 68° | — | — |
Chula Vista, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Chula Vista, CA Monthly Precipitation
Average rainfall per month, in inches.
Chula Vista, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Chula Vista, CA
Most pleasant months in Chula Vista, CA: January, February, March, April, May, June, July, August, September, October, November, December.
What to expect on September 1st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
September 1st outlook →