Weather on September 20
South Gate, CA
55 Years of Data
About This Date
September 20th in South Gate, CA typically brings warm fall weather, with average highs around 81°F and lows near 63°F. Over 56 years of records, the warmest September 20th was in 2015 (84°F average), while the coldest was 1988 (63°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 5% of September 20th dates historically. 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 20th in South Gate, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 83° | 65° | 74° | — | — |
| 2025 | 84° | 65° | 74° | — | — |
| 2024 | 72° | 61° | 66° | — | — |
| 2023 | 75° | 66° | 71° | — | — |
| 2022 | 80° | 63° | 71° | — | — |
| 2021 | 84° | 62° | 73° | — | — |
| 2020 | 82° | 62° | 72° | — | — |
| 2019 | 82° | 65° | 73° | — | — |
| 2018 | 82° | 63° | 72° | — | — |
| 2017 | 80° | 63° | 71° | — | — |
| 2016 | 89° | 71° | 80° | — | — |
| 2015warmest | 98° | 70° | 84° | — | — |
| 2014 | 78° | 66° | 72° | — | — |
| 2013 | 72° | 66° | 69° | — | — |
| 2012 | 89° | 65° | 77° | — | — |
| 2011 | 78° | 61° | 69° | — | — |
| 2010 | 80° | 62° | 71° | — | — |
| 2009 | 85° | 65° | 75° | — | — |
| 2008 | 78° | 61° | 69° | — | — |
| 2007 | 72° | 58° | 65° | — | — |
| 2006 | 82° | 62° | 72° | — | — |
| 2005 | 74° | 61° | 67° | 0.29" | — |
| 2004 | 76° | 59° | 67° | — | — |
| 2003 | 81° | 60° | 70° | — | — |
| 2002 | 79° | 61° | 70° | — | — |
| 2001 | 77° | 62° | 70° | — | — |
| 2000 | 81° | 65° | 73° | — | — |
| 1999 | 76° | 55° | 65° | — | — |
| 1998 | 74° | 67° | 70° | — | — |
| 1997 | 80° | 63° | 71° | — | — |
| 1996 | 86° | 66° | 76° | — | — |
| 1995 | 82° | 64° | 73° | — | — |
| 1994 | 83° | 64° | 73° | — | — |
| 1993 | 75° | 62° | 69° | — | — |
| 1992 | 89° | 60° | 75° | — | — |
| 1991 | 88° | 64° | 76° | — | — |
| 1990 | 77° | 67° | 72° | — | — |
| 1989 | 80° | 58° | 69° | — | — |
| 1988coldest | 67° | 60° | 63° | 0.04" | — |
| 1987 | 86° | 60° | 73° | — | — |
| 1986 | 75° | 58° | 66° | — | — |
| 1985 | 83° | 61° | 72° | — | — |
| 1984 | 90° | 71° | 80° | — | — |
| 1983 | 85° | 74° | 79° | 0.05" | — |
| 1982 | 82° | 63° | 72° | — | — |
| 1981 | 89° | 67° | 78° | — | — |
| 1980 | 81° | 64° | 72° | — | — |
| 1979 | 91° | 69° | 80° | — | — |
| 1978 | 90° | 59° | 74° | — | — |
| 1977 | 78° | 61° | 69° | — | — |
| 1976 | 75° | 67° | 71° | — | — |
| 1975 | 85° | 65° | 75° | — | — |
| 1974 | 80° | 63° | 71° | — | — |
| 1973 | 75° | 60° | 68° | — | — |
| 1972 | 88° | 60° | 74° | — | — |
| 1971 | 74° | 63° | 68° | — | — |
South Gate, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
South Gate, CA Monthly Precipitation
Average rainfall per month, in inches.
South Gate, 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 South Gate, CA
Most pleasant months in South Gate, CA: January, February, March, April, May, June, October, November, December.
What to expect on September 20th
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 20th outlook →