Weather on September 3
San Antonio, TX
55 Years of Data
Avg High
94°F
Avg Low
73°F
Warmest
1989
90°F avg
Coldest
1974
68°F avg
About This Date
September 3rd in San Antonio, TX typically brings hot fall weather, with average highs around 94°F and lows near 73°F. Over 55 years of records, the warmest September 3rd was in 1989 (90°F average), while the coldest was 1974 (68°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 3rd dates historically, with the wettest September 3rd recording 5.54" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for September 3rd in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 77° | 88° | — | — |
| 2024 | 87° | 75° | 81° | 5.08" | — |
| 2023 | 99° | 74° | 86° | — | — |
| 2022 | 94° | 76° | 85° | — | — |
| 2021 | 95° | 78° | 87° | — | — |
| 2020 | 93° | 80° | 87° | — | — |
| 2019 | 96° | 70° | 83° | — | — |
| 2018 | 97° | 76° | 86° | — | — |
| 2017 | 91° | 65° | 78° | — | — |
| 2016 | 92° | 73° | 82° | — | — |
| 2015 | 95° | 75° | 85° | — | — |
| 2014 | 98° | 76° | 87° | 0.25" | — |
| 2013 | 99° | 72° | 85° | — | — |
| 2012 | 97° | 74° | 85° | — | — |
| 2011 | 101° | 79° | 90° | — | — |
| 2010 | 97° | 69° | 83° | 5.54" | — |
| 2009 | 95° | 68° | 82° | — | — |
| 2008 | 98° | 72° | 85° | — | — |
| 2007 | 85° | 71° | 78° | 0.08" | — |
| 2006 | 97° | 74° | 85° | — | — |
| 2005 | 96° | 71° | 84° | 0.1" | — |
| 2004 | 82° | 65° | 73° | — | — |
| 2003 | 88° | 73° | 80° | — | — |
| 2002 | 93° | 72° | 82° | — | — |
| 2001 | 89° | 73° | 81° | 1.65" | — |
| 2000 | 103° | 77° | 90° | — | — |
| 1999 | 94° | 74° | 84° | 0.05" | — |
| 1998 | 95° | 72° | 83° | — | — |
| 1997 | 96° | 71° | 84° | — | — |
| 1996 | 93° | 72° | 82° | 0.03" | — |
| 1995 | 100° | 72° | 86° | — | — |
| 1994 | 96° | 72° | 84° | — | — |
| 1993 | 92° | 75° | 83° | 0.03" | — |
| 1992 | 98° | 75° | 87° | — | — |
| 1991 | 87° | 71° | 79° | — | — |
| 1990 | 90° | 69° | 79° | — | — |
| 1989warmest | 102° | 77° | 90° | — | — |
| 1988 | 96° | 71° | 84° | — | — |
| 1987 | 94° | 62° | 78° | — | — |
| 1986 | 95° | 77° | 86° | — | — |
| 1985 | 100° | 79° | 89° | — | — |
| 1984 | 87° | 70° | 78° | 1.93" | — |
| 1983 | 95° | 69° | 82° | — | — |
| 1982 | 98° | 74° | 86° | — | — |
| 1981 | 88° | 74° | 81° | 0.2" | — |
| 1980 | 93° | 72° | 82° | — | — |
| 1979 | 93° | 75° | 84° | — | — |
| 1978 | 92° | 71° | 81° | — | — |
| 1977 | 93° | 71° | 82° | — | — |
| 1976 | 91° | 75° | 83° | — | — |
| 1975 | 93° | 70° | 81° | — | — |
| 1974coldest | 76° | 61° | 68° | — | — |
| 1973 | 92° | 75° | 83° | — | — |
| 1972 | 92° | 74° | 83° | — | — |
| 1971 | 96° | 78° | 87° | — | — |
55 years of data from SAN ANTONIO INCARNATE WORD