Weather on September 1
San Antonio, TX
55 Years of Data
About This Date
September 1st 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 1st was in 2020 (90°F average), while the coldest was 2017 (75°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 1st dates historically, with the wettest September 1st recording 3.18" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 1st in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 74° | 82° | — | — |
| 2024 | 93° | 73° | 83° | — | — |
| 2023 | 99° | 69° | 84° | — | — |
| 2022 | 91° | 72° | 81° | — | — |
| 2021 | 95° | 72° | 83° | — | — |
| 2020warmest | 100° | 81° | 90° | — | — |
| 2019 | 97° | 75° | 86° | — | — |
| 2018 | 95° | 74° | 84° | — | — |
| 2017coldest | 90° | 61° | 75° | — | — |
| 2016 | 94° | 73° | 83° | — | — |
| 2015 | 95° | 75° | 85° | — | — |
| 2014 | 99° | 79° | 89° | — | — |
| 2013 | 99° | 74° | 86° | — | — |
| 2012 | 98° | 77° | 88° | — | — |
| 2011 | 100° | 74° | 87° | — | — |
| 2010 | 97° | 78° | 87° | — | — |
| 2009 | 90° | 71° | 80° | — | — |
| 2008 | 91° | 71° | 81° | — | — |
| 2007 | 88° | 70° | 79° | 0.66" | — |
| 2006 | 98° | 71° | 85° | — | — |
| 2005 | 100° | 72° | 86° | — | — |
| 2004 | 93° | 70° | 81° | — | — |
| 2003 | 92° | 75° | 83° | 0.05" | — |
| 2002 | 93° | 71° | 82° | — | — |
| 2001 | 86° | 71° | 79° | 3.18" | — |
| 2000 | 102° | 74° | 88° | — | — |
| 1999 | 95° | 72° | 83° | — | — |
| 1998 | 94° | 72° | 83° | 0.03" | — |
| 1997 | 95° | 73° | 84° | — | — |
| 1996 | 88° | 69° | 78° | — | — |
| 1995 | 93° | 71° | 82° | — | — |
| 1994 | 95° | 76° | 85° | 0.71" | — |
| 1993 | 97° | 71° | 84° | — | — |
| 1992 | 96° | 78° | 87° | — | — |
| 1991 | 93° | 71° | 82° | 0.03" | — |
| 1990 | 99° | 70° | 84° | 2.08" | — |
| 1989 | 100° | 79° | 89° | — | — |
| 1988 | 97° | 72° | 84° | — | — |
| 1987 | 92° | 68° | 80° | — | — |
| 1986 | 90° | 75° | 82° | 0.76" | — |
| 1985 | 100° | 70° | 85° | — | — |
| 1984 | 93° | 73° | 83° | — | — |
| 1983 | 97° | 75° | 86° | — | — |
| 1982 | 97° | 76° | 86° | — | — |
| 1981 | 94° | 75° | 84° | 0.08" | — |
| 1980 | 95° | 76° | 85° | — | — |
| 1979 | 95° | 77° | 86° | — | — |
| 1978 | 88° | 73° | 80° | 0.1" | — |
| 1977 | 90° | 74° | 82° | 0.18" | — |
| 1976 | 89° | 76° | 82° | — | — |
| 1975 | 86° | 71° | 79° | — | — |
| 1974 | 90° | 74° | 82° | — | — |
| 1973 | 92° | 75° | 83° | — | — |
| 1972 | 93° | 70° | 81° | — | — |
| 1971 | 92° | 72° | 82° | — | — |
San Antonio, TX Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Antonio, TX Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Antonio, TX 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 San Antonio, TX
San Antonio, TX has no months that meet our "pleasant" threshold — every season has tradeoffs.