Weather on September 11
Austin, TX
55 Years of Data
Avg High
92°F
Avg Low
70°F
Warmest
2000
90°F avg
Coldest
2018
69°F avg
About This Date
September 11th in Austin, TX typically brings hot fall weather, with average highs around 92°F and lows near 70°F. Over 55 years of records, the warmest September 11th was in 2000 (90°F average), while the coldest was 2018 (69°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 11th dates historically, with the wettest September 11th recording 5.97" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for September 11th in Austin, TX? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 68° | 82° | — | — |
| 2024 | 91° | 74° | 82° | — | — |
| 2023 | 98° | 75° | 87° | — | — |
| 2022 | 92° | 72° | 82° | — | — |
| 2021 | 93° | 65° | 79° | — | — |
| 2020 | 87° | 63° | 75° | — | — |
| 2019 | 100° | 74° | 87° | — | — |
| 2018coldest | 73° | 65° | 69° | 1.24" | — |
| 2017 | 85° | 56° | 70° | — | — |
| 2016 | 91° | 63° | 77° | 0.05" | — |
| 2015 | 93° | 75° | 84° | — | — |
| 2014 | 99° | 78° | 88° | — | — |
| 2013 | 90° | 71° | 80° | 0.76" | — |
| 2012 | 93° | 55° | 74° | — | — |
| 2011 | 97° | 60° | 78° | — | — |
| 2010 | 94° | 75° | 84° | — | — |
| 2009 | 80° | 71° | 76° | 2.67" | — |
| 2008 | 95° | 71° | 83° | — | — |
| 2007 | 92° | 71° | 81° | — | — |
| 2006 | 96° | 70° | 83° | 0.03" | — |
| 2005 | 91° | 67° | 79° | 0.3" | — |
| 2004 | 93° | 64° | 79° | — | — |
| 2003 | 95° | 70° | 82° | 1.6" | — |
| 2002 | 93° | 74° | 83° | — | — |
| 2001 | 87° | 71° | 79° | — | — |
| 2000warmest | 102° | 77° | 90° | — | — |
| 1999 | 97° | 73° | 85° | — | — |
| 1998 | 75° | 72° | 73° | 5.97" | — |
| 1997 | 93° | 73° | 83° | — | — |
| 1996 | 91° | 70° | 80° | — | — |
| 1995 | 91° | 70° | 80° | — | — |
| 1994 | 86° | 70° | 78° | — | — |
| 1993 | 97° | 73° | 85° | — | — |
| 1992 | 91° | 68° | 80° | 0.08" | — |
| 1991 | 91° | 69° | 80° | — | — |
| 1990 | 90° | 71° | 80° | — | — |
| 1989 | 96° | 76° | 86° | — | — |
| 1988 | 97° | 64° | 80° | — | — |
| 1987 | 94° | 67° | 80° | — | — |
| 1986 | 93° | 76° | 84° | 1.3" | — |
| 1985 | 80° | 72° | 76° | 0.36" | — |
| 1984 | 95° | 71° | 83° | — | — |
| 1983 | 91° | 71° | 81° | — | — |
| 1982 | 99° | 71° | 85° | — | — |
| 1981 | 93° | 69° | 81° | — | — |
| 1980 | 92° | 73° | 82° | — | — |
| 1979 | 91° | 69° | 80° | — | — |
| 1978 | 83° | 73° | 78° | 2.59" | — |
| 1977 | 96° | 77° | 87° | — | — |
| 1976 | 87° | 63° | 75° | — | — |
| 1975 | 90° | 74° | 82° | — | — |
| 1974 | 87° | 73° | 80° | 0.05" | — |
| 1973 | 92° | 76° | 84° | — | — |
| 1972 | 96° | 76° | 86° | — | — |
| 1971 | 86° | 75° | 81° | — | — |
55 years of data from AUSTIN 6S