Weather on September 1
Round Rock, TX
55 Years of Data
Avg High
94°F
Avg Low
70°F
Warmest
2000
93°F avg
Coldest
1987
74°F avg
About This Date
September 1st in Round Rock, TX typically brings hot fall weather, with average highs around 94°F and lows near 70°F. Over 55 years of records, the warmest September 1st was in 2000 (93°F average), while the coldest was 1987 (74°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 1st dates historically, with the wettest September 1st recording 4.27" 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 Round Rock, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 69° | 77° | 0.15" | — |
| 2024 | 93° | 72° | 82° | — | — |
| 2023 | 101° | 70° | 85° | — | — |
| 2022 | 90° | 71° | 80° | 1.55" | — |
| 2021 | 97° | 72° | 84° | — | — |
| 2020 | 100° | 80° | 90° | — | — |
| 2019 | 97° | 73° | 85° | — | — |
| 2018 | 99° | 70° | 84° | — | — |
| 2017 | 90° | 65° | 77° | — | — |
| 2016 | 91° | 71° | 81° | — | — |
| 2015 | 95° | 73° | 84° | — | — |
| 2014 | 97° | 73° | 85° | — | — |
| 2013 | 101° | 74° | 87° | — | — |
| 2012 | 99° | 71° | 85° | — | — |
| 2011 | 102° | 71° | 87° | — | — |
| 2010 | 101° | 77° | 89° | — | — |
| 2009 | 91° | 67° | 79° | — | — |
| 2008 | 93° | 72° | 82° | — | — |
| 2007 | 95° | 69° | 82° | — | — |
| 2006 | 96° | 67° | 81° | — | — |
| 2005 | 98° | 71° | 85° | — | — |
| 2004 | 87° | 66° | 77° | — | — |
| 2003 | 82° | 72° | 77° | 1.24" | — |
| 2002 | 97° | 73° | 85° | — | — |
| 2001 | 80° | 72° | 76° | 0.1" | — |
| 2000warmest | 107° | 78° | 93° | — | — |
| 1999 | 99° | 69° | 84° | — | — |
| 1998 | 95° | 71° | 83° | — | — |
| 1997 | 97° | 71° | 84° | — | — |
| 1996 | 85° | 67° | 76° | 4.22" | — |
| 1995 | 92° | 69° | 80° | — | — |
| 1994 | 91° | 73° | 82° | — | — |
| 1993 | 95° | 61° | 78° | 0.25" | — |
| 1992 | 91° | 71° | 81° | 1.19" | — |
| 1991 | 87° | 69° | 78° | 0.15" | — |
| 1990 | 104° | 74° | 89° | — | — |
| 1989 | 97° | 75° | 86° | — | — |
| 1988 | 91° | 65° | 78° | — | — |
| 1987coldest | 83° | 65° | 74° | — | — |
| 1986 | 92° | 70° | 81° | 2.54" | — |
| 1985 | 101° | 74° | 87° | — | — |
| 1984 | 95° | 67° | 81° | 0.25" | — |
| 1983 | 103° | 71° | 87° | — | — |
| 1982 | 100° | 75° | 88° | — | — |
| 1981 | 87° | 67° | 77° | 4.27" | — |
| 1980 | 100° | 74° | 87° | — | — |
| 1979 | 96° | 65° | 80° | — | — |
| 1978 | 90° | 68° | 79° | — | — |
| 1977 | 99° | 68° | 83° | — | — |
| 1976 | 85° | 69° | 77° | 0.05" | — |
| 1975 | 93° | 70° | 81° | — | — |
| 1974 | 95° | 71° | 83° | — | — |
| 1973 | 94° | 70° | 82° | — | — |
| 1972 | 93° | 69° | 81° | — | — |
| 1971 | 95° | 66° | 81° | — | — |
55 years of data from GEORGETOWN