Weather on September 28
Round Rock, TX
55 Years of Data
Avg High
88°F
Avg Low
63°F
Warmest
2005
86°F avg
Coldest
1996
53°F avg
About This Date
September 28th in Round Rock, TX typically brings warm fall weather, with average highs around 88°F and lows near 63°F — a 25°F daily swing. Over 55 years of records, the warmest September 28th was in 2005 (86°F average), while the coldest was 1996 (53°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 13% of September 28th dates historically, with the wettest September 28th recording 3.61" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for September 28th in Round Rock, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 61° | 76° | — | — |
| 2024 | 92° | 62° | 77° | — | — |
| 2023 | 96° | 70° | 83° | — | — |
| 2022 | 89° | 58° | 73° | — | — |
| 2021 | 91° | 62° | 77° | — | — |
| 2020 | 90° | 64° | 77° | — | — |
| 2019 | 95° | 74° | 84° | — | — |
| 2018 | 79° | 60° | 69° | — | — |
| 2017 | 81° | 69° | 75° | 1.07" | — |
| 2016 | 76° | 60° | 68° | — | — |
| 2015 | 90° | 63° | 76° | — | — |
| 2014 | 77° | 64° | 71° | 0.08" | — |
| 2013 | 89° | 74° | 81° | 0.46" | — |
| 2012 | 86° | 66° | 76° | — | — |
| 2011 | 96° | 62° | 79° | — | — |
| 2010 | 77° | 50° | 64° | — | — |
| 2009 | 94° | 69° | 81° | — | — |
| 2008 | 89° | 57° | 73° | — | — |
| 2007 | 93° | 67° | 80° | — | — |
| 2006 | 92° | 56° | 74° | — | — |
| 2005warmest | 105° | 67° | 86° | — | — |
| 2004 | 84° | 66° | 75° | — | — |
| 2003 | 90° | 64° | 77° | — | — |
| 2002 | 94° | 63° | 78° | — | — |
| 2001 | 81° | 53° | 67° | — | — |
| 2000 | 80° | 51° | 66° | — | — |
| 1999 | 95° | 69° | 82° | — | — |
| 1998 | 91° | 73° | 82° | — | — |
| 1997 | 91° | 57° | 74° | — | — |
| 1996coldest | 61° | 45° | 53° | — | — |
| 1995 | 89° | 68° | 79° | — | — |
| 1994 | 89° | 62° | 76° | — | — |
| 1993 | 78° | 55° | 67° | — | — |
| 1992 | 82° | 61° | 71° | — | — |
| 1991 | 82° | 53° | 68° | — | — |
| 1990 | 90° | 67° | 78° | — | — |
| 1989 | 81° | 52° | 66° | — | — |
| 1988 | 97° | 59° | 78° | — | — |
| 1987 | 81° | 70° | 75° | — | — |
| 1986 | 92° | 74° | 83° | — | — |
| 1985 | 86° | 66° | 76° | — | — |
| 1984 | 82° | 56° | 69° | — | — |
| 1983 | 88° | 60° | 74° | — | — |
| 1982 | 94° | 68° | 81° | — | — |
| 1981 | 95° | 62° | 79° | — | — |
| 1980 | 88° | 62° | 75° | 2.59" | — |
| 1979 | 95° | 59° | 77° | — | — |
| 1978 | 84° | 58° | 71° | 0.28" | — |
| 1977 | 99° | 70° | 84° | — | — |
| 1976 | 73° | 61° | 67° | 3.61" | — |
| 1975 | 89° | — | — | — | — |
| 1974 | 83° | 72° | 77° | — | — |
| 1973 | 83° | 58° | 70° | 2.74" | — |
| 1972 | 92° | 70° | 81° | — | — |
| 1971 | 92° | 72° | 82° | — | — |
55 years of data from GEORGETOWN