Weather on September 13
Round Rock, TX
55 Years of Data
Avg High
91°F
Avg Low
68°F
Warmest
1999
86°F avg
Coldest
1974
66°F avg
About This Date
September 13th in Round Rock, TX typically brings hot fall weather, with average highs around 91°F and lows near 68°F. Over 53 years of records, the warmest September 13th was in 1999 (86°F average), while the coldest was 1974 (66°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 28% of September 13th dates historically, with the wettest September 13th recording 6.38" 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 13th in Round Rock, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 67° | 81° | — | — |
| 2024 | 93° | 66° | 80° | — | — |
| 2023 | 93° | 71° | 82° | — | — |
| 2022 | 89° | 66° | 78° | — | — |
| 2021 | 91° | 66° | 79° | — | — |
| 2020 | 89° | 65° | 77° | — | — |
| 2019 | 96° | 70° | 83° | — | — |
| 2018 | 84° | 70° | 77° | 1.04" | — |
| 2017 | 90° | 59° | 74° | — | — |
| 2016 | 92° | 67° | 79° | — | — |
| 2015 | 87° | 60° | 74° | — | — |
| 2014 | 93° | 58° | 75° | 0.23" | — |
| 2013 | 96° | 68° | 82° | — | — |
| 2012 | 97° | 73° | 85° | — | — |
| 2011 | 104° | 65° | 84° | — | — |
| 2010 | 95° | 73° | 84° | — | — |
| 2009 | 72° | 68° | 70° | 6.38" | — |
| 2008 | 95° | 75° | 85° | — | — |
| 2007 | 90° | 69° | 79° | — | — |
| 2005 | 92° | 68° | 80° | — | — |
| 2004 | 93° | 70° | 81° | — | — |
| 2003 | 80° | 64° | 72° | 2.74" | — |
| 2002 | 92° | 70° | 81° | — | — |
| 2001 | 86° | 64° | 75° | — | — |
| 2000 | 99° | 70° | 84° | — | — |
| 1999warmest | 98° | 73° | 86° | — | — |
| 1998 | 73° | 70° | 71° | 0.28" | — |
| 1997 | 93° | 71° | 82° | — | — |
| 1996 | 86° | 65° | 75° | — | — |
| 1994 | 84° | 70° | 77° | 0.97" | — |
| 1993 | 91° | 73° | 82° | 0.97" | — |
| 1992 | 85° | 69° | 77° | — | — |
| 1991 | 89° | 69° | 79° | — | — |
| 1990 | 87° | 70° | 78° | — | — |
| 1989 | 93° | 69° | 81° | — | — |
| 1988 | 96° | 69° | 83° | 0.18" | — |
| 1987 | 94° | 72° | 83° | 0.69" | — |
| 1986 | 91° | 67° | 79° | — | — |
| 1985 | 86° | 69° | 78° | 0.15" | — |
| 1984 | 97° | 70° | 83° | — | — |
| 1983 | 94° | 66° | 80° | — | — |
| 1982 | 97° | 62° | 79° | 0.25" | — |
| 1981 | 95° | 70° | 82° | 0.28" | — |
| 1980 | 96° | 66° | 81° | — | — |
| 1979 | 97° | 65° | 81° | — | — |
| 1978 | 91° | 74° | 82° | 0.05" | — |
| 1977 | 95° | 68° | 82° | — | — |
| 1976 | 89° | 70° | 79° | — | — |
| 1975 | 75° | 61° | 68° | 0.66" | — |
| 1974coldest | 74° | 59° | 66° | 2.79" | — |
| 1973 | 95° | 74° | 84° | — | — |
| 1972 | 97° | 72° | 84° | — | — |
| 1971 | 93° | 68° | 81° | — | — |
53 years of data from GEORGETOWN