Weather on September 16
Round Rock, TX
55 Years of Data
Avg High
90°F
Avg Low
66°F
Warmest
2024
84°F avg
Coldest
1995
59°F avg
About This Date
September 16th in Round Rock, TX typically brings hot fall weather, with average highs around 90°F and lows near 66°F. Over 55 years of records, the warmest September 16th was in 2024 (84°F average), while the coldest was 1995 (59°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 16th dates historically, with the wettest September 16th recording 2.59" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for September 16th 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 | 95° | 67° | 81° | — | — |
| 2024warmest | 99° | 70° | 84° | — | — |
| 2023 | 85° | 71° | 78° | 0.18" | — |
| 2022 | 90° | 64° | 77° | — | — |
| 2021 | 89° | 68° | 79° | — | — |
| 2020 | 88° | 71° | 79° | — | — |
| 2019 | 95° | 69° | 82° | — | — |
| 2018 | 82° | 71° | 77° | 0.86" | — |
| 2017 | 91° | 71° | 81° | — | — |
| 2016 | 92° | 70° | 81° | — | — |
| 2015 | 91° | 73° | 82° | — | — |
| 2014 | 87° | 67° | 77° | — | — |
| 2013 | 93° | 71° | 82° | — | — |
| 2012 | 77° | 63° | 70° | — | — |
| 2011 | 96° | 69° | 83° | — | — |
| 2010 | 93° | 73° | 83° | — | — |
| 2009 | 82° | 65° | 73° | — | — |
| 2008 | 76° | 59° | 67° | — | — |
| 2007 | 90° | 65° | 77° | — | — |
| 2006 | 91° | 74° | 82° | — | — |
| 2005 | 94° | 71° | 82° | — | — |
| 2004 | 93° | 56° | 74° | — | — |
| 2003 | 85° | 64° | 74° | — | — |
| 2002 | 82° | 69° | 76° | — | — |
| 2001 | 90° | 69° | 79° | — | — |
| 2000 | 98° | 64° | 81° | — | — |
| 1999 | 91° | 60° | 76° | — | — |
| 1998 | 83° | 71° | 77° | 1.04" | — |
| 1997 | 96° | 70° | 83° | — | — |
| 1996 | 92° | 67° | 79° | 0.13" | — |
| 1995coldest | 93° | 24° | 59° | — | — |
| 1994 | 87° | 70° | 78° | 0.08" | — |
| 1993 | 77° | 54° | 65° | — | — |
| 1992 | 89° | 65° | 77° | — | — |
| 1991 | 90° | 71° | 80° | — | — |
| 1990 | 94° | 72° | 83° | — | — |
| 1989 | 82° | 54° | 68° | — | — |
| 1988 | 97° | 69° | 83° | — | — |
| 1987 | 93° | 68° | 81° | 2.59" | — |
| 1986 | 90° | 73° | 81° | — | — |
| 1985 | 80° | 66° | 73° | — | — |
| 1984 | 85° | 60° | 72° | — | — |
| 1983 | 91° | 62° | 77° | — | — |
| 1982 | 94° | 70° | 82° | — | — |
| 1981 | 85° | 64° | 74° | — | — |
| 1980 | 97° | 65° | 81° | — | — |
| 1979 | 83° | 48° | 65° | — | — |
| 1978 | 94° | 70° | 82° | 0.38" | — |
| 1977 | 95° | 65° | 80° | — | — |
| 1976 | 93° | 68° | 81° | — | — |
| 1975 | 87° | 64° | 76° | 1.63" | — |
| 1974 | 88° | 71° | 79° | 0.05" | — |
| 1973 | 88° | 61° | 74° | — | — |
| 1972 | 95° | 71° | 83° | 0.18" | — |
| 1971 | 94° | 70° | 82° | 0.13" | — |
55 years of data from GEORGETOWN