Weather on September 23
Killeen, TX
55 Years of Data
Avg High
87°F
Avg Low
65°F
Warmest
2023
89°F avg
Coldest
1994
55°F avg
About This Date
September 23rd in Killeen, TX typically brings warm fall weather, with average highs around 87°F and lows near 65°F. Over 54 years of records, the warmest September 23rd was in 2023 (89°F average), while the coldest was 1994 (55°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 13% of September 23rd dates historically, with the wettest September 23rd recording 4.27" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for September 23rd in Killeen, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 76° | 87° | — | — |
| 2024 | 83° | 70° | 76° | — | — |
| 2023warmest | 100° | 77° | 89° | — | — |
| 2022 | 99° | 74° | 86° | — | — |
| 2021 | 86° | 52° | 69° | — | — |
| 2020 | 74° | 67° | 70° | — | — |
| 2019 | 97° | 75° | 86° | — | — |
| 2017 | 90° | 68° | 79° | 0.25" | — |
| 2016 | 93° | 74° | 83° | — | — |
| 2015 | 91° | 68° | 80° | — | — |
| 2014 | 87° | 64° | 76° | — | — |
| 2013 | 89° | 61° | 75° | — | — |
| 2012 | 94° | 66° | 80° | — | — |
| 2011 | 91° | 63° | 77° | — | — |
| 2010 | 92° | 76° | 84° | — | — |
| 2009 | 64° | 58° | 61° | 0.36" | — |
| 2008 | 90° | 69° | 79° | — | — |
| 2007 | 90° | 68° | 79° | — | — |
| 2006 | 95° | 72° | 83° | — | — |
| 2005 | 100° | 74° | 87° | — | — |
| 2004 | 90° | 65° | 77° | — | — |
| 2003 | 87° | 61° | 74° | 0.03" | — |
| 2002 | 87° | 63° | 75° | — | — |
| 2001 | 83° | 64° | 73° | — | — |
| 2000 | 101° | 73° | 87° | — | — |
| 1999 | 82° | 48° | 65° | — | — |
| 1998 | 94° | 70° | 82° | — | — |
| 1997 | 81° | 72° | 76° | 4.27" | — |
| 1996 | 85° | 65° | 75° | — | — |
| 1995 | 63° | 47° | 55° | — | — |
| 1994coldest | 68° | 43° | 55° | — | — |
| 1993 | 93° | 72° | 82° | — | — |
| 1992 | 87° | 65° | 76° | — | — |
| 1991 | 84° | 62° | 73° | 1.83" | — |
| 1990 | 75° | 67° | 71° | — | — |
| 1989 | 85° | 57° | 71° | — | — |
| 1988 | 92° | 69° | 80° | — | — |
| 1987 | 82° | 55° | 69° | — | — |
| 1986 | 88° | 68° | 78° | — | — |
| 1985 | 91° | 67° | 79° | — | — |
| 1984 | 90° | 68° | 79° | — | — |
| 1983 | 83° | 50° | 66° | — | — |
| 1982 | 85° | 52° | 68° | — | — |
| 1981 | 92° | 68° | 80° | — | — |
| 1980 | 94° | 72° | 83° | — | — |
| 1979 | 90° | 62° | 76° | — | — |
| 1978 | 81° | 65° | 73° | — | — |
| 1977 | 94° | 73° | 83° | — | — |
| 1976 | 90° | 51° | 70° | — | — |
| 1975 | 78° | 50° | 64° | — | — |
| 1974 | 72° | 55° | 63° | — | — |
| 1973 | 90° | 77° | 83° | — | — |
| 1972 | 82° | 61° | 71° | 0.25" | — |
| 1971 | 79° | 68° | 73° | 1.09" | — |
54 years of data from FT HOOD