Weather on September 15
Killeen, TX
55 Years of Data
Avg High
89°F
Avg Low
68°F
Warmest
2024
87°F avg
Coldest
1993
61°F avg
About This Date
September 15th in Killeen, TX typically brings warm fall weather, with average highs around 89°F and lows near 68°F. Over 55 years of records, the warmest September 15th was in 2024 (87°F average), while the coldest was 1993 (61°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 15th dates historically, with the wettest September 15th recording 4.52" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for September 15th in Killeen, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 73° | 83° | — | — |
| 2024warmest | 99° | 76° | 87° | — | — |
| 2023 | 85° | 70° | 77° | 3.18" | — |
| 2022 | 89° | 64° | 77° | — | — |
| 2021 | 89° | 69° | 79° | — | — |
| 2020 | 88° | 71° | 79° | — | — |
| 2019 | 96° | 69° | 83° | — | — |
| 2018 | 91° | 72° | 81° | 0.3" | — |
| 2017 | 95° | 70° | 82° | — | — |
| 2016 | 92° | 70° | 81° | — | — |
| 2015 | 88° | 62° | 75° | — | — |
| 2014 | 90° | 72° | 81° | — | — |
| 2013 | 94° | 75° | 84° | — | — |
| 2012 | 82° | 65° | 73° | — | — |
| 2011 | 95° | 74° | 84° | — | — |
| 2010 | 94° | 78° | 86° | — | — |
| 2009 | 82° | 71° | 77° | — | — |
| 2008 | 78° | 63° | 70° | — | — |
| 2007 | 92° | 73° | 82° | — | — |
| 2006 | 94° | 72° | 83° | — | — |
| 2005 | 97° | 75° | 86° | — | — |
| 2004 | 85° | 71° | 78° | 1.75" | — |
| 2003 | 91° | 61° | 76° | — | — |
| 2002 | 92° | 69° | 80° | — | — |
| 2001 | 91° | 70° | 80° | — | — |
| 2000 | 94° | 71° | 82° | 0.13" | — |
| 1999 | 89° | 65° | 77° | — | — |
| 1998 | 83° | 73° | 78° | 0.18" | — |
| 1997 | 96° | 70° | 83° | — | — |
| 1996 | 88° | 65° | 76° | 0.56" | — |
| 1995 | 84° | 43° | 63° | 4.52" | — |
| 1994 | 94° | 71° | 82° | — | — |
| 1993coldest | 71° | 52° | 61° | — | — |
| 1992 | 87° | 71° | 79° | — | — |
| 1991 | 82° | 71° | 77° | 1.65" | — |
| 1990 | 89° | 70° | 79° | — | — |
| 1989 | 72° | 52° | 62° | — | — |
| 1988 | 94° | 68° | 81° | — | — |
| 1987 | 81° | 70° | 75° | 0.3" | — |
| 1986 | 88° | 71° | 79° | — | — |
| 1985 | 73° | 67° | 70° | 0.89" | — |
| 1984 | 97° | 68° | 82° | — | — |
| 1983 | 91° | 67° | 79° | — | — |
| 1982 | 96° | 64° | 80° | — | — |
| 1981 | 90° | 66° | 78° | 0.69" | — |
| 1980 | 97° | 70° | 83° | — | — |
| 1979 | 85° | 60° | 72° | — | — |
| 1978 | 92° | 74° | 83° | — | — |
| 1977 | 93° | 58° | 75° | 0.03" | — |
| 1976 | 90° | 65° | 77° | — | — |
| 1975 | 90° | 68° | 79° | 0.94" | — |
| 1974 | 78° | 65° | 71° | 0.3" | — |
| 1973 | 88° | 56° | 72° | — | — |
| 1972 | 94° | 70° | 82° | — | — |
| 1971 | 92° | 65° | 78° | — | — |
55 years of data from FT HOOD