Weather on September 20
Killeen, TX
55 Years of Data
Avg High
90°F
Avg Low
67°F
Warmest
2019
88°F avg
Coldest
1991
53°F avg
About This Date
September 20th in Killeen, TX typically brings hot fall weather, with average highs around 90°F and lows near 67°F. Over 53 years of records, the warmest September 20th was in 2019 (88°F average), while the coldest was 1991 (53°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 21% of September 20th dates historically, with the wettest September 20th recording 5.54" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for September 20th in Killeen, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 72° | 83° | — | — |
| 2024 | 99° | 76° | 87° | — | — |
| 2023 | 96° | 71° | 84° | — | — |
| 2022 | 96° | 74° | 85° | — | — |
| 2021 | 101° | 73° | 87° | — | — |
| 2020 | 82° | 58° | 70° | — | — |
| 2019warmest | 98° | 78° | 88° | — | — |
| 2018 | 93° | 70° | 81° | — | — |
| 2017 | 94° | 74° | 84° | — | — |
| 2016 | 98° | 74° | 86° | — | — |
| 2014 | 89° | 75° | 82° | — | — |
| 2013 | 78° | 72° | 75° | 5.54" | — |
| 2012 | 91° | 64° | 78° | — | — |
| 2011 | 96° | 66° | 81° | — | — |
| 2010 | 89° | 68° | 79° | — | — |
| 2009 | 90° | 67° | 78° | — | — |
| 2008 | 86° | 59° | 73° | — | — |
| 2007 | 90° | 74° | 82° | — | — |
| 2006 | 89° | 59° | 74° | — | — |
| 2005 | 97° | 69° | 83° | — | — |
| 2004 | 98° | 63° | 80° | — | — |
| 2002 | 86° | 58° | 72° | 0.79" | — |
| 2001 | 93° | 73° | 83° | — | — |
| 2000 | 96° | 57° | 77° | — | — |
| 1999 | 97° | 69° | 83° | — | — |
| 1998 | 91° | 71° | 81° | — | — |
| 1997 | 96° | 70° | 83° | — | — |
| 1996 | — | 68° | — | 4.47" | — |
| 1995 | 88° | 69° | 78° | 0.64" | — |
| 1994 | 85° | 59° | 72° | — | — |
| 1993 | 92° | 63° | 77° | — | — |
| 1992 | 93° | 71° | 82° | — | — |
| 1991coldest | 55° | 52° | 53° | 3.89" | — |
| 1990 | 86° | 70° | 78° | 0.71" | — |
| 1989 | 85° | 59° | 72° | — | — |
| 1988 | 93° | 75° | 84° | — | — |
| 1987 | 79° | 62° | 70° | — | — |
| 1986 | 89° | 70° | 79° | — | — |
| 1985 | 91° | 67° | 79° | — | — |
| 1984 | 87° | 61° | 74° | — | — |
| 1983 | 86° | 60° | 73° | 0.13" | — |
| 1982 | 88° | 69° | 78° | — | — |
| 1981 | 86° | 58° | 72° | — | — |
| 1980 | 92° | 68° | 80° | — | — |
| 1979 | 81° | 65° | 73° | 1.93" | — |
| 1978 | 94° | 69° | 81° | — | — |
| 1977 | 96° | 60° | 78° | — | — |
| 1976 | 88° | 71° | 79° | 1.04" | — |
| 1975 | 92° | 61° | 76° | 1.52" | — |
| 1974 | 90° | 69° | 79° | — | — |
| 1973 | 91° | 72° | 81° | — | — |
| 1972 | 95° | 69° | 82° | — | — |
| 1971 | 76° | 47° | 61° | 0.1" | — |
53 years of data from FT HOOD