Weather on September 20
Broken Arrow, OK
55 Years of Data
Avg High
84°F
Avg Low
61°F
Warmest
2022
88°F avg
Coldest
1971
50°F avg
About This Date
September 20th in Broken Arrow, OK typically brings warm fall weather, with average highs around 84°F and lows near 61°F. Over 55 years of records, the warmest September 20th was in 2022 (88°F average), while the coldest was 1971 (50°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 20th dates historically, with the wettest September 20th recording 4.85" of rain. The last decade has been 10.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 10.7°F warmer on this date compared to 20-30 years ago.
Planning for September 20th in Broken Arrow, OK? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
2.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 66° | 78° | 4.85" | — |
| 2024 | 97° | 77° | 87° | — | — |
| 2023 | 85° | 65° | 75° | 0.1" | — |
| 2022warmest | 99° | 78° | 88° | — | — |
| 2021 | 99° | 73° | 86° | — | — |
| 2020 | 79° | 55° | 67° | — | — |
| 2019 | 81° | 71° | 76° | 0.03" | — |
| 2018 | 96° | 78° | 87° | — | — |
| 2017 | 95° | 77° | 86° | — | — |
| 2016 | 97° | 75° | 86° | — | — |
| 2015 | 70° | 60° | 65° | 0.76" | — |
| 2014 | 89° | 68° | 79° | — | — |
| 2013 | 72° | 57° | 64° | 0.64" | — |
| 2012 | 86° | 64° | 75° | — | — |
| 2011 | 85° | 54° | 69° | — | — |
| 2010 | 92° | 71° | 81° | — | — |
| 2009 | 83° | 60° | 71° | — | — |
| 2008 | 84° | 59° | 72° | — | — |
| 2007 | 87° | 68° | 78° | — | — |
| 2006 | 83° | 53° | 68° | — | — |
| 2005 | 93° | 69° | 81° | — | — |
| 2004 | 89° | 60° | 75° | — | — |
| 2003 | 80° | 45° | 62° | — | — |
| 2002 | 81° | 53° | 67° | — | — |
| 2001 | 78° | 60° | 69° | — | — |
| 2000 | 78° | 48° | 63° | — | — |
| 1999 | 73° | 55° | 64° | 1.68" | — |
| 1998 | 93° | 72° | 82° | — | — |
| 1997 | 93° | 72° | 82° | — | — |
| 1996 | 80° | 49° | 64° | — | — |
| 1995 | 81° | 58° | 69° | — | — |
| 1994 | 82° | 54° | 68° | — | — |
| 1993 | 86° | 66° | 76° | 3.99" | — |
| 1992 | 76° | 59° | 67° | 2.08" | — |
| 1991 | 64° | 43° | 53° | — | — |
| 1990 | 78° | 68° | 73° | 0.33" | — |
| 1989 | 81° | 53° | 67° | — | — |
| 1988 | 77° | 50° | 64° | — | — |
| 1987 | 81° | 53° | 67° | — | — |
| 1986 | 89° | 70° | 79° | — | — |
| 1985 | 90° | 64° | 77° | — | — |
| 1984 | 86° | 49° | 67° | — | — |
| 1983 | 85° | 52° | 68° | 1.17" | — |
| 1982 | 75° | 44° | 60° | — | — |
| 1981 | 86° | 54° | 70° | — | — |
| 1980 | 98° | 75° | 87° | — | — |
| 1979 | 82° | 52° | 67° | — | — |
| 1978 | 95° | 71° | 83° | — | — |
| 1977 | 82° | 49° | 65° | — | — |
| 1976 | 77° | 64° | 71° | 0.89" | — |
| 1975 | 75° | 45° | 60° | — | — |
| 1974 | 75° | 55° | 65° | 4.11" | — |
| 1973 | 82° | 61° | 71° | — | — |
| 1972 | 99° | 68° | 83° | — | — |
| 1971coldest | 57° | 43° | 50° | 0.64" | — |
55 years of data from BIXBY