Weather on September 18
Broken Arrow, OK
55 Years of Data
About This Date
September 18th in Broken Arrow, OK typically brings warm fall weather, with average highs around 85°F and lows near 62°F. Over 55 years of records, the warmest September 18th was in 2022 (87°F average), while the coldest was 1973 (52°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 33% of September 18th dates historically, with the wettest September 18th recording 5.51" of rain. The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.
Planning for September 18th in Broken Arrow, OK? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 69° | 78° | — | — |
| 2024 | 91° | 66° | 79° | — | — |
| 2023 | 91° | 59° | 75° | — | — |
| 2022warmest | 98° | 76° | 87° | — | — |
| 2021 | 94° | 67° | 80° | — | — |
| 2020 | 82° | 55° | 69° | — | — |
| 2019 | 93° | 73° | 83° | — | — |
| 2018 | 96° | 76° | 86° | — | — |
| 2017 | 86° | 66° | 76° | 0.05" | — |
| 2016 | 91° | 67° | 79° | — | — |
| 2015 | 90° | 67° | 78° | 0.03" | — |
| 2014 | 86° | 65° | 75° | 1.22" | — |
| 2013 | 94° | 70° | 82° | — | — |
| 2012 | 77° | 52° | 64° | 0.46" | — |
| 2011 | 81° | 64° | 72° | 0.03" | — |
| 2010 | 93° | 75° | 84° | — | — |
| 2009 | 80° | 62° | 71° | 2.36" | — |
| 2008 | 79° | 55° | 67° | — | — |
| 2007 | 88° | 70° | 79° | — | — |
| 2006 | 81° | 53° | 67° | — | — |
| 2005 | 94° | 54° | 74° | — | — |
| 2004 | 96° | 62° | 79° | — | — |
| 2003 | 83° | 53° | 68° | — | — |
| 2002 | 96° | 68° | 82° | 1.68" | — |
| 2001 | 78° | 62° | 70° | 0.51" | — |
| 2000 | 93° | 51° | 72° | — | — |
| 1999 | 73° | 63° | 68° | 0.03" | — |
| 1998 | 90° | 67° | 78° | — | — |
| 1997 | 84° | 71° | 78° | — | — |
| 1996 | 74° | 63° | 68° | — | — |
| 1995 | 88° | 65° | 76° | — | — |
| 1994 | 81° | 53° | 67° | — | — |
| 1993 | 77° | 47° | 62° | — | — |
| 1992 | 88° | 66° | 77° | — | — |
| 1991 | 80° | 57° | 69° | 1.78" | — |
| 1990 | 69° | 65° | 67° | 1.73" | — |
| 1989 | 83° | 54° | 68° | — | — |
| 1988 | 84° | 69° | 77° | 3.66" | — |
| 1987 | 94° | 59° | 76° | 0.64" | — |
| 1986 | 86° | 68° | 77° | 1.91" | — |
| 1985 | 87° | 71° | 79° | — | — |
| 1984 | 78° | 50° | 64° | — | — |
| 1983 | 94° | 75° | 84° | — | — |
| 1982 | 80° | 60° | 70° | 0.48" | — |
| 1981 | 70° | 42° | 56° | — | — |
| 1980 | 90° | 58° | 74° | — | — |
| 1979 | 85° | 56° | 70° | — | — |
| 1978 | 90° | 70° | 80° | — | — |
| 1977 | 88° | 64° | 76° | — | — |
| 1976 | 83° | 64° | 73° | 2.41" | — |
| 1975 | 75° | 64° | 70° | 2.24" | — |
| 1974 | 76° | 54° | 65° | — | — |
| 1973coldest | 62° | 41° | 52° | — | — |
| 1972 | 98° | 69° | 84° | — | — |
| 1971 | 61° | 50° | 55° | 5.51" | — |