September weather in Bethany, OK
The average temperature in Bethany in September is 74.2°F (63.3°F–85.2°F). Average precipitation: 3.00 inches.
September is a fall month in Bethany, and is warmer than the annual average of 61.4°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
85.2°F
Avg Low
63.3°F
Precipitation
3.00 in
Daylight
12h 13m
September records in Bethany
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (2000) | 61.0°F (2017) | 1.26 in (2022) |
| September 2 | 105.1°F (2000) | 62.1°F (2006) | 0.54 in (2010) |
| September 3 | 107.1°F (1998) | 57.9°F (2025) | 0.04 in (2008) |
| September 4 | 106.0°F (1998) | 53.1°F (2010) | 0.94 in (2021) |
| September 5 | 105.1°F (1998) | 53.1°F (2011) | 0.80 in (2012) |
| September 6 | 102.9°F (1998) | 51.1°F (2017) | 1.26 in (2014) |
| September 7 | 102.9°F (2023) | 52.0°F (2011) | 0.75 in (2018) |
| September 8 | 99.0°F (2015) | 50.0°F (2004) | 1.53 in (2010) |
| September 9 | 95.0°F (2014) | 48.9°F (2004) | 1.50 in (2016) |
| September 10 | 100.0°F (2000) | 50.0°F (2001) | 1.29 in (1999) |
| September 11 | 104.0°F (2000) | 54.0°F (2001) | 1.24 in (2023) |
| September 12 | 100.0°F (2011) | 51.1°F (2022) | 1.08 in (2010) |
| September 13 | 100.9°F (2011) | 50.0°F (2014) | 1.07 in (2012) |
| September 14 | 100.9°F (2000) | 54.0°F (1999) | 0.73 in (2005) |
| September 15 | 96.1°F (1997) | 50.0°F (2008) | 0.45 in (1998) |
| September 16 | 97.0°F (1997) | 48.0°F (2008) | 1.01 in (2009) |
| September 17 | 97.0°F (1997) | 51.1°F (2008) | 1.50 in (2006) |
| September 18 | 97.0°F (1997) | 50.0°F (2006) | 0.95 in (2002) |
| September 19 | 100.0°F (2024) | 46.0°F (2003) | 0.63 in (2002) |
| September 20 | 102.0°F (2008) | 48.0°F (2003) | 1.46 in (2015) |
| September 21 | 99.0°F (2024) | 45.0°F (1999) | 3.69 in (2018) |
| September 22 | 96.1°F (2005) | 39.9°F (1999) | 1.02 in (2011) |
| September 23 | 96.1°F (2023) | 48.0°F (2009) | 0.38 in (2000) |
| September 24 | 93.0°F (2012) | 46.0°F (2000) | 1.05 in (2019) |
| September 25 | 93.9°F (2005) | 43.0°F (2000) | 0.36 in (2016) |
| September 26 | 93.0°F (2013) | 39.0°F (2000) | 1.48 in (2017) |
| September 27 | 93.9°F (2021) | 45.0°F (1996) | 2.61 in (2017) |
| September 28 | 93.9°F (2021) | 46.9°F (2003) | 1.70 in (2013) |
| September 29 | 95.0°F (2023) | 41.0°F (2020) | 0.15 in (2012) |
| September 30 | 96.1°F (1998) | 46.0°F (1999) | 1.49 in (2021) |