September weather in Frederick, OK
The average temperature in Frederick in September is 76.1°F (64.2°F–88.0°F). Average precipitation: inches.
September is a fall month in Frederick, and is warmer than the annual average of 63.6°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
88.0°F
Avg Low
64.2°F
Precipitation
in
Daylight
12h 12m
September records in Frederick
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (2000) | 62.1°F (2017) | 0.39 in (2010) |
| September 2 | 107.1°F (2000) | 64.0°F (2006) | 0.82 in (2006) |
| September 3 | 107.1°F (2000) | 60.1°F (2025) | 0.67 in (1999) |
| September 4 | 109.0°F (2000) | 57.9°F (2010) | 1.06 in (2001) |
| September 5 | 108.0°F (1998) | 57.9°F (2011) | 3.00 in (2018) |
| September 6 | 102.9°F (2019) | 55.0°F (2011) | 0.71 in (2014) |
| September 7 | 109.0°F (2023) | 55.0°F (2017) | 0.14 in (2012) |
| September 8 | 111.9°F (2023) | 55.0°F (2017) | 1.79 in (2010) |
| September 9 | 100.0°F (2014) | 50.0°F (2020) | 1.62 in (2020) |
| September 10 | 104.0°F (2000) | 50.0°F (2020) | 0.45 in (2016) |
| September 11 | 107.1°F (2000) | 57.0°F (2001) | 1.51 in (2005) |
| September 12 | 104.0°F (2011) | 55.0°F (2014) | 1.19 in (2009) |
| September 13 | 107.1°F (2011) | 52.0°F (2014) | 0.81 in (2009) |
| September 14 | 100.0°F (2000) | 57.0°F (1999) | 0.89 in (2005) |
| September 15 | 98.1°F (2013) | 53.1°F (2003) | 0.61 in (2001) |
| September 16 | 98.1°F (2025) | 50.0°F (2008) | 0.18 in (2011) |
| September 17 | 99.0°F (2004) | 52.0°F (2008) | 1.75 in (2017) |
| September 18 | 100.0°F (2024) | 54.0°F (2000) | 0.54 in (2016) |
| September 19 | 102.9°F (2024) | 51.1°F (2003) | 0.20 in (2007) |
| September 20 | 102.9°F (2024) | 50.0°F (2003) | 1.31 in (2019) |
| September 21 | 102.9°F (1998) | 52.0°F (1999) | 2.29 in (2018) |
| September 22 | 102.0°F (2023) | 46.0°F (1999) | 0.82 in (2024) |
| September 23 | 107.1°F (2023) | 48.0°F (1999) | 0.45 in (2004) |
| September 24 | 99.0°F (1998) | 50.0°F (2000) | 0.72 in (2004) |
| September 25 | 99.0°F (1998) | 43.0°F (2000) | 0.32 in (2009) |
| September 26 | 97.0°F (1999) | 44.1°F (2000) | 1.70 in (2017) |
| September 27 | 98.1°F (2009) | 44.1°F (2000) | 2.15 in (2017) |
| September 28 | 99.0°F (2023) | 50.0°F (2000) | 0.66 in (2013) |
| September 29 | 100.0°F (1998) | 46.9°F (2020) | 0.50 in (2012) |
| September 30 | 99.0°F (1998) | 45.0°F (1999) | 0.79 in (2004) |