September weather in Geronimo, OK
The average temperature in Geronimo in September is 75.1°F (62.6°F–87.6°F). Average precipitation: 2.80 inches.
September is a fall month in Geronimo, and is warmer than the annual average of 62.6°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
87.6°F
Avg Low
62.6°F
Precipitation
2.80 in
Daylight
12h 12m
September records in Geronimo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (2000) | 60.1°F (2017) | 0.30 in (2016) |
| September 2 | 108.0°F (2000) | 62.1°F (2007) | 1.11 in (2010) |
| September 3 | 109.0°F (2000) | 57.0°F (2025) | 0.06 in (2024) |
| September 4 | 109.9°F (2000) | 54.0°F (2010) | 0.38 in (2001) |
| September 5 | 109.0°F (1998) | 54.0°F (2011) | 0.69 in (2018) |
| September 6 | 102.0°F (1998) | 46.9°F (2011) | 0.61 in (2014) |
| September 7 | 108.0°F (2023) | 51.1°F (2017) | 0.82 in (2018) |
| September 8 | 111.0°F (2023) | 51.1°F (2004) | 2.27 in (2010) |
| September 9 | 100.0°F (2014) | 48.0°F (2004) | 1.92 in (2020) |
| September 10 | 102.9°F (2000) | 48.0°F (2001) | 1.08 in (2016) |
| September 11 | 107.1°F (2000) | 50.0°F (2001) | 1.06 in (2023) |
| September 12 | 104.0°F (2011) | 50.0°F (2007) | 1.89 in (2009) |
| September 13 | 108.0°F (2011) | 51.1°F (2014) | 1.03 in (2013) |
| September 14 | 100.9°F (2000) | 54.0°F (2003) | 1.35 in (2005) |
| September 15 | 100.0°F (1997) | 50.0°F (2003) | 0.80 in (2001) |
| September 16 | 100.9°F (1997) | 45.0°F (2008) | 0.86 in (2011) |
| September 17 | 102.0°F (1997) | 46.9°F (2008) | 1.23 in (2017) |
| September 18 | 100.0°F (1997) | 48.0°F (2000) | 1.20 in (2002) |
| September 19 | 102.0°F (2024) | 50.0°F (2003) | 0.43 in (2025) |
| September 20 | 102.9°F (2024) | 46.9°F (2003) | 1.07 in (2019) |
| September 21 | 100.0°F (1998) | 48.0°F (1999) | 1.61 in (2018) |
| September 22 | 99.0°F (2000) | 39.9°F (1999) | 2.54 in (2024) |
| September 23 | 102.9°F (2023) | 42.1°F (2011) | 0.42 in (2004) |
| September 24 | 98.1°F (2022) | 46.9°F (2001) | 2.01 in (2016) |
| September 25 | 98.1°F (2005) | 43.0°F (2000) | 0.46 in (2017) |
| September 26 | 95.0°F (2013) | 37.0°F (2000) | 2.69 in (2017) |
| September 27 | 97.0°F (2009) | 39.9°F (2000) | 2.59 in (2012) |
| September 28 | 98.1°F (1998) | 43.0°F (2000) | 1.58 in (2021) |
| September 29 | 99.0°F (1998) | 41.0°F (2020) | 0.47 in (2012) |
| September 30 | 99.0°F (1998) | 37.0°F (1999) | 0.52 in (2004) |