September weather in Guymon, OK
The average temperature in Guymon in September is 70.9°F (56.5°F–85.4°F). Average precipitation: 1.36 inches.
September is a fall month in Guymon, and is warmer than the annual average of 57.6°F. Daily temperatures swing about 28.9°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
85.4°F
Avg Low
56.5°F
Precipitation
1.36 in
Daylight
12h 13m
September records in Guymon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (2011) | 50.0°F (2024) | 0.30 in (2018) |
| September 2 | 102.0°F (2000) | 52.0°F (2006) | 0.69 in (2006) |
| September 3 | 105.1°F (2000) | 46.9°F (2010) | 0.04 in (1999) |
| September 4 | 106.0°F (2000) | 46.0°F (2008) | 0.42 in (2018) |
| September 5 | 105.1°F (2000) | 46.9°F (2011) | 1.04 in (2014) |
| September 6 | 105.1°F (2000) | 48.0°F (2017) | 0.65 in (2005) |
| September 7 | 105.1°F (2023) | 51.1°F (2001) | 0.20 in (2006) |
| September 8 | 97.0°F (2000) | 39.9°F (2020) | 1.05 in (2020) |
| September 9 | 99.0°F (2010) | 37.0°F (2020) | 0.49 in (2020) |
| September 10 | 102.9°F (2021) | 42.1°F (2020) | 1.21 in (2002) |
| September 11 | 106.0°F (2021) | 42.1°F (2007) | 0.75 in (2023) |
| September 12 | 100.9°F (2021) | 43.0°F (2014) | 0.64 in (2014) |
| September 13 | 100.0°F (2024) | 44.1°F (2014) | 0.99 in (2013) |
| September 14 | 100.9°F (2015) | 44.1°F (2012) | 0.25 in (2002) |
| September 15 | 98.1°F (2017) | 43.0°F (2012) | 0.57 in (2001) |
| September 16 | 99.0°F (2015) | 43.0°F (2012) | 0.73 in (2001) |
| September 17 | 102.9°F (2004) | 46.0°F (2006) | 0.45 in (2001) |
| September 18 | 100.9°F (2005) | 44.1°F (2012) | 1.17 in (2024) |
| September 19 | 99.0°F (2021) | 35.1°F (2003) | 0.19 in (2013) |
| September 20 | 99.0°F (2005) | 45.0°F (2002) | 1.37 in (2003) |
| September 21 | 99.0°F (2005) | 39.9°F (1999) | 1.05 in (2004) |
| September 22 | 98.1°F (2000) | 39.9°F (2018) | 1.05 in (2004) |
| September 23 | 97.0°F (2022) | 42.1°F (2009) | 1.99 in (2017) |
| September 24 | 97.0°F (2011) | 34.0°F (2000) | 0.72 in (2017) |
| September 25 | 98.1°F (2020) | 33.1°F (2000) | 1.04 in (2017) |
| September 26 | 98.1°F (2020) | 36.0°F (2000) | 0.39 in (2012) |
| September 27 | 98.1°F (2005) | 41.0°F (2000) | 0.48 in (2013) |
| September 28 | 96.1°F (2011) | 39.0°F (2006) | 0.60 in (2017) |
| September 29 | 98.1°F (2010) | 35.1°F (1999) | 0.24 in (2017) |
| September 30 | 98.1°F (2009) | 35.1°F (1999) | 0.29 in (2019) |