September weather in Boswell, OK
The average temperature in Boswell in September is 73.8°F (60.7°F–86.9°F). Average precipitation: 4.03 inches.
September is a fall month in Boswell, and is warmer than the annual average of 61.6°F. Daily temperatures swing about 26.2°F between overnight low and afternoon high. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
86.9°F
Avg Low
60.7°F
Precipitation
4.03 in
Daylight
12h 12m
September records in Boswell
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2013) | 57.0°F (2009) | 3.67 in (2020) |
| September 2 | 100.0°F (2011) | 60.1°F (2023) | 0.09 in (2020) |
| September 3 | 100.0°F (2012) | 54.0°F (2010) | 0.31 in (2018) |
| September 4 | 100.0°F (2012) | 48.9°F (2010) | 0.03 in (2022) |
| September 5 | 100.9°F (2012) | 50.0°F (2010) | 0.09 in (2025) |
| September 6 | 100.0°F (2023) | 46.0°F (2011) | 0.14 in (2025) |
| September 7 | 105.1°F (2023) | 44.1°F (2011) | 0.82 in (2010) |
| September 8 | 100.0°F (2019) | 46.9°F (2024) | 1.91 in (2021) |
| September 9 | 96.1°F (2013) | 45.0°F (2011) | 2.04 in (2015) |
| September 10 | 95.0°F (2013) | 46.0°F (2024) | 0.50 in (2020) |
| September 11 | 98.1°F (2013) | 48.0°F (2016) | 0.29 in (2009) |
| September 12 | 99.0°F (2011) | 46.9°F (2022) | 0.99 in (2014) |
| September 13 | 105.1°F (2011) | 48.0°F (2017) | 0.82 in (2019) |
| September 14 | 96.1°F (2019) | 48.9°F (2017) | 2.51 in (2010) |
| September 15 | 97.0°F (2019) | 53.1°F (2022) | 1.72 in (2016) |
| September 16 | 96.1°F (2019) | 55.0°F (2011) | 1.51 in (2009) |
| September 17 | 95.0°F (2019) | 55.9°F (2023) | 0.20 in (2009) |
| September 18 | 97.0°F (2022) | 48.9°F (2012) | 0.73 in (2016) |
| September 19 | 99.0°F (2024) | 43.0°F (2012) | 0.18 in (2013) |
| September 20 | 100.0°F (2024) | 48.0°F (2020) | 4.92 in (2019) |
| September 21 | 99.0°F (2022) | 50.0°F (2013) | 3.79 in (2018) |
| September 22 | 100.0°F (2022) | 45.0°F (2013) | 1.93 in (2018) |
| September 23 | 95.0°F (2025) | 42.1°F (2021) | 0.62 in (2025) |
| September 24 | 99.0°F (2022) | 45.0°F (2014) | 0.54 in (2025) |
| September 25 | 98.1°F (2022) | 46.9°F (2009) | 0.72 in (2024) |
| September 26 | 93.0°F (2013) | 46.9°F (2010) | 0.32 in (2019) |
| September 27 | 91.9°F (2023) | 44.1°F (2010) | 0.48 in (2012) |
| September 28 | 93.9°F (2023) | 44.1°F (2010) | 2.79 in (2013) |
| September 29 | 99.0°F (2011) | 42.1°F (2009) | 0.19 in (2012) |
| September 30 | 93.9°F (2023) | 41.0°F (2022) | 0.44 in (2012) |