September weather in Oxford Junction, IA
The average temperature in Oxford Junction in September is 64.0°F (50.9°F–77.0°F). Average precipitation: 3.55 inches.
September is a fall month in Oxford Junction, and is warmer than the annual average of 49°F. Daily temperatures swing about 26.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
77.0°F
Avg Low
50.9°F
Precipitation
3.55 in
Daylight
12h 16m
September records in Oxford Junction
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (2011) | 39.9°F (2009) | 4.04 in (2018) |
| September 2 | 93.0°F (2011) | 42.1°F (2009) | 1.31 in (1993) |
| September 3 | 95.0°F (2023) | 43.0°F (2009) | 1.27 in (2011) |
| September 4 | 95.0°F (2023) | 44.1°F (2020) | 1.13 in (2008) |
| September 5 | 91.0°F (2015) | 46.0°F (2009) | 2.22 in (2018) |
| September 6 | 93.0°F (2015) | 39.0°F (2011) | 2.66 in (2020) |
| September 7 | 95.0°F (2013) | 39.0°F (2025) | 1.85 in (2016) |
| September 8 | 86.0°F (2016) | 39.9°F (2024) | 1.95 in (2016) |
| September 9 | 100.0°F (2013) | 37.9°F (2008) | 1.46 in (2014) |
| September 10 | 99.0°F (2013) | 39.0°F (2008) | 1.56 in (2014) |
| September 11 | 91.0°F (2021) | 39.0°F (2017) | 0.84 in (2022) |
| September 12 | 91.0°F (2019) | 35.1°F (2007) | 0.94 in (2008) |
| September 13 | 98.1°F (2025) | 32.0°F (2014) | 1.96 in (2003) |
| September 14 | 93.9°F (2025) | 35.1°F (2014) | 2.49 in (1998) |
| September 15 | 93.0°F (2018) | 28.9°F (2007) | 1.05 in (2013) |
| September 16 | 93.0°F (2025) | 34.0°F (2014) | 0.94 in (1997) |
| September 17 | 93.9°F (2018) | 34.0°F (2011) | 2.74 in (1992) |
| September 18 | 90.0°F (2007) | 35.1°F (2012) | 1.00 in (2001) |
| September 19 | 93.9°F (2013) | 36.0°F (2012) | 0.93 in (2002) |
| September 20 | 97.0°F (2022) | 39.9°F (2012) | 2.00 in (2017) |
| September 21 | 90.0°F (2007) | 41.0°F (2012) | 0.59 in (2019) |
| September 22 | 91.9°F (2017) | 34.0°F (2012) | 1.35 in (2000) |
| September 23 | 93.9°F (2017) | 30.0°F (2012) | 0.84 in (2016) |
| September 24 | 91.0°F (2017) | 26.1°F (2012) | 0.65 in (2005) |
| September 25 | 91.0°F (2017) | 39.0°F (2021) | 2.23 in (1993) |
| September 26 | 89.1°F (2021) | 37.0°F (2022) | 0.73 in (1996) |
| September 27 | 91.0°F (2021) | 34.0°F (2012) | 0.81 in (1999) |
| September 28 | 90.0°F (2025) | 32.0°F (2012) | 1.13 in (2019) |
| September 29 | 91.0°F (2021) | 30.0°F (2022) | 0.51 in (1998) |
| September 30 | 93.9°F (2023) | 32.0°F (2022) | 0.70 in (2007) |