September weather in Killdeer, ND
The average temperature in Killdeer in September is 58.1°F (43.0°F–73.1°F). Average precipitation: 1.88 inches.
September is a fall month in Killdeer, and is warmer than the annual average of 42.3°F. Daily temperatures swing about 30.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
73.1°F
Avg Low
43.0°F
Precipitation
1.88 in
Daylight
12h 19m
September records in Killdeer
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2004) | 43.0°F (2005) | 0.26 in (1999) |
| September 2 | 99.0°F (2012) | 42.1°F (2011) | 0.14 in (1999) |
| September 3 | 98.1°F (2007) | 35.1°F (2008) | 0.85 in (1999) |
| September 4 | 99.0°F (1998) | 39.9°F (2019) | 0.56 in (2014) |
| September 5 | 99.0°F (2022) | 39.0°F (2014) | 0.43 in (2015) |
| September 6 | 96.1°F (2022) | 33.1°F (2025) | 0.88 in (2015) |
| September 7 | 97.0°F (2003) | 34.0°F (2025) | 2.17 in (2019) |
| September 8 | 97.0°F (2022) | 26.1°F (2020) | 1.06 in (2019) |
| September 9 | 93.0°F (2005) | 28.0°F (2020) | 0.92 in (2013) |
| September 10 | 91.9°F (2017) | 34.0°F (2012) | 0.48 in (2010) |
| September 11 | 91.9°F (2012) | 33.1°F (2007) | 1.15 in (2003) |
| September 12 | 89.1°F (2011) | 28.0°F (2014) | 1.83 in (2019) |
| September 13 | 97.0°F (2017) | 32.0°F (2014) | 0.81 in (2019) |
| September 14 | 88.0°F (2015) | 27.0°F (2007) | 0.91 in (2001) |
| September 15 | 91.0°F (2002) | 28.0°F (2011) | 0.42 in (2017) |
| September 16 | 97.0°F (2002) | 28.0°F (2011) | 1.19 in (2017) |
| September 17 | 88.0°F (2009) | 30.9°F (2017) | 0.38 in (2015) |
| September 18 | 95.0°F (2004) | 30.0°F (2010) | 0.39 in (2006) |
| September 19 | 98.1°F (2021) | 28.0°F (2003) | 0.93 in (2002) |
| September 20 | 91.0°F (2009) | 28.0°F (2006) | 0.41 in (2011) |
| September 21 | 82.9°F (2008) | 30.9°F (1998) | 0.64 in (2019) |
| September 22 | 90.0°F (2007) | 24.1°F (2012) | 0.31 in (2019) |
| September 23 | 89.1°F (2020) | 24.1°F (2012) | 1.31 in (2006) |
| September 24 | 84.9°F (2011) | 27.0°F (2012) | 1.77 in (2016) |
| September 25 | 90.0°F (2020) | 27.0°F (2002) | 0.24 in (2016) |
| September 26 | 91.9°F (2014) | 30.9°F (2002) | 0.37 in (2013) |
| September 27 | 91.0°F (2014) | 30.9°F (1999) | 0.20 in (2006) |
| September 28 | 96.1°F (2021) | 24.1°F (2018) | 0.04 in (2006) |
| September 29 | 99.0°F (2021) | 25.0°F (2018) | 1.03 in (2019) |
| September 30 | 96.1°F (2024) | 25.0°F (2003) | 0.50 in (2014) |