September weather in Tappen, ND
The average temperature in Tappen in September is 57.7°F (45.8°F–69.7°F). Average precipitation: 2.29 inches.
September is a fall month in Tappen, and is warmer than the annual average of 40.3°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
69.7°F
Avg Low
45.8°F
Precipitation
2.29 in
Daylight
12h 19m
September records in Tappen
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2022) | 45.3°F (2024) | 0.39 in (2008) |
| September 2 | 95.7°F (2023) | 41.4°F (2008) | 0.88 in (2019) |
| September 3 | 99.3°F (2015) | 36.3°F (2025) | 0.16 in (2012) |
| September 4 | 92.3°F (2023) | 35.4°F (2025) | 1.50 in (2014) |
| September 5 | 89.6°F (2013) | 38.3°F (2025) | 0.59 in (2023) |
| September 6 | 93.6°F (2013) | 34.9°F (2025) | 2.58 in (2010) |
| September 7 | 89.8°F (2022) | 34.5°F (2020) | 0.83 in (2019) |
| September 8 | 82.9°F (2014) | 30.2°F (2020) | 0.27 in (2013) |
| September 9 | 84.4°F (2017) | 28.4°F (2020) | 1.74 in (2013) |
| September 10 | 91.4°F (2012) | 33.8°F (2020) | 0.13 in (2010) |
| September 11 | 86.0°F (2011) | 32.4°F (2014) | 0.98 in (2009) |
| September 12 | 93.0°F (2017) | 35.4°F (2014) | 1.05 in (2019) |
| September 13 | 88.7°F (2015) | 33.6°F (2016) | 1.30 in (2024) |
| September 14 | 78.8°F (2009) | 28.8°F (2011) | 2.82 in (2013) |
| September 15 | 86.5°F (2012) | 32.2°F (2011) | 0.46 in (2017) |
| September 16 | 87.8°F (2019) | 38.1°F (2010) | 0.35 in (2025) |
| September 17 | 83.8°F (2019) | 32.0°F (2012) | 0.17 in (2010) |
| September 18 | 84.0°F (2008) | 32.4°F (2010) | 0.54 in (2025) |
| September 19 | 86.5°F (2023) | 36.7°F (2011) | 0.18 in (2025) |
| September 20 | 85.1°F (2019) | 36.5°F (2013) | 0.96 in (2018) |
| September 21 | 86.2°F (2015) | 32.7°F (2011) | 0.94 in (2023) |
| September 22 | 85.6°F (2013) | 25.5°F (2012) | 0.45 in (2008) |
| September 23 | 75.4°F (2009) | 23.9°F (2012) | 1.07 in (2023) |
| September 24 | 80.8°F (2012) | 37.9°F (2012) | 0.90 in (2017) |
| September 25 | 86.4°F (2014) | 34.9°F (2021) | 0.20 in (2018) |
| September 26 | 87.3°F (2024) | 32.7°F (2018) | 0.02 in (2013) |
| September 27 | 81.9°F (2014) | 35.1°F (2019) | 0.61 in (2013) |
| September 28 | 89.2°F (2021) | 27.0°F (2018) | 0.29 in (2014) |
| September 29 | 86.9°F (2024) | 33.6°F (2018) | 0.39 in (2021) |
| September 30 | 82.4°F (2025) | 34.0°F (2018) | 0.19 in (2019) |