September weather in Arthur, ND
The average temperature in Arthur in September is 58.9°F (46.4°F–71.4°F). Average precipitation: 2.79 inches.
September is a fall month in Arthur, and is warmer than the annual average of 41.1°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
71.4°F
Avg Low
46.4°F
Precipitation
2.79 in
Daylight
12h 19m
September records in Arthur
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (1990) | 39.9°F (1994) | 1.69 in (1997) |
| September 2 | 90.0°F (2023) | 39.9°F (1994) | 2.80 in (1996) |
| September 3 | 93.0°F (1991) | 41.0°F (1997) | 2.45 in (2014) |
| September 4 | 95.0°F (2007) | 33.1°F (2003) | 0.56 in (1989) |
| September 5 | 91.0°F (2023) | 37.0°F (1984) | 1.40 in (2004) |
| September 6 | 96.1°F (2001) | 36.0°F (1988) | 1.24 in (1985) |
| September 7 | 91.9°F (2003) | 36.0°F (1986) | 2.28 in (2010) |
| September 8 | 96.1°F (2002) | 34.0°F (2020) | 1.50 in (2016) |
| September 9 | 91.0°F (2002) | 30.9°F (2020) | 0.95 in (2007) |
| September 10 | 89.1°F (1994) | 30.9°F (2020) | 1.27 in (2019) |
| September 11 | 93.9°F (1998) | 33.1°F (1984) | 0.92 in (2009) |
| September 12 | 93.9°F (1990) | 34.0°F (2007) | 0.45 in (1984) |
| September 13 | 91.0°F (1990) | 32.0°F (1986) | 1.30 in (1994) |
| September 14 | 89.1°F (2004) | 34.0°F (1996) | 0.26 in (2021) |
| September 15 | 88.0°F (2025) | 28.9°F (1993) | 0.92 in (2013) |
| September 16 | 88.0°F (2012) | 28.9°F (1993) | 0.61 in (1988) |
| September 17 | 93.9°F (1989) | 33.1°F (1993) | 1.24 in (2016) |
| September 18 | 95.0°F (1998) | 33.1°F (2010) | 0.55 in (2003) |
| September 19 | 90.0°F (1984) | 32.0°F (1991) | 1.73 in (1988) |
| September 20 | 98.1°F (1984) | 26.1°F (1995) | 2.40 in (2017) |
| September 21 | 87.1°F (2019) | 28.0°F (1995) | 1.62 in (2018) |
| September 22 | 91.9°F (1984) | 21.9°F (1995) | 1.05 in (2000) |
| September 23 | 84.0°F (2020) | 26.1°F (2012) | 0.63 in (2006) |
| September 24 | 91.0°F (2007) | 30.0°F (1993) | 1.30 in (2010) |
| September 25 | 87.1°F (1990) | 28.0°F (1985) | 0.48 in (1986) |
| September 26 | 88.0°F (1990) | 21.9°F (1984) | 0.81 in (1996) |
| September 27 | 91.0°F (1990) | 25.0°F (1984) | 0.33 in (1996) |
| September 28 | 86.0°F (2014) | 21.9°F (1992) | 0.71 in (1996) |
| September 29 | 91.9°F (2021) | 28.0°F (2018) | 0.28 in (1988) |
| September 30 | 89.1°F (2025) | 26.1°F (1984) | 1.25 in (1995) |