September weather in Coleharbor, ND
The average temperature in Coleharbor in September is 58.1°F (45.3°F–71.0°F). Average precipitation: 1.56 inches.
September is a fall month in Coleharbor, and is warmer than the annual average of 40.8°F. Daily temperatures swing about 25.7°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
71.0°F
Avg Low
45.3°F
Precipitation
1.56 in
Daylight
12h 19m
September records in Coleharbor
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1983) | 32.0°F (1974) | 0.60 in (1979) |
| September 2 | 100.0°F (2001) | 30.9°F (1974) | 1.09 in (1973) |
| September 3 | 97.0°F (1978) | 34.0°F (1974) | 1.04 in (2019) |
| September 4 | 99.0°F (1955) | 30.9°F (1962) | 0.82 in (1971) |
| September 5 | 102.0°F (1978) | 27.0°F (1965) | 1.57 in (2023) |
| September 6 | 102.0°F (2001) | 28.0°F (1956) | 2.51 in (2015) |
| September 7 | 97.0°F (1976) | 28.9°F (1956) | 1.97 in (2010) |
| September 8 | 96.1°F (2003) | 30.9°F (2020) | 0.91 in (2019) |
| September 9 | 100.9°F (1959) | 30.0°F (2020) | 1.10 in (1970) |
| September 10 | 96.1°F (1994) | 30.0°F (1965) | 0.71 in (1979) |
| September 11 | 93.9°F (1990) | 26.1°F (1955) | 1.70 in (2003) |
| September 12 | 91.9°F (1966) | 33.1°F (1970) | 2.96 in (1978) |
| September 13 | 88.0°F (1990) | 24.1°F (1970) | 2.38 in (1967) |
| September 14 | 91.9°F (1959) | 28.0°F (1964) | 1.43 in (1954) |
| September 15 | 88.0°F (1989) | 30.0°F (2007) | 1.18 in (1994) |
| September 16 | 90.0°F (1979) | 25.0°F (1959) | 1.05 in (2016) |
| September 17 | 96.1°F (1989) | 28.9°F (1959) | 0.38 in (1968) |
| September 18 | 91.9°F (1955) | 30.0°F (1971) | 0.75 in (1975) |
| September 19 | 90.0°F (1972) | 24.1°F (1991) | 0.73 in (1975) |
| September 20 | 93.9°F (1960) | 30.0°F (1965) | 0.57 in (2004) |
| September 21 | 82.0°F (2024) | 27.0°F (1995) | 2.03 in (1955) |
| September 22 | 84.0°F (1967) | 21.9°F (1995) | 0.47 in (2000) |
| September 23 | 84.0°F (1992) | 25.0°F (1989) | 1.42 in (1977) |
| September 24 | 86.0°F (1992) | 25.0°F (1965) | 1.04 in (1977) |
| September 25 | 88.0°F (1990) | 25.0°F (1965) | 1.28 in (1986) |
| September 26 | 91.9°F (1963) | 19.9°F (1965) | 1.06 in (1959) |
| September 27 | 91.0°F (2024) | 25.0°F (1967) | 0.48 in (1975) |
| September 28 | 87.1°F (2021) | 26.1°F (1974) | 0.41 in (1990) |
| September 29 | 95.0°F (2021) | 23.0°F (1974) | 0.82 in (2019) |
| September 30 | 93.0°F (1989) | 18.0°F (1974) | 0.48 in (2019) |