September weather in Boardman, OR
The average temperature in Boardman in September is 65.2°F (49.7°F–80.6°F). Average precipitation: 0.25 inches.
September is a fall month in Boardman, and is warmer than the annual average of 54°F. Daily temperatures swing about 30.9°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
80.6°F
Avg Low
49.7°F
Precipitation
0.25 in
Daylight
12h 18m
September records in Boardman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (2022) | 41.0°F (2006) | 0.40 in (2010) |
| September 2 | 100.0°F (2022) | 41.0°F (1999) | 0.52 in (1971) |
| September 3 | 96.1°F (2020) | 26.1°F (2021) | 0.06 in (1997) |
| September 4 | 96.1°F (1998) | 42.1°F (1999) | 0.10 in (1997) |
| September 5 | 99.0°F (2003) | 44.1°F (2014) | 0.06 in (2015) |
| September 6 | 98.1°F (2003) | 41.0°F (1983) | 0.67 in (2013) |
| September 7 | 100.0°F (2003) | 41.0°F (1976) | 0.33 in (2016) |
| September 8 | 93.9°F (2018) | 36.0°F (1976) | 0.40 in (2003) |
| September 9 | 96.1°F (1993) | 35.1°F (1976) | 0.10 in (2003) |
| September 10 | 93.9°F (2024) | 39.9°F (1976) | 0.48 in (1985) |
| September 11 | 95.0°F (1993) | 34.0°F (1983) | 0.32 in (2021) |
| September 12 | 95.0°F (1973) | 35.1°F (2012) | 0.19 in (1982) |
| September 13 | 95.0°F (1981) | 35.1°F (2012) | 0.70 in (1982) |
| September 14 | 91.9°F (2013) | 37.0°F (1992) | 0.30 in (1980) |
| September 15 | 91.0°F (1989) | 35.1°F (1983) | 0.46 in (1976) |
| September 16 | 95.0°F (1979) | 36.0°F (1973) | 0.38 in (1986) |
| September 17 | 91.9°F (1998) | 37.0°F (1987) | 0.30 in (1997) |
| September 18 | 90.0°F (1981) | 33.1°F (1971) | 0.37 in (2010) |
| September 19 | 91.0°F (1984) | 34.0°F (1983) | 0.41 in (2010) |
| September 20 | 93.0°F (2025) | 30.9°F (1983) | 0.40 in (1982) |
| September 21 | 88.0°F (1979) | 33.1°F (1983) | 0.14 in (2000) |
| September 22 | 86.0°F (2014) | 33.1°F (1981) | 0.09 in (1977) |
| September 23 | 90.0°F (2014) | 30.0°F (2000) | 0.12 in (1984) |
| September 24 | 91.0°F (2011) | 30.0°F (2000) | 0.31 in (1984) |
| September 25 | 91.0°F (2003) | 30.9°F (1972) | 0.23 in (1982) |
| September 26 | 91.9°F (2021) | 34.0°F (1972) | 0.48 in (1982) |
| September 27 | 89.1°F (2009) | 32.0°F (1972) | 0.55 in (1981) |
| September 28 | 89.1°F (2003) | 32.0°F (1983) | 0.22 in (2021) |
| September 29 | 90.0°F (2010) | 25.0°F (1983) | 0.26 in (2013) |
| September 30 | 88.0°F (1980) | 27.0°F (1985) | 0.27 in (1977) |