September weather in Dayville, OR
The average temperature in Dayville in September is 64.7°F (47.0°F–82.4°F). Average precipitation: 0.56 inches.
September is a fall month in Dayville, and is warmer than the annual average of 53.3°F. Daily temperatures swing about 35.4°F between overnight low and afternoon high. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
82.4°F
Avg Low
47.0°F
Precipitation
0.56 in
Daylight
12h 17m
September records in Dayville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1987) | 36.0°F (1999) | 0.08 in (1983) |
| September 2 | 107.1°F (2022) | 36.0°F (1999) | 0.38 in (2000) |
| September 3 | 111.0°F (2022) | 36.0°F (1999) | 0.22 in (1997) |
| September 4 | 106.0°F (1988) | 35.1°F (1999) | 0.22 in (1982) |
| September 5 | 109.9°F (2020) | 34.0°F (1999) | 0.39 in (2007) |
| September 6 | 102.0°F (2017) | 37.0°F (2001) | 0.10 in (2019) |
| September 7 | 100.9°F (1998) | 32.0°F (1992) | 0.13 in (2013) |
| September 8 | 98.1°F (1981) | 37.0°F (1992) | 0.24 in (1998) |
| September 9 | 102.0°F (2012) | 35.1°F (2002) | 0.53 in (2010) |
| September 10 | 98.1°F (1993) | 37.0°F (1989) | 0.17 in (2003) |
| September 11 | 102.9°F (1990) | 36.0°F (1989) | 0.17 in (2021) |
| September 12 | 100.0°F (2011) | 35.1°F (1989) | 0.36 in (1982) |
| September 13 | 100.0°F (2009) | 35.1°F (1993) | 0.62 in (1980) |
| September 14 | 99.0°F (2002) | 30.9°F (2008) | 0.12 in (1985) |
| September 15 | 102.9°F (2000) | 30.9°F (1982) | 0.31 in (1996) |
| September 16 | 99.0°F (1981) | 33.1°F (1987) | 0.30 in (2019) |
| September 17 | 99.0°F (1981) | 35.1°F (1992) | 0.38 in (2013) |
| September 18 | 100.0°F (1981) | 32.0°F (1985) | 0.47 in (1989) |
| September 19 | 93.9°F (1994) | 30.9°F (1997) | 0.33 in (1982) |
| September 20 | 93.9°F (1991) | 30.0°F (1993) | 0.27 in (2010) |
| September 21 | 91.9°F (2014) | 28.9°F (1993) | 0.06 in (2006) |
| September 22 | 97.0°F (1999) | 26.1°F (1993) | 0.07 in (2016) |
| September 23 | 100.0°F (1992) | 24.1°F (2000) | 0.21 in (1984) |
| September 24 | 100.9°F (2009) | 28.0°F (1993) | 0.27 in (1986) |
| September 25 | 95.0°F (1994) | 27.0°F (1996) | 0.12 in (2013) |
| September 26 | 96.1°F (2010) | 37.0°F (2007) | 0.19 in (1981) |
| September 27 | 96.1°F (2016) | 27.0°F (2008) | 0.37 in (1981) |
| September 28 | 96.1°F (1994) | 26.1°F (1985) | 0.41 in (2021) |
| September 29 | 95.0°F (1994) | 25.0°F (1983) | 0.17 in (1986) |
| September 30 | 100.0°F (1992) | 26.1°F (1983) | 0.22 in (2013) |