September weather in Prairie City, OR
The average temperature in Prairie City in September is 57.9°F (39.1°F–76.7°F). Average precipitation: 0.52 inches.
September is a fall month in Prairie City, and is warmer than the annual average of 46.8°F. Daily temperatures swing about 37.6°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
76.7°F
Avg Low
39.1°F
Precipitation
0.52 in
Daylight
12h 17m
September records in Prairie City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1967) | 33.1°F (1999) | 0.45 in (1983) |
| September 2 | 102.0°F (1998) | 33.1°F (1999) | 0.10 in (1964) |
| September 3 | 104.0°F (1998) | 33.1°F (1956) | 0.27 in (2000) |
| September 4 | 109.9°F (1904) | 30.9°F (1969) | 0.45 in (1970) |
| September 5 | 100.9°F (1998) | 32.0°F (1953) | 0.26 in (2007) |
| September 6 | 102.0°F (1955) | 33.1°F (1965) | 0.36 in (2019) |
| September 7 | 100.9°F (1955) | 28.0°F (1992) | 0.10 in (1973) |
| September 8 | 99.0°F (1958) | 30.9°F (1962) | 0.38 in (2003) |
| September 9 | 96.1°F (1953) | 30.0°F (1964) | 0.50 in (1985) |
| September 10 | 102.0°F (1953) | 32.0°F (1989) | 0.52 in (1963) |
| September 11 | 105.1°F (1953) | 30.9°F (1989) | 0.65 in (2025) |
| September 12 | 98.1°F (1953) | 27.0°F (1970) | 0.40 in (1982) |
| September 13 | 98.1°F (2009) | 24.1°F (1970) | 0.84 in (1980) |
| September 14 | 97.0°F (1953) | 24.1°F (1970) | 0.42 in (1966) |
| September 15 | 99.0°F (2000) | 21.9°F (1970) | 1.06 in (1959) |
| September 16 | 96.1°F (1979) | 28.9°F (1973) | 0.46 in (1963) |
| September 17 | 98.1°F (1981) | 21.0°F (1965) | 0.31 in (2002) |
| September 18 | 100.9°F (1981) | 24.1°F (1965) | 0.72 in (1989) |
| September 19 | 97.0°F (1979) | 26.1°F (1965) | 0.50 in (1959) |
| September 20 | 93.0°F (1991) | 27.0°F (1983) | 0.79 in (1982) |
| September 21 | 91.9°F (1953) | 26.1°F (1993) | 0.32 in (2023) |
| September 22 | 96.1°F (1967) | 26.1°F (1961) | 0.25 in (1959) |
| September 23 | 98.1°F (1905) | 24.1°F (2000) | 0.33 in (1958) |
| September 24 | 98.1°F (2009) | 25.0°F (1961) | 0.36 in (1977) |
| September 25 | 95.0°F (2011) | 21.0°F (1970) | 0.70 in (1904) |
| September 26 | 95.0°F (1962) | 28.0°F (1955) | 0.89 in (1979) |
| September 27 | 97.0°F (1963) | 26.1°F (1999) | 0.90 in (1905) |
| September 28 | 96.1°F (1963) | 25.0°F (1999) | 0.83 in (2021) |
| September 29 | 98.1°F (1963) | 23.0°F (1985) | 0.29 in (1913) |
| September 30 | 93.9°F (1992) | 25.0°F (1954) | 0.57 in (2013) |