September weather in Lonerock, OR
The average temperature in Lonerock in September is 57.1°F (39.9°F–74.3°F). Average precipitation: 0.55 inches.
September is a fall month in Lonerock, and is warmer than the annual average of 47.4°F. Daily temperatures swing about 34.4°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
74.3°F
Avg Low
39.9°F
Precipitation
0.55 in
Daylight
12h 18m
September records in Lonerock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1967) | 30.0°F (1973) | 0.58 in (1936) |
| September 2 | 98.1°F (1950) | 28.9°F (1956) | 0.30 in (1979) |
| September 3 | 100.0°F (2003) | 30.0°F (1956) | 0.15 in (1970) |
| September 4 | 100.0°F (2003) | 28.9°F (1956) | 0.26 in (2001) |
| September 5 | 99.0°F (2006) | 28.0°F (1969) | 0.47 in (1945) |
| September 6 | 98.1°F (1955) | 30.0°F (1960) | 0.75 in (1995) |
| September 7 | 98.1°F (1958) | 27.0°F (1992) | 0.75 in (1973) |
| September 8 | 97.0°F (1958) | 30.0°F (1976) | 0.88 in (1925) |
| September 9 | 96.1°F (1958) | 28.9°F (1959) | 0.90 in (1927) |
| September 10 | 93.0°F (1953) | 28.9°F (1989) | 0.47 in (1985) |
| September 11 | 91.9°F (1959) | 28.9°F (2012) | 0.42 in (1962) |
| September 12 | 96.1°F (1959) | 26.1°F (1949) | 1.01 in (1928) |
| September 13 | 91.9°F (1959) | 25.0°F (1970) | 0.43 in (1963) |
| September 14 | 91.9°F (1979) | 25.0°F (1970) | 0.84 in (1966) |
| September 15 | 91.9°F (1979) | 26.1°F (1969) | 0.93 in (1963) |
| September 16 | 91.9°F (2008) | 27.0°F (1987) | 0.45 in (1954) |
| September 17 | 93.0°F (1981) | 19.9°F (1965) | 1.30 in (2017) |
| September 18 | 91.0°F (1981) | 18.0°F (1965) | 0.65 in (1931) |
| September 19 | 89.1°F (1994) | 25.0°F (1957) | 0.96 in (1988) |
| September 20 | 88.0°F (1967) | 25.0°F (1993) | 0.58 in (1976) |
| September 21 | 91.9°F (1967) | 24.1°F (1993) | 0.89 in (1976) |
| September 22 | 93.0°F (1992) | 24.1°F (1993) | 0.30 in (1973) |
| September 23 | 91.9°F (1952) | 24.1°F (1993) | 0.61 in (1934) |
| September 24 | 95.0°F (1952) | 19.9°F (1970) | 0.40 in (1930) |
| September 25 | 96.1°F (1952) | 18.0°F (2012) | 0.90 in (2023) |
| September 26 | 93.0°F (1978) | 26.1°F (2012) | 0.55 in (1923) |
| September 27 | 93.0°F (1963) | 25.0°F (1945) | 0.98 in (1981) |
| September 28 | 90.0°F (1967) | 24.1°F (1945) | 0.46 in (1977) |
| September 29 | 90.0°F (2006) | 19.9°F (1985) | 0.50 in (2007) |
| September 30 | 90.0°F (1991) | 19.9°F (1954) | 0.90 in (1994) |