September weather in Wallowa, OR
The average temperature in Wallowa in September is 58.7°F (38.4°F–78.9°F). Average precipitation: 0.74 inches.
September is a fall month in Wallowa, and is warmer than the annual average of 46.8°F. Daily temperatures swing about 40.5°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
78.9°F
Avg Low
38.4°F
Precipitation
0.74 in
Daylight
12h 18m
September records in Wallowa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (1998) | 28.0°F (1914) | 0.80 in (1961) |
| September 2 | 102.0°F (1950) | 28.9°F (1906) | 0.50 in (1936) |
| September 3 | 102.9°F (2017) | 27.0°F (1932) | 0.26 in (2013) |
| September 4 | 100.9°F (2020) | 28.0°F (1956) | 0.80 in (1960) |
| September 5 | 99.0°F (2006) | 26.1°F (1956) | 0.62 in (2000) |
| September 6 | 100.0°F (1944) | 21.9°F (1929) | 0.47 in (1946) |
| September 7 | 98.1°F (1944) | 23.0°F (1992) | 1.22 in (1978) |
| September 8 | 96.1°F (1944) | 21.9°F (1924) | 0.62 in (1938) |
| September 9 | 97.0°F (1944) | 24.1°F (1939) | 0.75 in (1952) |
| September 10 | 96.1°F (2011) | 25.0°F (1939) | 0.50 in (2000) |
| September 11 | 98.1°F (1944) | 23.0°F (1910) | 0.54 in (1962) |
| September 12 | 97.0°F (2009) | 24.1°F (1949) | 1.24 in (1972) |
| September 13 | 95.0°F (1945) | 19.9°F (1949) | 0.70 in (1980) |
| September 14 | 98.1°F (2012) | 19.9°F (1970) | 0.94 in (1955) |
| September 15 | 96.1°F (1937) | 23.0°F (1936) | 0.65 in (1986) |
| September 16 | 97.0°F (1938) | 21.9°F (1921) | 0.86 in (1949) |
| September 17 | 97.0°F (1981) | 19.0°F (1965) | 0.41 in (1985) |
| September 18 | 98.1°F (1917) | 19.0°F (1965) | 0.65 in (1940) |
| September 19 | 99.0°F (1938) | 21.9°F (1965) | 0.78 in (1921) |
| September 20 | 93.0°F (1938) | 21.0°F (1934) | 0.59 in (1964) |
| September 21 | 93.0°F (1967) | 21.9°F (1912) | 0.74 in (1917) |
| September 22 | 95.0°F (1966) | 21.9°F (1956) | 1.82 in (1917) |
| September 23 | 97.0°F (1938) | 21.0°F (1996) | 0.45 in (1984) |
| September 24 | 97.0°F (2011) | 16.0°F (1926) | 0.83 in (1992) |
| September 25 | 93.9°F (1943) | 17.1°F (1926) | 0.60 in (1923) |
| September 26 | 91.9°F (2022) | 19.9°F (1908) | 0.89 in (1959) |
| September 27 | 93.0°F (2022) | 21.9°F (1924) | 1.15 in (1905) |
| September 28 | 93.9°F (1963) | 19.0°F (1999) | 1.00 in (1940) |
| September 29 | 102.0°F (1963) | 17.1°F (1985) | 0.46 in (1930) |
| September 30 | 91.0°F (2010) | 18.0°F (1985) | 0.75 in (2000) |