September weather in Lowell, OR
The average temperature in Lowell in September is 63.2°F (52.2°F–74.2°F). Average precipitation: 1.63 inches.
September is a fall month in Lowell, and is warmer than the annual average of 53.4°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 17m. For travel, September is one of the best months of the year to visit.
Avg High
74.2°F
Avg Low
52.2°F
Precipitation
1.63 in
Daylight
12h 17m
September records in Lowell
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1987) | 42.1°F (2006) | 0.63 in (2023) |
| September 2 | 93.9°F (1998) | 43.0°F (1956) | 0.50 in (1979) |
| September 3 | 97.0°F (1988) | 43.0°F (1956) | 0.49 in (1979) |
| September 4 | 93.0°F (2003) | 43.0°F (1969) | 0.72 in (2000) |
| September 5 | 95.0°F (2003) | 43.0°F (1969) | 0.60 in (1992) |
| September 6 | 96.1°F (2014) | 43.0°F (1992) | 1.10 in (2013) |
| September 7 | 91.0°F (1981) | 43.0°F (1976) | 0.65 in (1973) |
| September 8 | 97.0°F (1958) | 43.0°F (1977) | 0.93 in (2010) |
| September 9 | 93.9°F (1960) | 43.0°F (1970) | 0.87 in (2003) |
| September 10 | 91.9°F (2007) | 39.9°F (1988) | 0.78 in (1978) |
| September 11 | 91.0°F (1957) | 42.1°F (1988) | 1.37 in (1967) |
| September 12 | 88.0°F (1975) | 41.0°F (1970) | 0.45 in (2024) |
| September 13 | 97.0°F (1999) | 35.1°F (1970) | 0.33 in (1958) |
| September 14 | 91.0°F (1957) | 39.9°F (1992) | 0.73 in (1968) |
| September 15 | 90.0°F (1957) | 39.9°F (1969) | 1.11 in (1963) |
| September 16 | 97.0°F (1967) | 41.0°F (1969) | 1.11 in (2019) |
| September 17 | 87.1°F (1991) | 35.1°F (1965) | 0.71 in (1964) |
| September 18 | 89.1°F (1991) | 39.9°F (1988) | 1.16 in (1966) |
| September 19 | 88.0°F (1991) | 39.9°F (1983) | 1.52 in (2021) |
| September 20 | 87.1°F (1974) | 37.9°F (1983) | 0.85 in (1973) |
| September 21 | 89.1°F (1974) | 39.9°F (1960) | 0.47 in (1970) |
| September 22 | 93.0°F (1994) | 39.9°F (1955) | 1.08 in (1972) |
| September 23 | 93.9°F (1989) | 39.9°F (1996) | 0.34 in (1984) |
| September 24 | 90.0°F (1957) | 39.0°F (1958) | 1.20 in (2014) |
| September 25 | 93.0°F (1991) | 41.0°F (1970) | 0.67 in (2014) |
| September 26 | 89.1°F (1991) | 39.9°F (1961) | 0.62 in (1959) |
| September 27 | 90.0°F (2022) | 33.1°F (1999) | 2.32 in (1981) |
| September 28 | 90.0°F (1967) | 37.0°F (1972) | 1.01 in (2021) |
| September 29 | 82.0°F (1967) | 37.0°F (1983) | 1.49 in (2013) |
| September 30 | 88.0°F (2020) | 36.0°F (1983) | 2.36 in (2013) |