September weather in Othello, WA
The average temperature in Othello in September is 63.3°F (47.3°F–79.2°F). Average precipitation: 0.30 inches.
September is a fall month in Othello, and is warmer than the annual average of 51.7°F. Daily temperatures swing about 31.9°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
79.2°F
Avg Low
47.3°F
Precipitation
0.30 in
Daylight
12h 19m
September records in Othello
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1987) | 37.9°F (1973) | 0.45 in (1971) |
| September 2 | 98.1°F (1987) | 41.0°F (1973) | 0.09 in (1971) |
| September 3 | 96.1°F (1998) | 39.0°F (1975) | 0.21 in (1997) |
| September 4 | 96.1°F (1967) | 37.0°F (2002) | 0.18 in (2000) |
| September 5 | 98.1°F (1973) | 39.0°F (1969) | 0.00 in (1961) |
| September 6 | 95.0°F (1973) | 37.0°F (2002) | 0.20 in (1984) |
| September 7 | 93.0°F (1969) | 32.0°F (1992) | 0.99 in (1995) |
| September 8 | 97.0°F (1981) | 32.0°F (1962) | 0.06 in (1985) |
| September 9 | 96.1°F (1963) | 35.1°F (1970) | 0.23 in (1985) |
| September 10 | 95.0°F (1990) | 37.0°F (1989) | 0.36 in (2000) |
| September 11 | 93.9°F (1973) | 39.0°F (1974) | 0.09 in (1985) |
| September 12 | 91.9°F (2002) | 32.0°F (1962) | 0.02 in (1965) |
| September 13 | 91.9°F (2002) | 36.0°F (1984) | 1.25 in (1980) |
| September 14 | 93.0°F (2000) | 32.0°F (1970) | 0.24 in (1966) |
| September 15 | 96.1°F (1967) | 30.9°F (1970) | 0.15 in (1992) |
| September 16 | 95.0°F (1967) | 32.0°F (1970) | 0.14 in (1985) |
| September 17 | 96.1°F (1981) | 25.0°F (1965) | 0.22 in (1997) |
| September 18 | 93.9°F (1962) | 27.0°F (1965) | 0.23 in (1968) |
| September 19 | 93.9°F (1981) | 34.0°F (1978) | 0.35 in (1988) |
| September 20 | 91.0°F (1962) | 30.9°F (1968) | 0.25 in (1973) |
| September 21 | 91.9°F (1976) | 32.0°F (1993) | 0.16 in (1972) |
| September 22 | 93.9°F (1966) | 32.0°F (1961) | 0.12 in (1984) |
| September 23 | 90.0°F (1966) | 28.9°F (2000) | 0.48 in (1986) |
| September 24 | 90.0°F (1974) | 30.9°F (1984) | 0.32 in (1977) |
| September 25 | 93.0°F (1997) | 28.9°F (1972) | 0.03 in (1977) |
| September 26 | 91.9°F (1963) | 28.9°F (1972) | 0.55 in (1982) |
| September 27 | 91.9°F (1963) | 30.9°F (1972) | 0.39 in (1981) |
| September 28 | 91.0°F (1963) | 28.0°F (1983) | 0.50 in (1962) |
| September 29 | 89.1°F (1976) | 27.0°F (1983) | 0.05 in (1986) |
| September 30 | 84.0°F (1963) | 30.0°F (1985) | 0.09 in (2000) |