September weather in Morton, WA
The average temperature in Morton in September is 58.4°F (43.7°F–73.1°F). Average precipitation: inches.
September is a fall month in Morton, and is warmer than the annual average of 50°F. Daily temperatures swing about 29.4°F between overnight low and afternoon high. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
73.1°F
Avg Low
43.7°F
Precipitation
in
Daylight
12h 19m
September records in Morton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1987) | 32.0°F (1966) | 1.39 in (1981) |
| September 2 | 93.9°F (1987) | 34.0°F (1966) | 1.19 in (1980) |
| September 3 | 108.0°F (1988) | 36.0°F (2002) | 1.26 in (1979) |
| September 4 | 91.0°F (1986) | 36.0°F (2002) | 0.90 in (1977) |
| September 5 | 89.1°F (1966) | 37.0°F (1992) | 0.51 in (1977) |
| September 6 | 89.1°F (1973) | 35.1°F (1999) | 1.14 in (1984) |
| September 7 | 91.9°F (1986) | 28.9°F (1992) | 0.92 in (1970) |
| September 8 | 100.9°F (1981) | 39.0°F (1976) | 1.10 in (1992) |
| September 9 | 89.1°F (1989) | 37.0°F (1970) | 0.92 in (1983) |
| September 10 | 87.1°F (1966) | 36.0°F (1999) | 0.84 in (1985) |
| September 11 | 88.0°F (1973) | 35.1°F (1988) | 0.93 in (1983) |
| September 12 | 90.0°F (1975) | 36.0°F (1994) | 0.94 in (1982) |
| September 13 | 91.0°F (1975) | 27.0°F (1970) | 0.28 in (1985) |
| September 14 | 90.0°F (1979) | 30.0°F (1966) | 0.90 in (1996) |
| September 15 | 99.0°F (1979) | 32.0°F (1969) | 1.28 in (1968) |
| September 16 | 93.9°F (1981) | 35.1°F (1992) | 1.10 in (1997) |
| September 17 | 90.0°F (1994) | 32.0°F (1989) | 1.42 in (1997) |
| September 18 | 90.0°F (1991) | 34.0°F (1988) | 1.40 in (1968) |
| September 19 | 89.1°F (1991) | 32.0°F (1988) | 1.07 in (1988) |
| September 20 | 89.1°F (1974) | 34.0°F (2002) | 0.79 in (1969) |
| September 21 | 93.9°F (1974) | 28.0°F (1993) | 1.76 in (1972) |
| September 22 | 97.0°F (1990) | 28.0°F (1993) | 0.59 in (1984) |
| September 23 | 97.0°F (1989) | 28.9°F (2000) | 0.92 in (1970) |
| September 24 | 93.9°F (1997) | 32.0°F (1970) | 1.73 in (1986) |
| September 25 | 91.9°F (1991) | 32.0°F (2000) | 0.83 in (1992) |
| September 26 | 96.1°F (1991) | 32.0°F (1972) | 0.87 in (1997) |
| September 27 | 86.0°F (1976) | 28.9°F (1972) | 0.93 in (1988) |
| September 28 | 89.1°F (1970) | 30.0°F (1983) | 1.32 in (1995) |
| September 29 | 88.0°F (1989) | 30.0°F (1983) | 1.73 in (2000) |
| September 30 | 95.0°F (1987) | 28.9°F (1983) | 1.95 in (2000) |