September weather in Malden, WA
The average temperature in Malden in September is 59.8°F (43.9°F–75.7°F). Average precipitation: 0.62 inches.
September is a fall month in Malden, and is warmer than the annual average of 48.1°F. Daily temperatures swing about 31.8°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
75.7°F
Avg Low
43.9°F
Precipitation
0.62 in
Daylight
12h 19m
September records in Malden
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (2022) | 30.0°F (2008) | 0.30 in (1907) |
| September 2 | 99.0°F (2025) | 28.0°F (1999) | 0.66 in (1971) |
| September 3 | 99.0°F (1988) | 30.0°F (2011) | 0.50 in (1916) |
| September 4 | 100.9°F (1988) | 33.1°F (2015) | 0.42 in (1899) |
| September 5 | 99.0°F (1988) | 33.1°F (1948) | 0.80 in (1940) |
| September 6 | 98.1°F (1988) | 28.9°F (1895) | 0.95 in (1927) |
| September 7 | 97.0°F (1924) | 30.0°F (1939) | 0.60 in (1912) |
| September 8 | 96.1°F (2024) | 27.0°F (1976) | 0.51 in (1947) |
| September 9 | 96.1°F (2011) | 30.0°F (1895) | 0.67 in (1931) |
| September 10 | 93.9°F (2011) | 23.0°F (1895) | 0.44 in (1934) |
| September 11 | 96.1°F (2011) | 30.0°F (1906) | 1.34 in (1927) |
| September 12 | 96.1°F (2011) | 28.0°F (1949) | 1.28 in (1915) |
| September 13 | 93.0°F (2013) | 24.1°F (1921) | 1.01 in (1927) |
| September 14 | 93.9°F (1924) | 24.1°F (1970) | 0.77 in (1986) |
| September 15 | 96.1°F (2002) | 25.0°F (1970) | 1.01 in (1958) |
| September 16 | 93.0°F (1998) | 26.1°F (1902) | 0.85 in (1949) |
| September 17 | 93.0°F (1981) | 24.1°F (1965) | 0.44 in (1900) |
| September 18 | 98.1°F (1981) | 25.0°F (1971) | 0.97 in (1968) |
| September 19 | 95.0°F (1917) | 28.0°F (2007) | 0.32 in (1931) |
| September 20 | 95.0°F (2008) | 26.1°F (1983) | 0.74 in (1945) |
| September 21 | 90.0°F (1938) | 23.0°F (1971) | 0.67 in (1910) |
| September 22 | 91.0°F (1967) | 24.1°F (1971) | 0.69 in (1945) |
| September 23 | 93.9°F (1966) | 26.1°F (1926) | 0.91 in (1984) |
| September 24 | 93.9°F (2001) | 21.0°F (1926) | 0.48 in (1992) |
| September 25 | 98.1°F (2011) | 19.9°F (1908) | 0.45 in (1901) |
| September 26 | 91.0°F (1952) | 19.9°F (1908) | 0.91 in (1947) |
| September 27 | 89.1°F (2022) | 10.9°F (1908) | 0.39 in (1988) |
| September 28 | 91.0°F (1918) | 19.9°F (1983) | 0.68 in (2021) |
| September 29 | 93.9°F (1963) | 19.9°F (1983) | 1.12 in (1982) |
| September 30 | 90.0°F (1992) | 21.0°F (1983) | 0.38 in (1995) |