September weather in Ferndale, WA
The average temperature in Ferndale in September is 58.9°F (49.6°F–68.1°F). Average precipitation: 2.01 inches.
September is a fall month in Ferndale, and is warmer than the annual average of 51.2°F. Daily temperatures swing about 18.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 20m. For travel, September is a comfortable month to visit.
Avg High
68.1°F
Avg Low
49.6°F
Precipitation
2.01 in
Daylight
12h 20m
September records in Ferndale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 82.0°F (1952) | 39.0°F (1960) | 2.75 in (1983) |
| September 2 | 87.1°F (1988) | 39.0°F (1984) | 0.53 in (2014) |
| September 3 | 87.1°F (1988) | 39.9°F (1958) | 0.40 in (1978) |
| September 4 | 87.1°F (2017) | 37.9°F (1952) | 0.44 in (1960) |
| September 5 | 86.0°F (1973) | 39.0°F (1956) | 1.14 in (1984) |
| September 6 | 84.0°F (1986) | 39.9°F (2005) | 0.57 in (2015) |
| September 7 | 87.1°F (1981) | 39.9°F (1984) | 0.70 in (1992) |
| September 8 | 82.9°F (1989) | 39.0°F (1962) | 0.69 in (1994) |
| September 9 | 88.0°F (1963) | 37.9°F (1959) | 0.58 in (2000) |
| September 10 | 84.9°F (2020) | 39.9°F (1959) | 0.95 in (1983) |
| September 11 | 82.9°F (1975) | 39.0°F (1988) | 0.67 in (1966) |
| September 12 | 80.1°F (1975) | 33.1°F (1949) | 0.95 in (2010) |
| September 13 | 82.9°F (1957) | 33.1°F (1970) | 0.48 in (1963) |
| September 14 | 89.1°F (1951) | 39.0°F (1952) | 0.76 in (1965) |
| September 15 | 87.1°F (1951) | 35.1°F (1969) | 1.75 in (2019) |
| September 16 | 84.9°F (2025) | 36.0°F (1992) | 0.85 in (1958) |
| September 17 | 81.0°F (1991) | 37.0°F (1971) | 1.45 in (2021) |
| September 18 | 78.1°F (1991) | 37.0°F (1972) | 0.59 in (1988) |
| September 19 | 84.9°F (1974) | 33.1°F (1957) | 0.72 in (1960) |
| September 20 | 89.1°F (1974) | 35.1°F (1968) | 0.55 in (2008) |
| September 21 | 84.9°F (1952) | 32.0°F (1955) | 0.61 in (1964) |
| September 22 | 82.9°F (1975) | 34.0°F (1955) | 1.68 in (1969) |
| September 23 | 79.0°F (1957) | 33.1°F (2000) | 0.97 in (1986) |
| September 24 | 82.0°F (1974) | 34.0°F (1955) | 1.76 in (1959) |
| September 25 | 75.9°F (1991) | 30.9°F (1972) | 1.00 in (2024) |
| September 26 | 79.0°F (1949) | 36.0°F (1951) | 0.70 in (1956) |
| September 27 | 81.0°F (1963) | 28.0°F (1972) | 0.66 in (1953) |
| September 28 | 87.1°F (2003) | 33.1°F (1983) | 1.10 in (1971) |
| September 29 | 77.0°F (2008) | 32.0°F (1954) | 0.98 in (2005) |
| September 30 | 77.0°F (1987) | 32.0°F (1950) | 0.73 in (2007) |