September weather in Port Townsend, WA
The average temperature in Port Townsend in September is 59.5°F (51.0°F–68.0°F). Average precipitation: 1.10 inches.
September is a fall month in Port Townsend, and is warmer than the annual average of 51.9°F. Daily temperatures swing about 17°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 20m. For travel, September is one of the best months of the year to visit.
Avg High
68.0°F
Avg Low
51.0°F
Precipitation
1.10 in
Daylight
12h 20m
September records in Port Townsend
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 81.0°F (1988) | 39.9°F (1892) | 1.98 in (1983) |
| September 2 | 84.9°F (1988) | 39.9°F (1975) | 0.88 in (1907) |
| September 3 | 84.9°F (1974) | 42.1°F (1892) | 0.93 in (1996) |
| September 4 | 82.9°F (1955) | 41.0°F (1999) | 0.58 in (1922) |
| September 5 | 84.0°F (1955) | 30.0°F (1926) | 1.52 in (1931) |
| September 6 | 84.9°F (1973) | 43.0°F (1947) | 0.69 in (1931) |
| September 7 | 89.1°F (2005) | 43.0°F (1965) | 0.38 in (1973) |
| September 8 | 80.1°F (1907) | 43.0°F (1928) | 0.95 in (1914) |
| September 9 | 82.0°F (1907) | 41.0°F (1928) | 0.70 in (1911) |
| September 10 | 80.1°F (1963) | 39.0°F (1952) | 0.56 in (1962) |
| September 11 | 84.9°F (2007) | 41.0°F (1949) | 1.10 in (1919) |
| September 12 | 89.1°F (2007) | 36.0°F (1949) | 0.93 in (1911) |
| September 13 | 84.0°F (1957) | 41.0°F (1952) | 0.63 in (2003) |
| September 14 | 84.9°F (1951) | 41.0°F (1947) | 0.46 in (1949) |
| September 15 | 89.1°F (1967) | 42.1°F (1901) | 0.78 in (1996) |
| September 16 | 89.1°F (2009) | 42.1°F (1951) | 0.43 in (1958) |
| September 17 | 82.0°F (2009) | 41.0°F (1908) | 0.75 in (1964) |
| September 18 | 79.0°F (1897) | 39.9°F (1947) | 0.73 in (1983) |
| September 19 | 78.1°F (1927) | 35.1°F (1947) | 0.40 in (1972) |
| September 20 | 78.1°F (1952) | 37.9°F (1949) | 0.80 in (1929) |
| September 21 | 84.9°F (1974) | 39.9°F (1955) | 0.36 in (1911) |
| September 22 | 82.0°F (1974) | 39.0°F (1955) | 0.85 in (1900) |
| September 23 | 82.9°F (2004) | 39.9°F (1926) | 0.35 in (1966) |
| September 24 | 79.0°F (1947) | 35.1°F (1926) | 0.81 in (1945) |
| September 25 | 81.0°F (1974) | 35.1°F (1908) | 0.24 in (1956) |
| September 26 | 77.0°F (1947) | 37.9°F (1908) | 0.76 in (1948) |
| September 27 | 77.0°F (1967) | 37.9°F (1972) | 0.80 in (1940) |
| September 28 | 80.1°F (1918) | 39.0°F (1948) | 0.53 in (2007) |
| September 29 | 80.1°F (2003) | 37.9°F (1919) | 0.40 in (1909) |
| September 30 | 75.0°F (1987) | 39.9°F (1903) | 0.55 in (2000) |