September weather in Port Deposit, MD
The average temperature in Port Deposit in September is 69.4°F (60.0°F–78.8°F). Average precipitation: 5.05 inches.
September is a fall month in Port Deposit, and is warmer than the annual average of 55.4°F. Daily temperatures swing about 18.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 15m. For travel, September is a wet month.
Avg High
78.8°F
Avg Low
60.0°F
Precipitation
5.05 in
Daylight
12h 15m
September records in Port Deposit
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (2010) | 51.1°F (1936) | 2.55 in (1952) |
| September 2 | 96.1°F (1953) | 39.9°F (2002) | 4.70 in (2021) |
| September 3 | 99.0°F (1993) | 39.9°F (2002) | 2.39 in (1969) |
| September 4 | 95.0°F (1985) | 46.9°F (1987) | 0.96 in (2003) |
| September 5 | 95.0°F (1985) | 48.9°F (1987) | 2.33 in (1953) |
| September 6 | 97.0°F (1983) | 42.1°F (1988) | 2.46 in (1979) |
| September 7 | 93.9°F (1983) | 41.0°F (1988) | 3.25 in (2008) |
| September 8 | 96.1°F (1939) | 45.0°F (1962) | 5.67 in (1987) |
| September 9 | 93.0°F (1985) | 43.0°F (1986) | 1.65 in (2018) |
| September 10 | 99.0°F (2002) | 42.1°F (1949) | 3.21 in (1968) |
| September 11 | 98.1°F (1983) | 43.0°F (2017) | 3.05 in (1971) |
| September 12 | 91.9°F (1983) | 39.9°F (2017) | 4.02 in (2009) |
| September 13 | 91.9°F (1952) | 39.9°F (1954) | 2.71 in (1987) |
| September 14 | 90.0°F (1972) | 41.0°F (1953) | 2.74 in (1966) |
| September 15 | 91.9°F (1995) | 39.0°F (1964) | 3.61 in (2003) |
| September 16 | 93.0°F (1998) | 39.9°F (1988) | 8.25 in (1999) |
| September 17 | 96.1°F (1991) | 43.0°F (1984) | 1.28 in (1958) |
| September 18 | 90.0°F (2002) | 39.0°F (1937) | 2.03 in (2003) |
| September 19 | 93.0°F (1983) | 37.9°F (1990) | 1.71 in (1989) |
| September 20 | 91.0°F (1983) | 39.9°F (1979) | 2.42 in (1938) |
| September 21 | 90.0°F (1940) | 35.1°F (1956) | 3.60 in (1979) |
| September 22 | 95.0°F (1970) | 35.1°F (1991) | 2.50 in (2003) |
| September 23 | 91.0°F (1970) | 39.9°F (1963) | 2.40 in (1975) |
| September 24 | 91.9°F (1961) | 34.0°F (1963) | 3.70 in (2021) |
| September 25 | 90.0°F (1970) | 35.1°F (1963) | 3.66 in (1975) |
| September 26 | 90.0°F (2010) | 39.0°F (1990) | 1.67 in (1993) |
| September 27 | 93.9°F (1998) | 32.0°F (1991) | 5.29 in (1985) |
| September 28 | 89.1°F (2007) | 35.1°F (1957) | 2.29 in (1974) |
| September 29 | 84.0°F (1954) | 36.0°F (1978) | 2.30 in (1963) |
| September 30 | 90.0°F (1986) | 34.0°F (1951) | 2.15 in (2010) |