September weather in Aberdeen, ID
The average temperature in Aberdeen in September is 58.4°F (40.4°F–76.4°F). Average precipitation: 0.83 inches.
September is a fall month in Aberdeen, and is warmer than the annual average of 45.4°F. Daily temperatures swing about 36°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
76.4°F
Avg Low
40.4°F
Precipitation
0.83 in
Daylight
12h 17m
September records in Aberdeen
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (2022) | 30.0°F (2006) | 0.87 in (1963) |
| September 2 | 95.0°F (1950) | 30.0°F (1926) | 0.63 in (1973) |
| September 3 | 99.0°F (2009) | 30.0°F (1964) | 0.32 in (1919) |
| September 4 | 100.0°F (2022) | 26.1°F (1921) | 0.55 in (2023) |
| September 5 | 96.1°F (2020) | 28.9°F (1921) | 0.55 in (2007) |
| September 6 | 99.0°F (2020) | 27.0°F (1996) | 0.33 in (2007) |
| September 7 | 100.0°F (2022) | 28.0°F (2010) | 0.63 in (2002) |
| September 8 | 99.0°F (2022) | 26.1°F (1929) | 0.56 in (1980) |
| September 9 | 91.9°F (1994) | 25.0°F (1962) | 0.48 in (1985) |
| September 10 | 95.0°F (2021) | 23.0°F (1916) | 0.39 in (1991) |
| September 11 | 95.0°F (2021) | 28.9°F (1916) | 0.47 in (2019) |
| September 12 | 95.0°F (1953) | 27.0°F (2014) | 0.61 in (1942) |
| September 13 | 93.0°F (1948) | 24.1°F (1914) | 1.01 in (1998) |
| September 14 | 95.0°F (1948) | 21.0°F (1915) | 0.49 in (1980) |
| September 15 | 93.9°F (1990) | 18.0°F (1936) | 0.45 in (1959) |
| September 16 | 93.9°F (2000) | 19.0°F (1936) | 0.40 in (1982) |
| September 17 | 91.9°F (2000) | 21.9°F (1921) | 0.50 in (2024) |
| September 18 | 93.9°F (1937) | 21.0°F (1936) | 0.63 in (1996) |
| September 19 | 90.0°F (1981) | 21.0°F (1965) | 0.92 in (1961) |
| September 20 | 90.0°F (1922) | 19.0°F (1924) | 0.96 in (1925) |
| September 21 | 90.0°F (1936) | 21.0°F (1983) | 1.02 in (2017) |
| September 22 | 88.0°F (1938) | 21.0°F (1934) | 0.52 in (2022) |
| September 23 | 88.0°F (1966) | 19.0°F (1996) | 0.62 in (2016) |
| September 24 | 90.0°F (2001) | 17.1°F (2000) | 0.55 in (2016) |
| September 25 | 91.9°F (2001) | 9.0°F (1926) | 0.35 in (1915) |
| September 26 | 89.1°F (2001) | 14.0°F (1926) | 1.15 in (1915) |
| September 27 | 89.1°F (2010) | 15.1°F (1926) | 0.75 in (2014) |
| September 28 | 89.1°F (1938) | 19.0°F (1999) | 0.28 in (1940) |
| September 29 | 89.1°F (2010) | 19.0°F (1922) | 0.60 in (2019) |
| September 30 | 88.0°F (1957) | 19.0°F (1985) | 0.64 in (1926) |