September weather in Parker, ID
The average temperature in Parker in September is 56.8°F (41.2°F–72.5°F). Average precipitation: 1.06 inches.
September is a fall month in Parker, and is warmer than the annual average of 43.1°F. Daily temperatures swing about 31.3°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
72.5°F
Avg Low
41.2°F
Precipitation
1.06 in
Daylight
12h 17m
September records in Parker
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1991) | 28.0°F (2006) | 1.22 in (1972) |
| September 2 | 95.0°F (1948) | 30.9°F (1975) | 0.25 in (1966) |
| September 3 | 93.9°F (1950) | 27.0°F (1964) | 0.28 in (1971) |
| September 4 | 91.9°F (1950) | 28.0°F (1965) | 0.90 in (1990) |
| September 5 | 91.0°F (1967) | 27.0°F (2015) | 0.65 in (1970) |
| September 6 | 93.0°F (1955) | 24.1°F (1895) | 0.35 in (1978) |
| September 7 | 93.0°F (2022) | 23.0°F (1912) | 1.00 in (2002) |
| September 8 | 88.0°F (1979) | 23.0°F (1992) | 0.63 in (2019) |
| September 9 | 89.1°F (1994) | 24.1°F (1962) | 1.24 in (1950) |
| September 10 | 90.0°F (1968) | 30.0°F (1962) | 0.37 in (2019) |
| September 11 | 89.1°F (1968) | 25.0°F (1988) | 0.33 in (1976) |
| September 12 | 90.0°F (1990) | 24.1°F (1988) | 0.98 in (1985) |
| September 13 | 89.1°F (1990) | 24.1°F (1989) | 0.44 in (1998) |
| September 14 | 89.1°F (1948) | 21.9°F (1992) | 0.66 in (1895) |
| September 15 | 91.9°F (1990) | 24.1°F (1895) | 0.86 in (1966) |
| September 16 | 87.1°F (1990) | 27.0°F (1970) | 0.74 in (2006) |
| September 17 | 89.1°F (2000) | 21.0°F (1949) | 0.75 in (1944) |
| September 18 | 88.0°F (1895) | 19.9°F (1983) | 0.71 in (2013) |
| September 19 | 89.1°F (1956) | 19.0°F (1965) | 0.62 in (1948) |
| September 20 | 84.9°F (1984) | 15.1°F (1912) | 1.22 in (2019) |
| September 21 | 84.0°F (1953) | 12.9°F (1895) | 0.80 in (2017) |
| September 22 | 84.9°F (1949) | 18.0°F (1995) | 0.75 in (2006) |
| September 23 | 84.9°F (1943) | 19.0°F (1995) | 0.62 in (1912) |
| September 24 | 86.0°F (1987) | 18.0°F (2000) | 1.65 in (2016) |
| September 25 | 87.1°F (1994) | 21.0°F (1970) | 0.33 in (1955) |
| September 26 | 86.0°F (1952) | 21.0°F (1992) | 0.56 in (1998) |
| September 27 | 87.1°F (1949) | 19.9°F (1992) | 0.35 in (1983) |
| September 28 | 84.9°F (1963) | 18.0°F (1950) | 1.14 in (1983) |
| September 29 | 84.9°F (1957) | 16.0°F (1999) | 0.26 in (1981) |
| September 30 | 87.1°F (1957) | 16.0°F (1985) | 0.60 in (2023) |