September weather in Placerville, ID
The average temperature in Placerville in September is °F (°F–°F). Average precipitation: 0.88 inches.
September is a fall month in Placerville, and is cooler than the annual average of 0°F. Expect about 4 days with precipitation. Daylight averages about 12h 17m.
Avg High
°F
Avg Low
°F
Precipitation
0.88 in
Daylight
12h 17m
September records in Placerville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (2024) | 28.9°F (2011) | 0.74 in (1964) |
| September 2 | 96.1°F (2025) | 28.0°F (2012) | 0.58 in (2000) |
| September 3 | 91.0°F (2025) | 30.0°F (2012) | 0.09 in (1997) |
| September 4 | 90.0°F (2025) | 30.0°F (2011) | 0.51 in (1960) |
| September 5 | 88.0°F (2024) | 32.0°F (2011) | 0.76 in (1972) |
| September 6 | 91.9°F (2024) | 34.0°F (2011) | 1.01 in (2001) |
| September 7 | 91.9°F (2024) | 30.9°F (2011) | 0.36 in (1985) |
| September 8 | 90.0°F (2024) | 30.0°F (2012) | 1.21 in (1985) |
| September 9 | 88.0°F (2024) | 36.0°F (2024) | 1.18 in (1950) |
| September 10 | 87.1°F (2011) | 36.0°F (2024) | 0.87 in (1980) |
| September 11 | 86.0°F (2011) | 30.0°F (2012) | 0.94 in (1976) |
| September 12 | 82.9°F (2011) | 26.1°F (2012) | 0.32 in (2004) |
| September 13 | 82.9°F (2012) | 27.0°F (2012) | 0.38 in (2004) |
| September 14 | 88.0°F (2012) | 28.0°F (2012) | 0.96 in (1959) |
| September 15 | 84.0°F (2012) | 33.1°F (2012) | 0.57 in (1996) |
| September 16 | 81.0°F (2012) | 32.0°F (2025) | 0.38 in (2011) |
| September 17 | 80.1°F (2025) | 28.9°F (2011) | 1.10 in (1985) |
| September 18 | 82.9°F (2025) | 34.0°F (2025) | 0.77 in (1961) |
| September 19 | 84.0°F (2025) | 30.0°F (2012) | 0.80 in (1982) |
| September 20 | 86.0°F (2025) | 32.0°F (2012) | 1.21 in (2008) |
| September 21 | 78.1°F (2011) | 27.0°F (2024) | 0.71 in (1968) |
| September 22 | 82.9°F (2011) | 28.0°F (2024) | 0.11 in (1998) |
| September 23 | 86.0°F (2011) | 27.0°F (2025) | 0.61 in (2007) |
| September 24 | 88.0°F (2011) | 28.0°F (2025) | 1.17 in (1977) |
| September 25 | 87.1°F (2024) | 30.0°F (2025) | 0.29 in (1998) |
| September 26 | 78.1°F (2024) | 30.9°F (2025) | 0.96 in (1986) |
| September 27 | 82.9°F (2024) | 26.1°F (2025) | 0.65 in (1986) |
| September 28 | 89.1°F (2024) | 28.0°F (2025) | 0.24 in (1981) |
| September 29 | 84.0°F (2011) | 28.9°F (2011) | 0.56 in (1977) |
| September 30 | 84.9°F (2011) | 19.9°F (2024) | 1.00 in (1983) |