September weather in Kamiah, ID
The average temperature in Kamiah in September is 62.6°F (45.6°F–79.7°F). Average precipitation: 1.15 inches.
September is a fall month in Kamiah, and is warmer than the annual average of 50.9°F. Daily temperatures swing about 34.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
79.7°F
Avg Low
45.6°F
Precipitation
1.15 in
Daylight
12h 19m
September records in Kamiah
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1998) | 36.0°F (2022) | 1.01 in (1961) |
| September 2 | 107.1°F (2025) | 36.0°F (2008) | 0.77 in (1964) |
| September 3 | 102.9°F (1998) | 32.0°F (2005) | 0.60 in (1997) |
| September 4 | 102.9°F (1998) | 37.0°F (1999) | 0.60 in (1970) |
| September 5 | 100.9°F (2025) | 27.0°F (2005) | 0.85 in (1940) |
| September 6 | 100.0°F (1998) | 34.0°F (2005) | 0.67 in (1985) |
| September 7 | 95.0°F (1998) | 30.9°F (2005) | 0.55 in (1973) |
| September 8 | 97.0°F (2011) | 30.9°F (2005) | 0.37 in (1998) |
| September 9 | 96.1°F (2011) | 33.1°F (2020) | 1.20 in (1998) |
| September 10 | 93.9°F (2011) | 37.0°F (2007) | 0.53 in (1982) |
| September 11 | 99.0°F (2013) | 37.9°F (1999) | 0.70 in (1917) |
| September 12 | 99.0°F (2013) | 30.9°F (2012) | 0.66 in (1967) |
| September 13 | 96.1°F (2015) | 33.1°F (2012) | 0.65 in (1927) |
| September 14 | 96.1°F (2000) | 36.0°F (2014) | 0.43 in (1963) |
| September 15 | 100.0°F (1998) | 34.0°F (2006) | 0.55 in (1940) |
| September 16 | 96.1°F (2009) | 36.0°F (2017) | 0.73 in (1925) |
| September 17 | 96.1°F (2009) | 37.0°F (2006) | 0.67 in (1985) |
| September 18 | 91.9°F (2008) | 37.0°F (2006) | 0.65 in (1976) |
| September 19 | 91.9°F (2008) | 35.1°F (2018) | 1.30 in (1931) |
| September 20 | 90.0°F (1999) | 34.0°F (2007) | 0.55 in (1969) |
| September 21 | 93.9°F (1999) | 33.1°F (2002) | 0.88 in (2008) |
| September 22 | 95.0°F (1999) | 30.9°F (2005) | 0.40 in (1968) |
| September 23 | 95.0°F (2001) | 26.1°F (2000) | 1.11 in (1958) |
| September 24 | 98.1°F (2001) | 27.0°F (2000) | 1.22 in (1992) |
| September 25 | 93.9°F (2001) | 30.9°F (2007) | 0.95 in (2013) |
| September 26 | 88.0°F (2016) | 30.9°F (2000) | 1.39 in (1950) |
| September 27 | 89.1°F (1980) | 27.0°F (1999) | 0.87 in (1927) |
| September 28 | 91.0°F (2003) | 32.0°F (2005) | 1.00 in (1988) |
| September 29 | 91.9°F (1980) | 30.0°F (1999) | 0.63 in (1925) |
| September 30 | 87.1°F (2003) | 33.1°F (2019) | 0.98 in (2014) |