September weather in Payette, ID
The average temperature in Payette in September is 65.2°F (50.1°F–80.3°F). Average precipitation: 0.85 inches.
September is a fall month in Payette, and is warmer than the annual average of 53.2°F. Daily temperatures swing about 30.2°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
80.3°F
Avg Low
50.1°F
Precipitation
0.85 in
Daylight
12h 17m
September records in Payette
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (1967) | 35.1°F (1908) | 0.17 in (1907) |
| September 2 | 100.0°F (1903) | 36.0°F (1914) | 0.43 in (1985) |
| September 3 | 98.1°F (1903) | 32.0°F (1894) | 0.36 in (2023) |
| September 4 | 97.0°F (1935) | 37.0°F (1932) | 0.90 in (1940) |
| September 5 | 100.0°F (1998) | 34.0°F (1905) | 0.41 in (1903) |
| September 6 | 100.0°F (1903) | 30.9°F (1895) | 0.55 in (1952) |
| September 7 | 100.0°F (1905) | 30.0°F (1895) | 0.30 in (1893) |
| September 8 | 99.0°F (1902) | 32.0°F (1976) | 0.22 in (1918) |
| September 9 | 97.0°F (1944) | 30.9°F (1976) | 0.27 in (1906) |
| September 10 | 97.0°F (1963) | 30.9°F (1983) | 0.55 in (1942) |
| September 11 | 97.0°F (1959) | 30.9°F (1916) | 0.77 in (1893) |
| September 12 | 100.0°F (1899) | 28.0°F (1921) | 0.43 in (1895) |
| September 13 | 95.0°F (1987) | 28.9°F (1921) | 0.29 in (1939) |
| September 14 | 95.0°F (1937) | 28.0°F (1915) | 1.31 in (1959) |
| September 15 | 99.0°F (1898) | 28.0°F (1936) | 0.46 in (1954) |
| September 16 | 93.9°F (1937) | 26.1°F (1921) | 0.95 in (1910) |
| September 17 | 98.1°F (1898) | 27.0°F (1921) | 0.76 in (1908) |
| September 18 | 100.0°F (1898) | 26.1°F (1965) | 0.57 in (1961) |
| September 19 | 95.0°F (1898) | 25.0°F (1965) | 0.50 in (1921) |
| September 20 | 99.0°F (1906) | 28.0°F (1983) | 0.60 in (1940) |
| September 21 | 96.1°F (1898) | 26.1°F (1983) | 0.35 in (1945) |
| September 22 | 97.0°F (1966) | 26.1°F (1895) | 0.30 in (1917) |
| September 23 | 96.1°F (1896) | 28.0°F (1932) | 1.41 in (1917) |
| September 24 | 93.9°F (1899) | 28.9°F (1913) | 0.22 in (1917) |
| September 25 | 95.0°F (2001) | 25.0°F (1913) | 0.27 in (1981) |
| September 26 | 91.9°F (2009) | 23.0°F (1934) | 0.56 in (1998) |
| September 27 | 93.0°F (1963) | 24.1°F (1934) | 0.80 in (1898) |
| September 28 | 91.0°F (1963) | 28.0°F (1896) | 0.46 in (1909) |
| September 29 | 93.0°F (1963) | 28.0°F (1922) | 0.63 in (2025) |
| September 30 | 91.0°F (1989) | 25.0°F (1985) | 0.57 in (2025) |