September weather in Emmett, ID
The average temperature in Emmett in September is 64.0°F (48.2°F–79.7°F). Average precipitation: 0.42 inches.
September is a fall month in Emmett, and is warmer than the annual average of 51.5°F. Daily temperatures swing about 31.5°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
79.7°F
Avg Low
48.2°F
Precipitation
0.42 in
Daylight
12h 17m
September records in Emmett
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (1916) | 36.0°F (1965) | 1.00 in (1909) |
| September 2 | 100.9°F (1950) | 36.0°F (1910) | 0.35 in (1941) |
| September 3 | 102.9°F (1931) | 34.0°F (1956) | 0.37 in (2000) |
| September 4 | 100.9°F (1998) | 33.1°F (1965) | 0.86 in (2023) |
| September 5 | 100.0°F (1908) | 34.0°F (1956) | 0.40 in (1972) |
| September 6 | 99.0°F (1908) | 36.0°F (1969) | 0.62 in (1978) |
| September 7 | 98.1°F (1924) | 35.1°F (1929) | 0.35 in (1912) |
| September 8 | 100.9°F (2022) | 33.1°F (1960) | 0.45 in (1965) |
| September 9 | 95.0°F (1909) | 32.0°F (1959) | 0.64 in (1985) |
| September 10 | 97.0°F (1944) | 33.1°F (1964) | 0.46 in (1985) |
| September 11 | 98.1°F (1959) | 27.0°F (1982) | 2.00 in (1976) |
| September 12 | 96.1°F (1913) | 32.0°F (1910) | 0.30 in (1930) |
| September 13 | 95.0°F (2015) | 30.0°F (1982) | 1.05 in (1939) |
| September 14 | 95.0°F (1922) | 28.9°F (1970) | 2.47 in (1959) |
| September 15 | 97.0°F (2002) | 30.9°F (1936) | 0.60 in (1963) |
| September 16 | 97.0°F (1937) | 28.9°F (1936) | 0.81 in (1910) |
| September 17 | 98.1°F (1981) | 27.0°F (1965) | 0.95 in (1908) |
| September 18 | 98.1°F (1981) | 21.9°F (1965) | 0.64 in (1961) |
| September 19 | 96.1°F (1922) | 25.0°F (1965) | 0.57 in (1959) |
| September 20 | 99.0°F (1922) | 30.9°F (1958) | 0.51 in (1973) |
| September 21 | 93.9°F (1938) | 32.0°F (1958) | 1.15 in (2008) |
| September 22 | 96.1°F (1966) | 28.0°F (1961) | 0.37 in (2017) |
| September 23 | 93.9°F (1938) | 28.0°F (1984) | 1.56 in (1917) |
| September 24 | 91.9°F (1943) | 26.1°F (1961) | 0.51 in (1977) |
| September 25 | 95.0°F (2011) | 27.0°F (1984) | 0.33 in (2013) |
| September 26 | 91.9°F (1943) | 21.0°F (1908) | 0.62 in (1959) |
| September 27 | 91.0°F (1957) | 26.1°F (1934) | 0.55 in (1986) |
| September 28 | 91.0°F (1963) | 30.0°F (1984) | 0.82 in (1927) |
| September 29 | 91.9°F (1967) | 28.0°F (1985) | 0.60 in (2014) |
| September 30 | 93.9°F (1963) | 26.1°F (1954) | 0.79 in (1967) |