September weather in Weiser, ID
The average temperature in Weiser in September is 64.9°F (49.0°F–80.8°F). Average precipitation: 0.40 inches.
September is a fall month in Weiser, and is warmer than the annual average of 52.3°F. Daily temperatures swing about 31.8°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
80.8°F
Avg Low
49.0°F
Precipitation
0.40 in
Daylight
12h 17m
September records in Weiser
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (1950) | 34.0°F (1971) | 0.22 in (1964) |
| September 2 | 102.9°F (1923) | 37.0°F (1975) | 0.28 in (1941) |
| September 3 | 104.0°F (1924) | 36.0°F (1973) | 0.24 in (1936) |
| September 4 | 107.1°F (1924) | 35.1°F (1965) | 0.59 in (1970) |
| September 5 | 99.0°F (2006) | 35.1°F (1969) | 0.32 in (1952) |
| September 6 | 98.1°F (1955) | 35.1°F (1969) | 0.41 in (1978) |
| September 7 | 99.0°F (1923) | 30.0°F (1992) | 0.59 in (1925) |
| September 8 | 100.9°F (1923) | 33.1°F (1927) | 0.39 in (1986) |
| September 9 | 102.0°F (1923) | 34.0°F (1914) | 0.68 in (1998) |
| September 10 | 98.1°F (1923) | 32.0°F (1945) | 0.56 in (1998) |
| September 11 | 98.1°F (1923) | 30.9°F (1916) | 1.03 in (1930) |
| September 12 | 100.9°F (1923) | 28.9°F (1921) | 0.13 in (1972) |
| September 13 | 102.9°F (1923) | 30.0°F (1949) | 0.39 in (1939) |
| September 14 | 100.9°F (1923) | 26.1°F (1970) | 1.23 in (1959) |
| September 15 | 98.1°F (1922) | 28.0°F (1992) | 0.52 in (1976) |
| September 16 | 97.0°F (1919) | 27.0°F (1921) | 0.84 in (1996) |
| September 17 | 100.0°F (1922) | 30.0°F (1921) | 0.53 in (1961) |
| September 18 | 97.0°F (1917) | 28.0°F (1971) | 0.86 in (1961) |
| September 19 | 99.0°F (1917) | 23.0°F (1965) | 0.41 in (1959) |
| September 20 | 99.0°F (1922) | 25.0°F (1965) | 0.45 in (1940) |
| September 21 | 95.0°F (1922) | 25.0°F (1993) | 0.84 in (2008) |
| September 22 | 91.9°F (1935) | 27.0°F (1983) | 0.10 in (1917) |
| September 23 | 93.0°F (1938) | 24.1°F (1926) | 1.20 in (1917) |
| September 24 | 93.9°F (1922) | 24.1°F (1926) | 0.34 in (1917) |
| September 25 | 96.1°F (1949) | 18.0°F (1926) | 0.26 in (1933) |
| September 26 | 95.0°F (2009) | 16.0°F (1926) | 0.52 in (1998) |
| September 27 | 91.9°F (1949) | 23.0°F (1965) | 0.35 in (1956) |
| September 28 | 91.9°F (1918) | 27.0°F (1926) | 0.23 in (1927) |
| September 29 | 90.0°F (1932) | 24.1°F (1985) | 0.36 in (1977) |
| September 30 | 91.0°F (1946) | 24.1°F (1985) | 0.51 in (1967) |