September weather in Alturas, CA
The average temperature in Alturas in September is 59.6°F (38.1°F–81.0°F). Average precipitation: 0.37 inches.
September is a fall month in Alturas, and is warmer than the annual average of 48.4°F. Daily temperatures swing about 42.9°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
81.0°F
Avg Low
38.1°F
Precipitation
0.37 in
Daylight
12h 16m
September records in Alturas
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1955) | 27.0°F (1999) | 0.24 in (1964) |
| September 2 | 102.9°F (1955) | 24.1°F (1973) | 0.42 in (1985) |
| September 3 | 105.1°F (1955) | 27.0°F (1971) | 0.53 in (1912) |
| September 4 | 106.0°F (1955) | 27.0°F (1999) | 0.20 in (1907) |
| September 5 | 104.0°F (1955) | 27.0°F (1910) | 0.17 in (1972) |
| September 6 | 104.0°F (1955) | 25.0°F (1996) | 0.10 in (1908) |
| September 7 | 97.0°F (1957) | 26.1°F (1939) | 0.50 in (1993) |
| September 8 | 93.9°F (1958) | 25.0°F (2002) | 0.91 in (1985) |
| September 9 | 96.1°F (1907) | 25.0°F (1914) | 0.65 in (1985) |
| September 10 | 93.0°F (1953) | 24.1°F (2005) | 0.39 in (1998) |
| September 11 | 96.1°F (2015) | 24.1°F (1911) | 0.30 in (1952) |
| September 12 | 93.0°F (1945) | 24.1°F (1910) | 0.70 in (1952) |
| September 13 | 93.9°F (1937) | 23.0°F (1988) | 0.36 in (1980) |
| September 14 | 93.9°F (1916) | 19.9°F (1910) | 0.44 in (1966) |
| September 15 | 95.0°F (1937) | 21.0°F (1936) | 0.83 in (1910) |
| September 16 | 95.0°F (2008) | 21.9°F (1936) | 0.75 in (1910) |
| September 17 | 95.0°F (1913) | 21.0°F (1911) | 0.56 in (1989) |
| September 18 | 93.9°F (1937) | 17.1°F (1911) | 0.63 in (1940) |
| September 19 | 93.0°F (1918) | 19.0°F (1947) | 0.53 in (1956) |
| September 20 | 97.0°F (1953) | 19.9°F (1978) | 0.60 in (1988) |
| September 21 | 91.9°F (1905) | 19.9°F (1993) | 0.17 in (1944) |
| September 22 | 91.0°F (1987) | 19.9°F (1945) | 0.13 in (2007) |
| September 23 | 93.0°F (1987) | 23.0°F (1993) | 0.41 in (1958) |
| September 24 | 93.9°F (2009) | 19.9°F (1961) | 0.24 in (2013) |
| September 25 | 95.0°F (2009) | 15.1°F (1908) | 0.49 in (1911) |
| September 26 | 91.9°F (2003) | 19.0°F (1908) | 1.00 in (1998) |
| September 27 | 96.1°F (1963) | 19.0°F (1908) | 0.91 in (1972) |
| September 28 | 93.9°F (1967) | 19.0°F (1934) | 0.47 in (1907) |
| September 29 | 93.9°F (1967) | 19.0°F (1961) | 0.71 in (1918) |
| September 30 | 91.9°F (1966) | 15.1°F (1950) | 0.73 in (1971) |