September weather in Adelanto, CA
The average temperature in Adelanto in September is 74.4°F (57.6°F–91.2°F). Average precipitation: 0.16 inches.
September is a fall month in Adelanto, and is warmer than the annual average of 61.9°F. Daily temperatures swing about 33.6°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
91.2°F
Avg Low
57.6°F
Precipitation
0.16 in
Daylight
12h 12m
September records in Adelanto
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (1996) | 42.1°F (1941) | 1.06 in (1998) |
| September 2 | 107.1°F (1976) | 42.1°F (1964) | 0.18 in (1960) |
| September 3 | 109.9°F (2007) | 42.1°F (1944) | 0.10 in (1967) |
| September 4 | 107.1°F (2007) | 41.0°F (1942) | 0.05 in (1997) |
| September 5 | 109.0°F (2020) | 39.9°F (1942) | 0.25 in (1963) |
| September 6 | 113.0°F (2008) | 34.0°F (1942) | 0.80 in (1978) |
| September 7 | 109.0°F (2020) | 43.0°F (1942) | 0.17 in (1995) |
| September 8 | 106.0°F (1955) | 43.0°F (1941) | 0.03 in (2014) |
| September 9 | 111.0°F (2008) | 39.0°F (1941) | 1.08 in (2015) |
| September 10 | 105.1°F (1993) | 39.9°F (1918) | 0.88 in (1976) |
| September 11 | 106.0°F (1993) | 42.1°F (1942) | 2.33 in (1976) |
| September 12 | 106.0°F (1990) | 39.9°F (1952) | 0.03 in (1959) |
| September 13 | 106.0°F (1971) | 41.0°F (1952) | 0.06 in (2011) |
| September 14 | 108.0°F (1971) | 37.0°F (1939) | 0.05 in (1959) |
| September 15 | 108.0°F (2007) | 39.0°F (1941) | 0.20 in (1997) |
| September 16 | 105.1°F (2007) | 37.9°F (1941) | 0.09 in (2015) |
| September 17 | 106.0°F (2000) | 42.1°F (1942) | 1.51 in (1963) |
| September 18 | 104.0°F (2000) | 36.0°F (1942) | 0.52 in (1963) |
| September 19 | 102.0°F (1918) | 35.1°F (1942) | 1.63 in (1963) |
| September 20 | 104.0°F (2000) | 34.0°F (1918) | 0.86 in (1952) |
| September 21 | 104.0°F (2000) | 37.9°F (1941) | 0.19 in (2005) |
| September 22 | 102.0°F (1949) | 34.0°F (1944) | 0.00 in (1917) |
| September 23 | 102.0°F (1949) | 34.0°F (1941) | 0.10 in (1987) |
| September 24 | 104.0°F (2003) | 34.0°F (1918) | 0.35 in (1976) |
| September 25 | 102.9°F (2001) | 34.0°F (1939) | 0.51 in (1943) |
| September 26 | 100.9°F (2008) | 32.0°F (1948) | 0.57 in (1997) |
| September 27 | 102.0°F (2003) | 30.0°F (1939) | 0.08 in (1991) |
| September 28 | 104.0°F (2003) | 32.0°F (1939) | 0.20 in (1918) |
| September 29 | 100.0°F (1992) | 34.0°F (1939) | 0.08 in (1966) |
| September 30 | 99.0°F (1963) | 34.0°F (1982) | 0.12 in (1990) |