September weather in Buellton, CA
The average temperature in Buellton in September is °F (°F–°F). Average precipitation: 0.10 inches.
September is a fall month in Buellton, and is cooler than the annual average of 0°F. Expect about 0 days with precipitation. Daylight averages about 12h 12m.
Avg High
°F
Avg Low
°F
Precipitation
0.10 in
Daylight
12h 12m
September records in Buellton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (1998) | 46.0°F (1999) | 0.16 in (1921) |
| September 2 | 100.0°F (2002) | 48.0°F (2000) | 0.00 in (1894) |
| September 3 | 95.0°F (2002) | 46.0°F (2005) | 0.54 in (1997) |
| September 4 | 95.0°F (2002) | 46.9°F (2000) | 0.08 in (1998) |
| September 5 | 98.1°F (2004) | 42.1°F (2000) | 1.57 in (1978) |
| September 6 | 99.0°F (2004) | 43.0°F (2000) | 0.60 in (1978) |
| September 7 | 99.0°F (2004) | 45.0°F (2000) | 0.59 in (1958) |
| September 8 | 97.0°F (2004) | 41.0°F (2002) | 0.32 in (1958) |
| September 9 | 91.9°F (2002) | 41.0°F (2002) | 0.00 in (1894) |
| September 10 | 97.0°F (2004) | 41.0°F (2002) | 0.14 in (1976) |
| September 11 | 93.9°F (2000) | 41.0°F (2000) | 2.32 in (1976) |
| September 12 | 93.0°F (2000) | 41.0°F (2000) | 0.00 in (1894) |
| September 13 | 95.0°F (2000) | 46.9°F (2006) | 0.25 in (1984) |
| September 14 | 88.0°F (2002) | 46.0°F (2001) | 0.14 in (1910) |
| September 15 | 86.0°F (1997) | 46.9°F (2002) | 0.70 in (1910) |
| September 16 | 96.1°F (2000) | 43.0°F (1996) | 0.06 in (1982) |
| September 17 | 91.9°F (2000) | 41.0°F (2006) | 0.34 in (1921) |
| September 18 | 90.0°F (2000) | 46.0°F (1996) | 0.34 in (1921) |
| September 19 | 90.0°F (1996) | 39.9°F (2006) | 0.44 in (1963) |
| September 20 | 87.1°F (2003) | 41.0°F (1999) | 0.03 in (1976) |
| September 21 | 104.0°F (1939) | 41.0°F (2004) | 0.05 in (1967) |
| September 22 | 99.0°F (1939) | 41.0°F (2004) | 0.16 in (1990) |
| September 23 | 98.1°F (1939) | 41.0°F (2004) | 0.56 in (1958) |
| September 24 | 93.9°F (2002) | 41.0°F (2004) | 0.25 in (1986) |
| September 25 | 91.0°F (2001) | 41.0°F (2004) | 1.85 in (1939) |
| September 26 | 91.0°F (2004) | 39.9°F (2005) | 0.23 in (1898) |
| September 27 | 95.0°F (1997) | 41.0°F (2004) | 0.56 in (1938) |
| September 28 | 99.0°F (1997) | 43.0°F (2006) | 1.35 in (1894) |
| September 29 | 95.0°F (1999) | 43.0°F (2004) | 2.18 in (1976) |
| September 30 | 97.0°F (2001) | 43.0°F (2002) | 1.90 in (1916) |