September weather in Yorba Linda, CA
The average temperature in Yorba Linda in September is 75.9°F (64.1°F–87.8°F). Average precipitation: 0.15 inches.
September is a fall month in Yorba Linda, and is warmer than the annual average of 67.7°F. Daily temperatures swing about 23.7°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
87.8°F
Avg Low
64.1°F
Precipitation
0.15 in
Daylight
12h 12m
September records in Yorba Linda
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (2002) | 57.9°F (1989) | 0.05 in (2020) |
| September 2 | 106.0°F (2007) | 54.0°F (1989) | 0.00 in (1989) |
| September 3 | 107.1°F (2007) | 55.0°F (1989) | 0.10 in (1998) |
| September 4 | 107.1°F (2022) | 55.9°F (1989) | 0.50 in (2014) |
| September 5 | 109.0°F (2020) | 55.9°F (2000) | 0.01 in (1991) |
| September 6 | 111.9°F (2024) | 55.9°F (2000) | 0.00 in (1989) |
| September 7 | 102.9°F (2022) | 57.0°F (1989) | 0.00 in (1989) |
| September 8 | 107.1°F (2024) | 55.0°F (1989) | 0.50 in (2011) |
| September 9 | 104.0°F (2024) | 55.9°F (2000) | 0.21 in (2015) |
| September 10 | 100.0°F (2015) | 54.0°F (2000) | 0.28 in (2022) |
| September 11 | 100.0°F (1990) | 55.9°F (1991) | 0.08 in (2013) |
| September 12 | 98.1°F (2000) | 55.9°F (1996) | 0.00 in (1989) |
| September 13 | 98.1°F (2014) | 51.1°F (1991) | 0.00 in (1989) |
| September 14 | 105.1°F (2012) | 55.0°F (1994) | 0.01 in (2015) |
| September 15 | 102.9°F (2012) | 57.0°F (2005) | 1.41 in (2015) |
| September 16 | 100.9°F (2014) | 57.0°F (1990) | 0.05 in (2015) |
| September 17 | 100.0°F (2014) | 55.0°F (2006) | 0.00 in (1989) |
| September 18 | 100.0°F (2020) | 53.1°F (1993) | 0.11 in (2025) |
| September 19 | 100.9°F (2016) | 55.0°F (1989) | 0.48 in (1989) |
| September 20 | 102.9°F (2015) | 55.0°F (1989) | 0.33 in (2005) |
| September 21 | 104.0°F (2021) | 54.0°F (2001) | 0.01 in (2017) |
| September 22 | 102.0°F (2021) | 55.0°F (2001) | 0.26 in (2007) |
| September 23 | 104.0°F (2009) | 55.0°F (2010) | 0.12 in (2000) |
| September 24 | 102.9°F (2009) | 55.0°F (1993) | 0.00 in (1989) |
| September 25 | 102.0°F (2016) | 55.0°F (1993) | 0.43 in (1997) |
| September 26 | 107.1°F (2010) | 53.1°F (1993) | 0.00 in (1989) |
| September 27 | 109.0°F (2010) | 55.9°F (2013) | 0.00 in (1989) |
| September 28 | 107.1°F (2010) | 55.0°F (1998) | 0.00 in (1989) |
| September 29 | 106.0°F (1999) | 54.0°F (2001) | 0.00 in (1989) |
| September 30 | 108.0°F (1999) | 53.1°F (2002) | 0.00 in (1989) |