September weather in Tehachapi, CA
The average temperature in Tehachapi in September is 65.6°F (50.5°F–80.7°F). Average precipitation: 0.15 inches.
September is a fall month in Tehachapi, and is warmer than the annual average of 54.5°F. Daily temperatures swing about 30.2°F between overnight low and afternoon high. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
80.7°F
Avg Low
50.5°F
Precipitation
0.15 in
Daylight
12h 12m
September records in Tehachapi
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (2017) | 43.0°F (1999) | 0.00 in (1997) |
| September 2 | 95.0°F (2025) | 46.9°F (2010) | 0.25 in (1997) |
| September 3 | 98.1°F (2017) | 46.0°F (2021) | 0.16 in (1998) |
| September 4 | 98.1°F (2017) | 43.0°F (2004) | 0.94 in (1998) |
| September 5 | 99.0°F (2020) | 43.0°F (2016) | 0.05 in (1998) |
| September 6 | 93.0°F (2019) | 39.0°F (2000) | 0.00 in (1997) |
| September 7 | 91.9°F (2008) | 42.1°F (2002) | 0.14 in (1998) |
| September 8 | 98.1°F (2021) | 44.1°F (2025) | 0.15 in (1998) |
| September 9 | 98.1°F (2021) | 41.0°F (2002) | 0.00 in (1997) |
| September 10 | 95.0°F (2021) | 37.9°F (2010) | 0.00 in (1997) |
| September 11 | 89.1°F (2000) | 43.0°F (1998) | 0.21 in (2017) |
| September 12 | 91.9°F (2009) | 39.0°F (2005) | 0.07 in (2017) |
| September 13 | 91.9°F (2009) | 39.0°F (2005) | 0.00 in (1997) |
| September 14 | 95.0°F (2021) | 36.0°F (2016) | 0.00 in (1997) |
| September 15 | 90.0°F (2002) | 37.9°F (2016) | 0.00 in (1997) |
| September 16 | 93.9°F (2000) | 37.0°F (2006) | 0.01 in (2015) |
| September 17 | 91.0°F (2000) | 37.0°F (2006) | 0.00 in (1997) |
| September 18 | 91.0°F (2000) | 39.0°F (2003) | 0.00 in (1997) |
| September 19 | 91.9°F (2000) | 42.1°F (2004) | 0.52 in (2025) |
| September 20 | 93.9°F (2000) | 37.0°F (2019) | 0.45 in (2005) |
| September 21 | 90.0°F (2000) | 35.1°F (2004) | 0.00 in (1997) |
| September 22 | 90.0°F (2002) | 35.1°F (2004) | 0.13 in (2007) |
| September 23 | 91.0°F (2002) | 35.1°F (2019) | 0.01 in (2007) |
| September 24 | 90.0°F (2002) | 35.1°F (2007) | 0.00 in (1997) |
| September 25 | 89.1°F (2015) | 28.9°F (2007) | 0.45 in (1997) |
| September 26 | 91.9°F (2003) | 37.0°F (2017) | 0.02 in (2005) |
| September 27 | 93.0°F (2003) | 33.1°F (2013) | 0.00 in (1997) |
| September 28 | 91.0°F (2003) | 35.1°F (2013) | 0.00 in (1997) |
| September 29 | 93.0°F (2010) | 37.0°F (2019) | 0.00 in (1997) |
| September 30 | 89.1°F (2001) | 39.0°F (2014) | 0.00 in (1997) |