September weather in Terrell, TX
The average temperature in Terrell in September is 78.2°F (67.0°F–89.5°F). Average precipitation: 2.74 inches.
September is a fall month in Terrell, and is warmer than the annual average of 66.4°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 11m. For travel, September is hot.
Avg High
89.5°F
Avg Low
67.0°F
Precipitation
2.74 in
Daylight
12h 11m
September records in Terrell
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 108.0°F (2000) | 63.0°F (2004) | 2.10 in (2022) |
| September 2 | 107.1°F (2000) | 66.0°F (2004) | 0.39 in (2020) |
| September 3 | 109.0°F (2000) | 64.0°F (2004) | 1.98 in (2001) |
| September 4 | 109.9°F (2000) | 61.0°F (2010) | 0.44 in (2006) |
| September 5 | 100.9°F (2012) | 61.0°F (2010) | 3.44 in (2007) |
| September 6 | 102.9°F (2023) | 57.0°F (2017) | 0.44 in (2014) |
| September 7 | 106.0°F (2023) | 53.1°F (2017) | 1.80 in (2018) |
| September 8 | 108.0°F (2023) | 55.9°F (2017) | 2.19 in (2010) |
| September 9 | 97.0°F (2014) | 52.0°F (2024) | 1.53 in (2020) |
| September 10 | 99.0°F (2014) | 54.0°F (2024) | 0.71 in (2008) |
| September 11 | 99.0°F (2000) | 57.9°F (2017) | 1.02 in (2003) |
| September 12 | 102.0°F (2011) | 57.0°F (2017) | 1.99 in (2000) |
| September 13 | 107.1°F (2011) | 55.9°F (2017) | 1.82 in (2008) |
| September 14 | 98.1°F (2019) | 55.9°F (2006) | 1.44 in (2009) |
| September 15 | 97.0°F (2005) | 55.9°F (2008) | 1.03 in (2005) |
| September 16 | 98.1°F (2013) | 52.0°F (2008) | 2.50 in (1998) |
| September 17 | 96.1°F (2004) | 54.0°F (2000) | 1.35 in (2006) |
| September 18 | 97.0°F (2005) | 53.1°F (2000) | 0.76 in (2011) |
| September 19 | 99.0°F (2024) | 51.1°F (2012) | 0.28 in (2013) |
| September 20 | 99.0°F (2005) | 55.0°F (2020) | 2.90 in (2013) |
| September 21 | 98.1°F (2005) | 57.0°F (1999) | 1.57 in (2018) |
| September 22 | 100.0°F (2005) | 46.9°F (1999) | 2.17 in (2018) |
| September 23 | 98.1°F (2005) | 48.0°F (1999) | 0.77 in (2024) |
| September 24 | 98.1°F (2023) | 50.0°F (2021) | 0.28 in (2005) |
| September 25 | 99.0°F (2005) | 48.0°F (2000) | 2.22 in (2023) |
| September 26 | 102.0°F (2005) | 43.0°F (2000) | 0.12 in (2018) |
| September 27 | 97.0°F (2005) | 46.0°F (2000) | 0.11 in (2020) |
| September 28 | 98.1°F (2005) | 46.9°F (2000) | 0.27 in (2013) |
| September 29 | 102.0°F (2011) | 46.9°F (2020) | 1.40 in (2012) |
| September 30 | 95.0°F (2019) | 46.0°F (1999) | 0.45 in (2012) |