September weather in Nacogdoches, TX
The average temperature in Nacogdoches in September is 77.4°F (66.9°F–87.8°F). Average precipitation: 4.07 inches.
September is a fall month in Nacogdoches, and is warmer than the annual average of 65.8°F. Daily temperatures swing about 20.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 11m. For travel, September is a comfortable month to visit.
Avg High
87.8°F
Avg Low
66.9°F
Precipitation
4.07 in
Daylight
12h 11m
September records in Nacogdoches
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 111.0°F (2000) | 62.1°F (1992) | 3.28 in (1981) |
| September 2 | 111.9°F (2000) | 61.0°F (1987) | 3.50 in (1994) |
| September 3 | 109.9°F (2000) | 57.9°F (1974) | 1.71 in (2010) |
| September 4 | 111.0°F (2000) | 51.1°F (1974) | 1.97 in (2001) |
| September 5 | 111.0°F (2000) | 51.1°F (1974) | 2.78 in (1973) |
| September 6 | 104.0°F (2000) | 48.9°F (1974) | 0.91 in (2017) |
| September 7 | 105.1°F (2023) | 48.0°F (2011) | 0.39 in (2007) |
| September 8 | 102.0°F (2012) | 53.1°F (1988) | 0.92 in (2020) |
| September 9 | 99.0°F (1998) | 52.0°F (2024) | 2.16 in (1974) |
| September 10 | 100.0°F (1997) | 52.0°F (2011) | 3.23 in (1989) |
| September 11 | 98.1°F (1980) | 53.1°F (2011) | 1.35 in (2015) |
| September 12 | 102.0°F (2011) | 55.9°F (1976) | 2.35 in (1998) |
| September 13 | 105.1°F (2011) | 50.0°F (2015) | 1.43 in (1974) |
| September 14 | 106.0°F (2011) | 54.0°F (2015) | 2.14 in (2008) |
| September 15 | 102.9°F (2011) | 51.1°F (1989) | 2.13 in (1993) |
| September 16 | 102.0°F (2025) | 51.1°F (1989) | 1.86 in (1998) |
| September 17 | 98.1°F (1980) | 52.0°F (1989) | 0.79 in (1994) |
| September 18 | 102.0°F (2005) | 48.9°F (1981) | 2.56 in (2006) |
| September 19 | 100.9°F (2005) | 46.0°F (1981) | 3.40 in (1996) |
| September 20 | 102.9°F (2005) | 50.0°F (1981) | 2.75 in (1979) |
| September 21 | 102.9°F (2005) | 50.0°F (1983) | 2.81 in (2013) |
| September 22 | 104.0°F (2005) | 42.1°F (1983) | 2.56 in (1984) |
| September 23 | 102.0°F (2005) | 45.0°F (1994) | 2.00 in (2018) |
| September 24 | 102.0°F (2005) | 46.0°F (1994) | 1.70 in (1997) |
| September 25 | 98.1°F (2024) | 45.0°F (1989) | 4.50 in (2005) |
| September 26 | 99.0°F (2005) | 45.0°F (1989) | 0.81 in (2016) |
| September 27 | 102.0°F (2005) | 45.0°F (1985) | 1.50 in (1996) |
| September 28 | 98.1°F (2005) | 45.0°F (1975) | 2.22 in (1973) |
| September 29 | 98.1°F (2011) | 46.9°F (1991) | 1.69 in (2013) |
| September 30 | 98.1°F (2011) | 46.0°F (2020) | 8.82 in (2012) |