September weather in Dawson, TX
The average temperature in Dawson in September is 77.9°F (66.6°F–89.3°F). Average precipitation: 3.23 inches.
September is a fall month in Dawson, and is warmer than the annual average of 65.9°F. Daily temperatures swing about 22.7°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
89.3°F
Avg Low
66.6°F
Precipitation
3.23 in
Daylight
12h 11m
September records in Dawson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 109.9°F (2000) | 59.0°F (1998) | 2.68 in (1965) |
| September 2 | 108.0°F (2000) | 60.1°F (1987) | 4.70 in (2020) |
| September 3 | 109.0°F (2000) | 57.9°F (1974) | 1.07 in (2022) |
| September 4 | 109.9°F (2000) | 53.1°F (1974) | 1.43 in (2020) |
| September 5 | 111.9°F (2000) | 52.0°F (1974) | 4.08 in (1967) |
| September 6 | 104.0°F (2000) | 48.0°F (1997) | 3.50 in (2007) |
| September 7 | 102.0°F (1963) | 52.0°F (1997) | 2.04 in (1967) |
| September 8 | 105.1°F (2023) | 55.0°F (2011) | 3.20 in (2010) |
| September 9 | 107.1°F (2023) | 53.1°F (2004) | 1.98 in (2010) |
| September 10 | 99.0°F (1972) | 53.1°F (2004) | 1.64 in (1990) |
| September 11 | 99.0°F (1963) | 54.0°F (1968) | 0.84 in (2018) |
| September 12 | 100.9°F (2000) | 55.9°F (1968) | 1.20 in (1998) |
| September 13 | 102.9°F (2011) | 43.0°F (1993) | 2.12 in (2009) |
| September 14 | 105.1°F (2011) | 54.0°F (1989) | 3.12 in (1993) |
| September 15 | 102.0°F (2011) | 48.9°F (1993) | 1.97 in (1967) |
| September 16 | 100.0°F (1980) | 48.9°F (1993) | 3.13 in (1998) |
| September 17 | 100.0°F (1980) | 42.1°F (2008) | 4.30 in (1970) |
| September 18 | 100.0°F (1997) | 45.0°F (1981) | 0.85 in (2006) |
| September 19 | 98.1°F (1980) | 43.0°F (1981) | 1.28 in (1979) |
| September 20 | 99.0°F (1980) | 46.9°F (1971) | 1.92 in (1979) |
| September 21 | 99.0°F (1999) | 46.9°F (1983) | 2.76 in (2013) |
| September 22 | 99.0°F (2005) | 43.0°F (1983) | 1.35 in (1965) |
| September 23 | 100.9°F (2005) | 42.1°F (1995) | 4.23 in (1991) |
| September 24 | 99.0°F (2005) | 43.0°F (1995) | 1.67 in (2024) |
| September 25 | 98.1°F (2023) | 41.0°F (1989) | 1.51 in (1971) |
| September 26 | 104.0°F (2005) | 45.0°F (1989) | 0.98 in (2016) |
| September 27 | 107.1°F (2005) | 45.0°F (2000) | 1.63 in (1973) |
| September 28 | 102.0°F (2005) | 39.0°F (1996) | 1.05 in (2017) |
| September 29 | 102.9°F (2005) | 39.9°F (1996) | 2.17 in (2017) |
| September 30 | 99.0°F (2011) | 42.1°F (1984) | 4.15 in (1988) |