September weather in Dumas, TX
The average temperature in Dumas in September is 69.6°F (56.0°F–83.2°F). Average precipitation: 1.66 inches.
September is a fall month in Dumas, and is warmer than the annual average of 56.5°F. Daily temperatures swing about 27.2°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
83.2°F
Avg Low
56.0°F
Precipitation
1.66 in
Daylight
12h 13m
September records in Dumas
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2011) | 48.9°F (2011) | 2.04 in (1963) |
| September 2 | 100.9°F (1948) | 37.9°F (2011) | 0.50 in (2018) |
| September 3 | 105.1°F (1939) | 24.1°F (2011) | 2.30 in (1996) |
| September 4 | 102.0°F (1945) | 36.0°F (2013) | 1.20 in (1937) |
| September 5 | 102.0°F (1983) | 42.1°F (1961) | 0.93 in (1950) |
| September 6 | 102.9°F (1995) | 45.0°F (1961) | 1.36 in (2014) |
| September 7 | 100.9°F (2000) | 44.1°F (2001) | 1.50 in (1996) |
| September 8 | 99.0°F (2021) | 39.0°F (1941) | 1.48 in (2003) |
| September 9 | 98.1°F (1985) | 34.0°F (2020) | 2.61 in (1960) |
| September 10 | 98.1°F (1998) | 21.9°F (2011) | 0.18 in (2003) |
| September 11 | 100.9°F (2021) | 35.1°F (2013) | 0.57 in (1987) |
| September 12 | 99.0°F (2000) | 37.9°F (2013) | 1.76 in (1985) |
| September 13 | 97.0°F (1967) | 33.1°F (2013) | 1.40 in (1996) |
| September 14 | 100.0°F (1956) | 21.9°F (2012) | 1.14 in (1972) |
| September 15 | 102.9°F (1956) | 28.9°F (2011) | 1.48 in (1964) |
| September 16 | 97.0°F (1956) | 41.0°F (2013) | 1.41 in (1969) |
| September 17 | 99.0°F (1956) | 37.0°F (1965) | 1.11 in (1986) |
| September 18 | 97.0°F (1983) | 37.0°F (1965) | 1.80 in (1969) |
| September 19 | 99.0°F (1997) | 23.0°F (2012) | 2.38 in (1985) |
| September 20 | 100.0°F (1983) | 35.1°F (1942) | 1.26 in (1974) |
| September 21 | 98.1°F (1956) | 30.0°F (2013) | 0.82 in (1990) |
| September 22 | 97.0°F (1980) | 34.0°F (1995) | 1.14 in (1971) |
| September 23 | 93.9°F (1981) | 36.0°F (1995) | 2.23 in (1960) |
| September 24 | 93.0°F (1948) | 36.0°F (2010) | 0.91 in (1960) |
| September 25 | 97.0°F (1998) | 23.0°F (2011) | 0.35 in (1956) |
| September 26 | 98.1°F (2020) | 35.1°F (1970) | 1.80 in (1950) |
| September 27 | 97.0°F (2020) | 32.0°F (2013) | 0.70 in (1996) |
| September 28 | 97.0°F (1953) | 27.0°F (2009) | 1.64 in (1941) |
| September 29 | 95.0°F (1953) | 10.9°F (2011) | 1.50 in (1945) |
| September 30 | 96.1°F (1994) | 28.0°F (1985) | 0.17 in (1990) |