September weather in Hallettsville, TX
The average temperature in Hallettsville in September is 81.7°F (71.0°F–92.4°F). Average precipitation: 3.67 inches.
September is a fall month in Hallettsville, and is warmer than the annual average of 71.7°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 10m. For travel, September is hot.
Avg High
92.4°F
Avg Low
71.0°F
Precipitation
3.67 in
Daylight
12h 10m
September records in Hallettsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1927) | 54.0°F (1893) | 2.49 in (1981) |
| September 2 | 105.1°F (1951) | 53.1°F (1893) | 2.28 in (2003) |
| September 3 | 106.0°F (2000) | 48.0°F (1893) | 1.96 in (2003) |
| September 4 | 105.1°F (2000) | 54.0°F (1893) | 1.13 in (1961) |
| September 5 | 109.9°F (2000) | 53.1°F (1974) | 1.28 in (1968) |
| September 6 | 107.1°F (2023) | 54.0°F (1974) | 1.19 in (1901) |
| September 7 | 106.0°F (1963) | 57.9°F (1953) | 3.25 in (1958) |
| September 8 | 109.0°F (2023) | 55.9°F (1957) | 4.12 in (2010) |
| September 9 | 105.1°F (2023) | 52.0°F (1957) | 2.88 in (1959) |
| September 10 | 102.0°F (1954) | 55.9°F (1957) | 3.50 in (1971) |
| September 11 | 104.0°F (1893) | 55.0°F (1943) | 4.08 in (1998) |
| September 12 | 104.0°F (1893) | 57.9°F (1943) | 6.75 in (1961) |
| September 13 | 102.9°F (1930) | 48.0°F (1940) | 4.90 in (1978) |
| September 14 | 102.9°F (1965) | 53.1°F (1940) | 1.45 in (1936) |
| September 15 | 102.0°F (1930) | 54.0°F (1902) | 3.50 in (1982) |
| September 16 | 100.9°F (1954) | 9.0°F (1992) | 1.80 in (1912) |
| September 17 | 100.0°F (1933) | 55.0°F (2008) | 3.30 in (1964) |
| September 18 | 102.0°F (1929) | 46.9°F (1903) | 2.01 in (2003) |
| September 19 | 100.9°F (1927) | 48.0°F (1981) | 4.30 in (1979) |
| September 20 | 102.9°F (1956) | 44.1°F (1940) | 2.25 in (1996) |
| September 21 | 105.1°F (1956) | 50.0°F (1938) | 1.51 in (1978) |
| September 22 | 102.0°F (1926) | 46.9°F (1983) | 3.94 in (2020) |
| September 23 | 102.0°F (2023) | 46.0°F (1897) | 4.10 in (1902) |
| September 24 | 102.9°F (2005) | 45.0°F (1947) | 3.15 in (1932) |
| September 25 | 105.1°F (2005) | 48.9°F (1989) | 1.60 in (1913) |
| September 26 | 102.0°F (2005) | 46.9°F (2000) | 1.95 in (2018) |
| September 27 | 102.9°F (2005) | 41.0°F (1942) | 3.36 in (1902) |
| September 28 | 102.9°F (2005) | 46.0°F (1909) | 1.55 in (1921) |
| September 29 | 100.9°F (1929) | 45.0°F (1909) | 2.62 in (1985) |
| September 30 | 100.0°F (1927) | 44.1°F (1916) | 1.76 in (1980) |