September weather in Bastrop, TX
The average temperature in Bastrop in September is 79.6°F (67.8°F–91.3°F). Average precipitation: 3.73 inches.
September is a fall month in Bastrop, and is warmer than the annual average of 68.5°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 10m. For travel, September is hot.
Avg High
91.3°F
Avg Low
67.8°F
Precipitation
3.73 in
Daylight
12h 10m
September records in Bastrop
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (1939) | 57.0°F (1987) | 2.00 in (1981) |
| September 2 | 108.0°F (1939) | 57.0°F (1987) | 1.70 in (1943) |
| September 3 | 107.1°F (1939) | 54.0°F (1987) | 2.47 in (1932) |
| September 4 | 107.1°F (2000) | 53.1°F (1934) | 3.10 in (1953) |
| September 5 | 111.0°F (2000) | 53.1°F (1987) | 3.01 in (1968) |
| September 6 | 109.9°F (2000) | 55.0°F (1988) | 1.20 in (1935) |
| September 7 | 104.0°F (1948) | 51.1°F (2011) | 2.17 in (1958) |
| September 8 | 104.0°F (2012) | 52.0°F (2011) | 2.50 in (2018) |
| September 9 | 105.1°F (1940) | 53.1°F (2011) | 1.16 in (1921) |
| September 10 | 106.0°F (1940) | 53.1°F (2012) | 2.10 in (1952) |
| September 11 | 100.9°F (1936) | 53.1°F (2012) | 4.50 in (2003) |
| September 12 | 102.0°F (2011) | 53.1°F (1959) | 6.60 in (1961) |
| September 13 | 102.0°F (2011) | 50.0°F (1940) | 3.52 in (1963) |
| September 14 | 102.9°F (2011) | 54.0°F (1940) | 2.50 in (1951) |
| September 15 | 100.9°F (2011) | 54.0°F (1945) | 2.82 in (1968) |
| September 16 | 102.0°F (1988) | 54.0°F (1945) | 1.98 in (1984) |
| September 17 | 102.0°F (1933) | 54.0°F (1930) | 6.67 in (1964) |
| September 18 | 102.9°F (1933) | 50.0°F (1981) | 4.50 in (2006) |
| September 19 | 102.9°F (1937) | 46.0°F (1981) | 2.60 in (1983) |
| September 20 | 102.9°F (1937) | 46.0°F (1981) | 2.80 in (2013) |
| September 21 | 102.9°F (1956) | 50.0°F (1928) | 2.70 in (1967) |
| September 22 | 104.0°F (1956) | 45.0°F (1983) | 3.95 in (1992) |
| September 23 | 102.0°F (2005) | 43.0°F (1994) | 2.35 in (1957) |
| September 24 | 102.0°F (1937) | 43.0°F (1947) | 1.23 in (1932) |
| September 25 | 104.0°F (2005) | 43.0°F (1994) | 2.00 in (1971) |
| September 26 | 108.0°F (2005) | 45.0°F (1989) | 2.48 in (2016) |
| September 27 | 107.1°F (2005) | 43.0°F (1942) | 1.50 in (1946) |
| September 28 | 105.1°F (2005) | 42.1°F (2008) | 1.95 in (2013) |
| September 29 | 106.0°F (2005) | 39.0°F (2008) | 1.20 in (2012) |
| September 30 | 106.0°F (2005) | 45.0°F (1967) | 1.38 in (1985) |