September weather in Robstown, TX
The average temperature in Robstown in September is 82.1°F (72.4°F–91.9°F). Average precipitation: 5.02 inches.
September is a fall month in Robstown, and is warmer than the annual average of 73.1°F. Daily temperatures swing about 19.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 9m. For travel, September is a wet month.
Avg High
91.9°F
Avg Low
72.4°F
Precipitation
5.02 in
Daylight
12h 9m
September records in Robstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2000) | 70.0°F (1955) | 2.27 in (1975) |
| September 2 | 109.0°F (1983) | 70.0°F (1955) | 1.41 in (1994) |
| September 3 | 102.0°F (2011) | 64.9°F (1955) | 1.54 in (2013) |
| September 4 | 102.9°F (2000) | 61.0°F (1974) | 2.54 in (1967) |
| September 5 | 106.0°F (2000) | 59.0°F (1974) | 1.82 in (1967) |
| September 6 | 108.0°F (2000) | 57.9°F (1974) | 2.00 in (1925) |
| September 7 | 100.0°F (1971) | 60.1°F (1974) | 6.66 in (1955) |
| September 8 | 100.9°F (1993) | 62.1°F (2011) | 3.35 in (1928) |
| September 9 | 102.0°F (1993) | 64.0°F (2011) | 1.90 in (1996) |
| September 10 | 100.0°F (1977) | 64.0°F (1988) | 3.00 in (2015) |
| September 11 | 105.1°F (1965) | 64.9°F (1968) | 10.25 in (1971) |
| September 12 | 102.0°F (1964) | 57.9°F (1959) | 3.80 in (2003) |
| September 13 | 99.0°F (1965) | 63.0°F (1989) | 2.83 in (1974) |
| September 14 | 100.9°F (1982) | 62.1°F (1989) | 4.25 in (1951) |
| September 15 | 100.0°F (1965) | 57.9°F (1979) | 3.20 in (2018) |
| September 16 | 99.0°F (1978) | 60.1°F (1979) | 5.70 in (1922) |
| September 17 | 100.9°F (1987) | 60.1°F (1979) | 6.08 in (2002) |
| September 18 | 100.9°F (1987) | 55.0°F (1981) | 3.35 in (2006) |
| September 19 | 100.0°F (1983) | 53.1°F (1981) | 4.25 in (2010) |
| September 20 | 100.0°F (1977) | 57.9°F (1971) | 4.39 in (2010) |
| September 21 | 100.0°F (1956) | 59.0°F (1971) | 6.38 in (1967) |
| September 22 | 99.0°F (1954) | 53.1°F (1983) | 4.05 in (1928) |
| September 23 | 100.0°F (2005) | 53.1°F (1995) | 2.20 in (1957) |
| September 24 | 100.0°F (2005) | 55.9°F (1989) | 2.88 in (2006) |
| September 25 | 104.0°F (2005) | 57.0°F (1989) | 3.55 in (1951) |
| September 26 | 102.9°F (2005) | 53.1°F (2000) | 1.82 in (2004) |
| September 27 | 100.9°F (2011) | 54.0°F (2000) | 1.46 in (2018) |
| September 28 | 100.9°F (2011) | 55.9°F (1967) | 2.64 in (2014) |
| September 29 | 102.9°F (2005) | 54.0°F (1967) | 2.66 in (2007) |
| September 30 | 99.0°F (1977) | 50.0°F (1972) | 2.11 in (1925) |