September weather in Palacios, TX
The average temperature in Palacios in September is 81.5°F (73.0°F–90.0°F). Average precipitation: 5.88 inches.
September is a fall month in Palacios, and is warmer than the annual average of 71.8°F. Daily temperatures swing about 17°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 10m. For travel, September is a wet month.
Avg High
90.0°F
Avg Low
73.0°F
Precipitation
5.88 in
Daylight
12h 10m
September records in Palacios
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1954) | 66.9°F (1950) | 2.80 in (1946) |
| September 2 | 99.0°F (2011) | 66.9°F (1950) | 3.47 in (1979) |
| September 3 | 102.0°F (2011) | 64.0°F (1955) | 1.20 in (2018) |
| September 4 | 104.0°F (2000) | 61.0°F (1974) | 2.82 in (1979) |
| September 5 | 107.1°F (2000) | 54.0°F (1974) | 3.40 in (1973) |
| September 6 | 98.1°F (2000) | 55.0°F (1974) | 2.93 in (1991) |
| September 7 | 96.1°F (1993) | 57.9°F (2017) | 5.12 in (2010) |
| September 8 | 96.1°F (1951) | 60.1°F (2017) | 2.13 in (1977) |
| September 9 | 97.0°F (2021) | 59.0°F (1957) | 4.19 in (1952) |
| September 10 | 98.1°F (1951) | 60.1°F (2017) | 8.63 in (1998) |
| September 11 | 96.1°F (1944) | 61.0°F (2017) | 4.11 in (1973) |
| September 12 | 97.0°F (2004) | 57.0°F (2017) | 2.45 in (1974) |
| September 13 | 95.0°F (1980) | 60.1°F (1945) | 3.45 in (1951) |
| September 14 | 99.0°F (2019) | 57.9°F (1945) | 2.40 in (2018) |
| September 15 | 96.1°F (1954) | 57.0°F (1945) | 1.27 in (2002) |
| September 16 | 97.0°F (1953) | 57.0°F (1979) | 2.78 in (1998) |
| September 17 | 93.9°F (1947) | 55.9°F (1981) | 2.30 in (1964) |
| September 18 | 95.0°F (1947) | 53.1°F (1981) | 4.20 in (1979) |
| September 19 | 93.9°F (1947) | 52.0°F (1981) | 8.58 in (1979) |
| September 20 | 97.0°F (2016) | 57.0°F (1981) | 6.12 in (1967) |
| September 21 | 100.9°F (2005) | 53.1°F (1983) | 6.10 in (1997) |
| September 22 | 100.0°F (1944) | 52.0°F (1983) | 6.35 in (1997) |
| September 23 | 98.1°F (2005) | 52.0°F (1975) | 6.21 in (1957) |
| September 24 | 100.0°F (2005) | 52.0°F (1975) | 3.48 in (1972) |
| September 25 | 95.0°F (1954) | 50.0°F (1989) | 1.79 in (1957) |
| September 26 | 97.0°F (2022) | 50.0°F (2000) | 2.51 in (1944) |
| September 27 | 93.9°F (2007) | 52.0°F (2000) | 2.68 in (1944) |
| September 28 | 93.9°F (1949) | 50.0°F (1967) | 1.69 in (1999) |
| September 29 | 99.0°F (2005) | 48.9°F (1967) | 3.58 in (2012) |
| September 30 | 93.9°F (2025) | 48.9°F (1992) | 1.78 in (1954) |