September weather in Shamrock, TX
The average temperature in Shamrock in September is 71.5°F (58.2°F–84.8°F). Average precipitation: 2.42 inches.
September is a fall month in Shamrock, and is warmer than the annual average of 58.7°F. Daily temperatures swing about 26.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
84.8°F
Avg Low
58.2°F
Precipitation
2.42 in
Daylight
12h 13m
September records in Shamrock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (2011) | 52.0°F (1967) | 1.01 in (1991) |
| September 2 | 100.9°F (2000) | 54.0°F (1972) | 0.75 in (1988) |
| September 3 | 102.9°F (1970) | 54.0°F (1984) | 3.52 in (1988) |
| September 4 | 104.0°F (1970) | 44.1°F (1974) | 2.14 in (1991) |
| September 5 | 105.1°F (2000) | 44.1°F (1974) | 0.68 in (2001) |
| September 6 | 102.9°F (1983) | 50.0°F (1974) | 1.51 in (1965) |
| September 7 | 102.9°F (1995) | 48.9°F (2017) | 0.70 in (2007) |
| September 8 | 100.9°F (1985) | 48.9°F (2004) | 1.68 in (1962) |
| September 9 | 100.9°F (1985) | 48.9°F (1962) | 0.70 in (2007) |
| September 10 | 100.0°F (1964) | 45.0°F (1962) | 0.56 in (2007) |
| September 11 | 102.9°F (2000) | 50.0°F (2001) | 4.92 in (2003) |
| September 12 | 105.1°F (2000) | 50.0°F (1975) | 2.90 in (2008) |
| September 13 | 100.9°F (2011) | 45.0°F (1975) | 1.30 in (1976) |
| September 14 | 104.0°F (1965) | 43.0°F (1989) | 1.22 in (2010) |
| September 15 | 99.0°F (1965) | 37.9°F (1993) | 2.90 in (1996) |
| September 16 | 102.0°F (1965) | 37.9°F (1993) | 1.20 in (1995) |
| September 17 | 100.9°F (1978) | 46.0°F (1973) | 1.41 in (1962) |
| September 18 | 99.0°F (1975) | 44.1°F (1971) | 2.15 in (1991) |
| September 19 | 99.0°F (1997) | 44.1°F (2003) | 1.80 in (1995) |
| September 20 | 96.1°F (1980) | 42.1°F (1971) | 2.67 in (1978) |
| September 21 | 98.1°F (1980) | 32.0°F (1983) | 2.10 in (1985) |
| September 22 | 100.0°F (1980) | 39.0°F (1995) | 1.03 in (2004) |
| September 23 | 99.0°F (1977) | 37.9°F (1995) | 1.88 in (1997) |
| September 24 | 93.9°F (1979) | 35.1°F (1989) | 1.82 in (1971) |
| September 25 | 98.1°F (1998) | 34.0°F (1989) | 0.90 in (1974) |
| September 26 | 96.1°F (2005) | 37.0°F (1975) | 2.25 in (2017) |
| September 27 | 99.0°F (1977) | 41.0°F (2000) | 1.02 in (1966) |
| September 28 | 99.0°F (1979) | 33.1°F (1967) | 0.90 in (2012) |
| September 29 | 95.0°F (1982) | 37.0°F (1984) | 1.07 in (1985) |
| September 30 | 96.1°F (1967) | 30.0°F (1984) | 0.82 in (1990) |