September weather in Alpine, TX
The average temperature in Alpine in September is 71.0°F (57.8°F–84.2°F). Average precipitation: 2.43 inches.
September is a fall month in Alpine, and is warmer than the annual average of 62.8°F. Daily temperatures swing about 26.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 10m. For travel, September is a comfortable month to visit.
Avg High
84.2°F
Avg Low
57.8°F
Precipitation
2.43 in
Daylight
12h 10m
September records in Alpine
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (2014) | 51.1°F (2017) | 1.84 in (1966) |
| September 2 | 104.0°F (2014) | 48.9°F (1987) | 1.10 in (2018) |
| September 3 | 102.9°F (2014) | 48.0°F (1974) | 0.72 in (1986) |
| September 4 | 97.0°F (2015) | 48.0°F (1984) | 2.09 in (1986) |
| September 5 | 100.0°F (1983) | 45.0°F (1988) | 2.43 in (1949) |
| September 6 | 99.0°F (1948) | 45.0°F (1984) | 1.65 in (1912) |
| September 7 | 99.0°F (1948) | 46.9°F (2011) | 2.10 in (1932) |
| September 8 | 98.1°F (2012) | 44.1°F (2004) | 2.21 in (2009) |
| September 9 | 96.1°F (2015) | 42.1°F (2004) | 2.48 in (2008) |
| September 10 | 98.1°F (1930) | 44.1°F (2004) | 1.72 in (1929) |
| September 11 | 100.9°F (1930) | 43.0°F (1935) | 1.05 in (1992) |
| September 12 | 99.0°F (1930) | 42.1°F (1959) | 2.10 in (1975) |
| September 13 | 100.9°F (1930) | 37.0°F (1959) | 1.41 in (1989) |
| September 14 | 98.1°F (2017) | 39.9°F (1945) | 1.58 in (2016) |
| September 15 | 97.0°F (2017) | 42.1°F (1993) | 1.94 in (1990) |
| September 16 | 95.0°F (2015) | 46.9°F (1989) | 1.76 in (1946) |
| September 17 | 98.1°F (2015) | 42.1°F (1951) | 1.59 in (1974) |
| September 18 | 99.0°F (2015) | 42.1°F (1981) | 1.47 in (1971) |
| September 19 | 100.9°F (1930) | 37.9°F (1991) | 1.30 in (1991) |
| September 20 | 96.1°F (1998) | 39.0°F (1991) | 1.86 in (1974) |
| September 21 | 97.0°F (1930) | 43.0°F (1971) | 1.70 in (1972) |
| September 22 | 96.1°F (1933) | 37.0°F (1995) | 1.85 in (2019) |
| September 23 | 93.0°F (1930) | 37.9°F (1975) | 2.61 in (1986) |
| September 24 | 95.0°F (1977) | 36.0°F (1989) | 2.03 in (1943) |
| September 25 | 99.0°F (1931) | 41.0°F (1975) | 1.30 in (2004) |
| September 26 | 99.0°F (1977) | 39.9°F (1970) | 2.32 in (1978) |
| September 27 | 97.0°F (1977) | 37.9°F (1989) | 1.28 in (1970) |
| September 28 | 97.0°F (1977) | 37.0°F (1970) | 1.81 in (1980) |
| September 29 | 98.1°F (1977) | 36.0°F (1945) | 2.26 in (2012) |
| September 30 | 98.1°F (1977) | 36.0°F (1945) | 1.37 in (1941) |