September weather in Somerville, TX
The average temperature in Somerville in September is 78.1°F (64.1°F–92.1°F). Average precipitation: 3.41 inches.
September is a fall month in Somerville, and is warmer than the annual average of 67°F. Daily temperatures swing about 28°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 10m. For travel, September is hot.
Avg High
92.1°F
Avg Low
64.1°F
Precipitation
3.41 in
Daylight
12h 10m
September records in Somerville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 109.9°F (2000) | 62.1°F (2004) | 2.30 in (2001) |
| September 2 | 104.0°F (1985) | 62.1°F (2019) | 2.46 in (1970) |
| September 3 | 104.0°F (2011) | 60.1°F (1974) | 1.22 in (1971) |
| September 4 | 109.0°F (2000) | 55.9°F (1974) | 1.10 in (2020) |
| September 5 | 114.1°F (2000) | 53.1°F (1974) | 3.15 in (1968) |
| September 6 | 109.9°F (2000) | 52.0°F (1974) | 2.16 in (1973) |
| September 7 | 104.0°F (2019) | 52.0°F (1974) | 2.43 in (1986) |
| September 8 | 102.9°F (2019) | 55.9°F (2003) | 1.23 in (2010) |
| September 9 | 102.0°F (2019) | 57.9°F (2011) | 1.15 in (1966) |
| September 10 | 100.0°F (1997) | 51.1°F (2003) | 1.38 in (1990) |
| September 11 | 102.0°F (2000) | 57.0°F (1968) | 3.85 in (1998) |
| September 12 | 104.0°F (2011) | 57.0°F (1968) | 3.50 in (2003) |
| September 13 | 105.1°F (2011) | 55.9°F (1969) | 5.00 in (1974) |
| September 14 | 107.1°F (2011) | 55.9°F (2015) | 2.47 in (1989) |
| September 15 | 102.9°F (2019) | 53.1°F (1993) | 4.95 in (1968) |
| September 16 | 102.9°F (2019) | 51.1°F (1999) | 2.16 in (1966) |
| September 17 | 100.0°F (2019) | 48.9°F (2000) | 1.92 in (1990) |
| September 18 | 100.9°F (2005) | 48.9°F (2000) | 3.11 in (2006) |
| September 19 | 99.0°F (2005) | 46.0°F (1981) | 1.94 in (1996) |
| September 20 | 100.0°F (2016) | 51.1°F (1981) | 2.61 in (1979) |
| September 21 | 102.0°F (1999) | 48.9°F (2002) | 2.88 in (1996) |
| September 22 | 104.0°F (2005) | 46.0°F (1983) | 1.05 in (2020) |
| September 23 | 104.0°F (2005) | 45.0°F (1999) | 1.93 in (1997) |
| September 24 | 100.9°F (2005) | 46.9°F (1995) | 0.74 in (2009) |
| September 25 | 102.9°F (2000) | 42.1°F (1989) | 0.62 in (1974) |
| September 26 | 106.0°F (2005) | 42.1°F (2000) | 1.00 in (2016) |
| September 27 | 105.1°F (2005) | 42.1°F (2000) | 0.60 in (1993) |
| September 28 | 105.1°F (2005) | 42.1°F (2010) | 2.33 in (1973) |
| September 29 | 105.1°F (2005) | 43.0°F (1967) | 1.57 in (2017) |
| September 30 | 100.0°F (2011) | 44.1°F (1992) | 2.01 in (1985) |