September weather in Grapevine, TX
The average temperature in Grapevine in September is 77.7°F (66.7°F–88.6°F). Average precipitation: 3.45 inches.
September is a fall month in Grapevine, and is warmer than the annual average of 65.4°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 11m. For travel, September is hot.
Avg High
88.6°F
Avg Low
66.7°F
Precipitation
3.45 in
Daylight
12h 11m
September records in Grapevine
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 106.0°F (2011) | 60.1°F (1994) | 5.83 in (2025) |
| September 2 | 106.0°F (1985) | 59.0°F (1915) | 2.67 in (1996) |
| September 3 | 102.0°F (1998) | 57.0°F (1974) | 2.18 in (1917) |
| September 4 | 104.0°F (1995) | 53.1°F (1974) | 2.08 in (2020) |
| September 5 | 109.0°F (1998) | 51.1°F (1974) | 2.52 in (1904) |
| September 6 | 105.1°F (1908) | 48.9°F (1974) | 3.05 in (1910) |
| September 7 | 106.0°F (1908) | 50.0°F (1974) | 1.74 in (1962) |
| September 8 | 104.0°F (2012) | 55.9°F (1956) | 5.12 in (2010) |
| September 9 | 102.0°F (1909) | 55.0°F (1956) | 5.09 in (2010) |
| September 10 | 105.1°F (1909) | 57.0°F (1962) | 3.00 in (2007) |
| September 11 | 102.9°F (1909) | 53.1°F (1968) | 2.97 in (1992) |
| September 12 | 102.0°F (1901) | 52.0°F (1959) | 2.56 in (2003) |
| September 13 | 102.0°F (2011) | 46.9°F (1902) | 1.82 in (1951) |
| September 14 | 106.0°F (1901) | 46.0°F (1902) | 4.67 in (2009) |
| September 15 | 102.0°F (1953) | 48.0°F (1902) | 0.80 in (1987) |
| September 16 | 100.0°F (1980) | 44.1°F (1903) | 1.31 in (1955) |
| September 17 | 102.0°F (1980) | 45.0°F (1903) | 4.62 in (1964) |
| September 18 | 100.9°F (1911) | 51.1°F (1903) | 1.13 in (2006) |
| September 19 | 100.0°F (1956) | 45.0°F (1991) | 3.14 in (1958) |
| September 20 | 102.0°F (1956) | 46.0°F (1971) | 1.84 in (2013) |
| September 21 | 100.9°F (1953) | 45.0°F (1983) | 8.64 in (1964) |
| September 22 | 100.9°F (1956) | 41.0°F (1975) | 3.18 in (2018) |
| September 23 | 100.0°F (1916) | 37.9°F (1995) | 2.38 in (1969) |
| September 24 | 102.0°F (1907) | 39.0°F (1995) | 1.73 in (1915) |
| September 25 | 99.0°F (2006) | 44.1°F (1989) | 2.60 in (1913) |
| September 26 | 100.9°F (1977) | 45.0°F (1912) | 1.17 in (2018) |
| September 27 | 102.0°F (1977) | 48.0°F (1909) | 2.02 in (1973) |
| September 28 | 104.0°F (1977) | 42.1°F (1908) | 2.38 in (1966) |
| September 29 | 105.1°F (1953) | 46.0°F (1974) | 2.07 in (1985) |
| September 30 | 100.0°F (1953) | 42.1°F (1984) | 2.60 in (1903) |