September weather in Greenville, TX
The average temperature in Greenville in September is 78.4°F (65.6°F–91.3°F). Average precipitation: 3.84 inches.
September is a fall month in Greenville, and is warmer than the annual average of 66°F. Daily temperatures swing about 25.7°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
91.3°F
Avg Low
65.6°F
Precipitation
3.84 in
Daylight
12h 12m
September records in Greenville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 108.0°F (2006) | 55.9°F (1915) | 2.27 in (1962) |
| September 2 | 109.0°F (1939) | 55.9°F (1987) | 1.54 in (1927) |
| September 3 | 109.0°F (2006) | 55.9°F (1974) | 2.77 in (1988) |
| September 4 | 108.0°F (2000) | 51.1°F (1974) | 2.01 in (2001) |
| September 5 | 109.0°F (2000) | 48.0°F (1974) | 1.65 in (1929) |
| September 6 | 106.0°F (1936) | 48.0°F (1974) | 5.78 in (1973) |
| September 7 | 105.1°F (2012) | 50.0°F (1974) | 2.93 in (1962) |
| September 8 | 106.0°F (1924) | 51.1°F (2017) | 2.46 in (1977) |
| September 9 | 105.1°F (2012) | 51.1°F (1944) | 1.85 in (2010) |
| September 10 | 106.0°F (1909) | 48.9°F (1902) | 2.67 in (2020) |
| September 11 | 106.0°F (1909) | 52.0°F (1948) | 2.20 in (1903) |
| September 12 | 105.1°F (2006) | 46.0°F (1940) | 2.50 in (1924) |
| September 13 | 104.0°F (2011) | 44.1°F (1902) | 2.23 in (1961) |
| September 14 | 109.0°F (2011) | 42.1°F (1902) | 2.16 in (2012) |
| September 15 | 102.0°F (1939) | 44.1°F (1902) | 2.00 in (2009) |
| September 16 | 102.0°F (1900) | 46.9°F (1979) | 1.59 in (1998) |
| September 17 | 102.9°F (1914) | 43.0°F (1903) | 3.28 in (1974) |
| September 18 | 102.0°F (1927) | 45.0°F (1981) | 1.40 in (1995) |
| September 19 | 102.0°F (1933) | 41.0°F (1981) | 1.32 in (1958) |
| September 20 | 102.9°F (2016) | 41.0°F (1981) | 3.35 in (1900) |
| September 21 | 104.0°F (1944) | 42.1°F (1983) | 4.00 in (1900) |
| September 22 | 102.0°F (1933) | 39.9°F (1983) | 3.87 in (1965) |
| September 23 | 100.0°F (1911) | 41.0°F (1983) | 2.77 in (2018) |
| September 24 | 102.0°F (1907) | 43.0°F (1989) | 1.76 in (1925) |
| September 25 | 102.0°F (1931) | 42.1°F (1989) | 1.58 in (1921) |
| September 26 | 100.0°F (1911) | 43.0°F (1989) | 2.61 in (2016) |
| September 27 | 100.9°F (1911) | 36.0°F (1942) | 6.95 in (1936) |
| September 28 | 100.9°F (1953) | 36.0°F (1942) | 1.81 in (1927) |
| September 29 | 104.0°F (1953) | 39.0°F (1942) | 3.40 in (1980) |
| September 30 | 104.0°F (2011) | 39.0°F (1942) | 1.65 in (1954) |