September weather in Grand Saline, TX
The average temperature in Grand Saline in September is 75.3°F (63.1°F–87.6°F). Average precipitation: 3.73 inches.
September is a fall month in Grand Saline, and is warmer than the annual average of 64.2°F. Daily temperatures swing about 24.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 11m. For travel, September is a comfortable month to visit.
Avg High
87.6°F
Avg Low
63.1°F
Precipitation
3.73 in
Daylight
12h 11m
September records in Grand Saline
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (2005) | 60.1°F (2009) | 2.30 in (1965) |
| September 2 | 104.0°F (2005) | 60.1°F (2009) | 4.30 in (2020) |
| September 3 | 102.0°F (2011) | 60.1°F (2009) | 1.54 in (1999) |
| September 4 | 100.9°F (2013) | 59.0°F (2010) | 2.97 in (1968) |
| September 5 | 99.0°F (2012) | 55.9°F (2010) | 1.25 in (1967) |
| September 6 | 100.0°F (2012) | 48.0°F (2011) | 3.90 in (1973) |
| September 7 | 102.0°F (2012) | 45.0°F (2011) | 3.35 in (2014) |
| September 8 | 100.9°F (2012) | 45.0°F (2011) | 1.33 in (1962) |
| September 9 | 98.1°F (2013) | 46.9°F (2024) | 1.85 in (1977) |
| September 10 | 98.1°F (2005) | 46.9°F (2011) | 1.55 in (2008) |
| September 11 | 96.1°F (2005) | 46.9°F (2011) | 1.59 in (1966) |
| September 12 | 96.1°F (2005) | 50.0°F (2017) | 1.64 in (2009) |
| September 13 | 100.9°F (2011) | 51.1°F (2015) | 2.06 in (1951) |
| September 14 | 105.1°F (2011) | 51.1°F (2017) | 3.50 in (2009) |
| September 15 | 100.0°F (2005) | 51.1°F (2017) | 1.16 in (2018) |
| September 16 | 100.0°F (2005) | 48.9°F (2008) | 3.57 in (1998) |
| September 17 | 100.0°F (2006) | 48.9°F (2008) | 2.30 in (1950) |
| September 18 | 98.1°F (2010) | 51.1°F (2008) | 2.32 in (1995) |
| September 19 | 100.0°F (2005) | 48.9°F (2012) | 1.17 in (1965) |
| September 20 | 100.9°F (2005) | 50.0°F (2012) | 3.58 in (1958) |
| September 21 | 100.9°F (2005) | 53.1°F (2020) | 6.95 in (2013) |
| September 22 | 102.9°F (2005) | 52.0°F (2013) | 3.08 in (1957) |
| September 23 | 104.0°F (2005) | 51.1°F (2013) | 1.27 in (1997) |
| September 24 | 97.0°F (2005) | 46.9°F (2011) | 2.87 in (1972) |
| September 25 | 95.0°F (2019) | 48.0°F (2011) | 2.84 in (1971) |
| September 26 | 100.0°F (2005) | 50.0°F (2006) | 2.50 in (1960) |
| September 27 | 102.9°F (2005) | 46.0°F (2022) | 1.59 in (1960) |
| September 28 | 97.0°F (2005) | 46.0°F (2010) | 0.92 in (2020) |
| September 29 | 97.0°F (2005) | 46.0°F (2010) | 2.10 in (2013) |
| September 30 | 99.0°F (2011) | 43.0°F (2022) | 3.25 in (2012) |