September weather in Bayside, TX
The average temperature in Bayside in September is 82.3°F (75.2°F–89.3°F). Average precipitation: 4.18 inches.
September is a fall month in Bayside, and is warmer than the annual average of 73°F. Daily temperatures swing about 14.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 9m. For travel, September is hot.
Avg High
89.3°F
Avg Low
75.2°F
Precipitation
4.18 in
Daylight
12h 9m
September records in Bayside
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (2008) | 72.0°F (1996) | 0.56 in (2007) |
| September 2 | 99.0°F (2008) | 72.0°F (2004) | 0.79 in (2018) |
| September 3 | 105.1°F (2011) | 72.0°F (2009) | 2.54 in (2022) |
| September 4 | 104.0°F (2011) | 73.0°F (2009) | 1.10 in (2022) |
| September 5 | 107.1°F (2000) | 73.0°F (2000) | 1.36 in (2019) |
| September 6 | 96.1°F (2023) | 68.0°F (2011) | 1.79 in (2018) |
| September 7 | 96.1°F (2023) | 64.9°F (2011) | 2.86 in (2010) |
| September 8 | 97.0°F (2012) | 68.0°F (2011) | 1.76 in (2002) |
| September 9 | 96.1°F (2023) | 69.1°F (2011) | 2.28 in (2002) |
| September 10 | 96.1°F (2023) | 68.0°F (2012) | 0.88 in (2018) |
| September 11 | 95.0°F (2008) | 68.0°F (2017) | 3.14 in (2015) |
| September 12 | 98.1°F (2008) | 64.0°F (2017) | 2.34 in (2003) |
| September 13 | 100.0°F (2008) | 69.1°F (2003) | 1.32 in (2021) |
| September 14 | 95.0°F (2019) | 69.1°F (2014) | 2.03 in (2012) |
| September 15 | 95.0°F (2009) | 39.0°F (2007) | 2.46 in (2002) |
| September 16 | 96.1°F (2009) | 36.0°F (2007) | 2.80 in (1998) |
| September 17 | 93.9°F (2009) | 46.9°F (2007) | 1.32 in (2010) |
| September 18 | 93.9°F (2005) | 64.9°F (2008) | 2.18 in (2003) |
| September 19 | 95.0°F (2009) | 66.9°F (2008) | 1.33 in (2002) |
| September 20 | 95.0°F (2019) | 64.9°F (2002) | 3.84 in (2003) |
| September 21 | 97.0°F (2005) | 63.0°F (2002) | 0.56 in (2014) |
| September 22 | 98.1°F (2005) | 61.0°F (1999) | 1.21 in (2010) |
| September 23 | 100.9°F (2005) | 57.9°F (1999) | 0.89 in (2001) |
| September 24 | 102.9°F (2005) | 62.1°F (1999) | 1.77 in (2006) |
| September 25 | 93.9°F (2005) | 62.1°F (2000) | 1.81 in (2025) |
| September 26 | 99.0°F (2022) | 55.0°F (2000) | 1.14 in (2018) |
| September 27 | 95.0°F (2005) | 57.9°F (2000) | 1.09 in (2014) |
| September 28 | 93.9°F (1998) | 57.9°F (1996) | 0.29 in (2007) |
| September 29 | 95.0°F (2005) | 54.0°F (2020) | 4.14 in (2007) |
| September 30 | 93.0°F (2015) | 52.0°F (2020) | 0.84 in (2021) |