September weather in Sugar Land, TX
The average temperature in Sugar Land in September is 80.6°F (71.5°F–89.7°F). Average precipitation: 4.42 inches.
September is a fall month in Sugar Land, and is warmer than the annual average of 71.1°F. Daily temperatures swing about 18.2°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 10m. For travel, September is hot.
Avg High
89.7°F
Avg Low
71.5°F
Precipitation
4.42 in
Daylight
12h 10m
September records in Sugar Land
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2023) | 66.9°F (2004) | 1.25 in (2015) |
| September 2 | 100.9°F (2023) | 64.9°F (2009) | 1.20 in (2003) |
| September 3 | 100.0°F (2023) | 69.1°F (2009) | 0.21 in (2007) |
| September 4 | 98.1°F (2021) | 70.0°F (2006) | 0.92 in (2007) |
| September 5 | 102.0°F (2023) | 64.9°F (2011) | 0.39 in (2001) |
| September 6 | 102.9°F (2023) | 57.0°F (2011) | 0.96 in (2010) |
| September 7 | 104.0°F (2023) | 60.1°F (2011) | 1.89 in (2010) |
| September 8 | 105.1°F (2023) | 60.1°F (2011) | 0.62 in (2002) |
| September 9 | 100.9°F (2023) | 60.1°F (2011) | 0.41 in (2009) |
| September 10 | 98.1°F (2023) | 61.0°F (2012) | 1.17 in (2018) |
| September 11 | 99.0°F (2011) | 62.1°F (2012) | 3.16 in (2015) |
| September 12 | 100.9°F (2011) | 59.0°F (2017) | 1.23 in (2003) |
| September 13 | 102.0°F (2011) | 61.0°F (2015) | 0.74 in (2021) |
| September 14 | 100.0°F (2011) | 61.0°F (2015) | 1.55 in (2018) |
| September 15 | 96.1°F (2011) | 68.0°F (2001) | 1.90 in (2003) |
| September 16 | 98.1°F (2024) | 64.9°F (2010) | 0.96 in (2012) |
| September 17 | 97.0°F (2004) | 66.0°F (2003) | 1.78 in (2014) |
| September 18 | 97.0°F (2024) | 66.0°F (2012) | 1.17 in (2014) |
| September 19 | 99.0°F (2024) | 61.0°F (2006) | 4.29 in (2019) |
| September 20 | 98.1°F (2024) | 57.0°F (2006) | 1.21 in (2020) |
| September 21 | 100.0°F (2005) | 57.9°F (2012) | 3.48 in (2020) |
| September 22 | 99.0°F (2005) | 61.0°F (2021) | 2.72 in (2020) |
| September 23 | 98.1°F (2023) | 55.9°F (2021) | 1.32 in (2006) |
| September 24 | 100.0°F (2023) | 59.0°F (2021) | 0.84 in (2016) |
| September 25 | 100.0°F (2005) | 57.9°F (2001) | 0.71 in (2014) |
| September 26 | 98.1°F (2005) | 54.0°F (2001) | 0.26 in (2018) |
| September 27 | 100.0°F (2005) | 52.0°F (2001) | 1.19 in (2019) |
| September 28 | 99.0°F (2005) | 53.1°F (2001) | 0.79 in (2017) |
| September 29 | 97.0°F (2011) | 55.0°F (2020) | 1.49 in (2012) |
| September 30 | 96.1°F (2023) | 53.1°F (2020) | 0.65 in (2007) |