September weather in Kirby, TX
The average temperature in Kirby in September is 79.2°F (68.8°F–89.5°F). Average precipitation: 3.90 inches.
September is a fall month in Kirby, and is warmer than the annual average of 69°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 10m. For travel, September is hot.
Avg High
89.5°F
Avg Low
68.8°F
Precipitation
3.90 in
Daylight
12h 10m
September records in Kirby
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2000) | 61.0°F (2017) | 1.25 in (2001) |
| September 2 | 102.0°F (2000) | 64.0°F (2017) | 0.72 in (2001) |
| September 3 | 102.9°F (2000) | 64.9°F (2004) | 2.18 in (2010) |
| September 4 | 102.9°F (2000) | 66.0°F (2004) | 5.10 in (2018) |
| September 5 | 108.0°F (2000) | 69.1°F (2006) | 0.91 in (2006) |
| September 6 | 109.9°F (2000) | 57.9°F (2011) | 1.59 in (2003) |
| September 7 | 100.9°F (2000) | 55.9°F (2017) | 0.79 in (2010) |
| September 8 | 102.0°F (2023) | 54.0°F (2017) | 5.83 in (2010) |
| September 9 | 104.0°F (2023) | 57.0°F (2017) | 1.90 in (2018) |
| September 10 | 100.9°F (2023) | 57.9°F (2017) | 1.15 in (2002) |
| September 11 | 99.0°F (1997) | 55.9°F (2017) | 1.36 in (2018) |
| September 12 | 100.0°F (2011) | 57.0°F (2017) | 2.36 in (2003) |
| September 13 | 100.0°F (2011) | 54.0°F (2017) | 0.30 in (2000) |
| September 14 | 100.9°F (2011) | 63.0°F (2017) | 2.02 in (2012) |
| September 15 | 99.0°F (2011) | 64.0°F (2022) | 1.40 in (2000) |
| September 16 | 96.1°F (2011) | 57.9°F (2008) | 0.98 in (2011) |
| September 17 | 97.0°F (2017) | 57.9°F (2008) | 2.28 in (2012) |
| September 18 | 96.1°F (1997) | 57.0°F (2000) | 1.63 in (2006) |
| September 19 | 99.0°F (2019) | 55.9°F (2000) | 0.61 in (2003) |
| September 20 | 98.1°F (2019) | 57.0°F (2006) | 2.33 in (2002) |
| September 21 | 97.0°F (1999) | 57.0°F (2002) | 1.11 in (2003) |
| September 22 | 96.1°F (2005) | 57.9°F (2002) | 0.94 in (2018) |
| September 23 | 98.1°F (2005) | 52.0°F (1999) | 1.89 in (2009) |
| September 24 | 98.1°F (2000) | 48.9°F (2021) | 0.59 in (2006) |
| September 25 | 100.0°F (2005) | 53.1°F (2021) | 1.02 in (2000) |
| September 26 | 104.0°F (2005) | 48.0°F (2000) | 0.67 in (2017) |
| September 27 | 102.0°F (2005) | 48.0°F (2000) | 1.34 in (2017) |
| September 28 | 100.9°F (2005) | 51.1°F (2000) | 0.60 in (2017) |
| September 29 | 102.0°F (2005) | 51.1°F (2020) | 2.87 in (2012) |
| September 30 | 96.1°F (2011) | 45.0°F (2020) | 0.39 in (2012) |