September weather in Corpus Christi, TX
The average temperature in Corpus Christi in September is 81.8°F (75.1°F–88.5°F). Average precipitation: 5.45 inches.
September is a fall month in Corpus Christi, and is warmer than the annual average of 71.9°F. Daily temperatures swing about 13.4°F between overnight low and afternoon high. Daylight averages about 12h 9m. For travel, September is a wet month.
Avg High
88.5°F
Avg Low
75.1°F
Precipitation
5.45 in
Daylight
12h 9m
September records in Corpus Christi
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (2020) | 71.1°F (2015) | 0.65 in (2015) |
| September 2 | 93.0°F (2021) | 75.0°F (2014) | 0.70 in (2024) |
| September 3 | 91.9°F (2020) | 75.0°F (2014) | 0.50 in (2024) |
| September 4 | 91.9°F (2018) | 73.9°F (2022) | 3.25 in (2024) |
| September 5 | 91.9°F (2023) | 73.9°F (2022) | 1.00 in (2019) |
| September 6 | 93.9°F (2023) | 72.0°F (2014) | 0.95 in (2022) |
| September 7 | 91.9°F (2025) | 73.0°F (2022) | 1.30 in (2018) |
| September 8 | 91.9°F (2016) | 73.0°F (2024) | 0.57 in (2013) |
| September 9 | 91.9°F (2019) | 73.0°F (2024) | 0.89 in (2013) |
| September 10 | 91.9°F (2020) | 72.0°F (2020) | 2.30 in (2018) |
| September 11 | 91.9°F (2014) | 68.0°F (2020) | 3.50 in (2018) |
| September 12 | 91.0°F (2014) | 69.1°F (2020) | 2.65 in (2018) |
| September 13 | 91.0°F (2015) | 73.0°F (2015) | 0.79 in (2021) |
| September 14 | 91.9°F (2023) | 69.1°F (2014) | 1.46 in (2012) |
| September 15 | 93.0°F (2023) | 72.0°F (2014) | 2.93 in (2018) |
| September 16 | 93.9°F (2023) | 72.0°F (2014) | 3.64 in (2018) |
| September 17 | 90.0°F (2022) | 73.9°F (2021) | 2.00 in (2024) |
| September 18 | 91.9°F (2016) | 73.0°F (2025) | 0.10 in (2022) |
| September 19 | 91.0°F (2016) | 73.0°F (2020) | 0.10 in (2022) |
| September 20 | 91.0°F (2016) | 72.0°F (2020) | 0.15 in (2019) |
| September 21 | 91.9°F (2023) | 71.1°F (2020) | 0.70 in (2020) |
| September 22 | 91.9°F (2023) | 71.1°F (2020) | 0.31 in (2016) |
| September 23 | 93.9°F (2023) | 66.9°F (2021) | 0.37 in (2017) |
| September 24 | 93.0°F (2023) | 66.9°F (2021) | 0.05 in (2024) |
| September 25 | 93.9°F (2023) | 70.0°F (2020) | 2.30 in (2024) |
| September 26 | 93.0°F (2023) | 72.0°F (2014) | 2.25 in (2016) |
| September 27 | 91.0°F (2018) | 70.0°F (2018) | 0.46 in (2018) |
| September 28 | 89.1°F (2019) | 68.0°F (2014) | 0.43 in (2017) |
| September 29 | 90.0°F (2021) | 64.0°F (2020) | 1.65 in (2012) |
| September 30 | 91.9°F (2019) | 61.0°F (2020) | 1.04 in (2013) |