Click on a day for an hourly weather forecast
The weather in Corpus Christi in September is very hot. The average temperatures are between 26°C and 31°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Corpus Christi. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Corpus Christi in September 2025.
If you’re planning to visit Corpus Christi in the near future, we highly recommend that you review the 14 day weather forecast for Corpus Christi before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 13° | 4 | 27 | 0 | 82 mm | Good | Corpus Christi in January |
| February | 19° / 14° | 4 | 25 | 0 | 54 mm | Good | Corpus Christi in February |
| March | 22° / 17° | 3 | 28 | 0 | 59 mm | Good | Corpus Christi in March |
| April | 25° / 20° | 4 | 26 | 0 | 61 mm | Perfect | Corpus Christi in April |
| May | 28° / 23° | 5 | 26 | 0 | 82 mm | Perfect | Corpus Christi in May |
| June | 31° / 26° | 6 | 24 | 0 | 131 mm | Good | Corpus Christi in June |
| July | 31° / 27° | 5 | 26 | 0 | 107 mm | Good | Corpus Christi in July |
| August | 32° / 27° | 4 | 27 | 0 | 84 mm | Good | Corpus Christi in August |
| September | 31° / 26° | 11 | 19 | 0 | 245 mm | Ok | Corpus Christi in September |
| October | 28° / 23° | 4 | 27 | 0 | 97 mm | Perfect | Corpus Christi in October |
| November | 23° / 18° | 4 | 26 | 0 | 80 mm | Perfect | Corpus Christi in November |
| December | 19° / 15° | 5 | 26 | 0 | 87 mm | Good | Corpus Christi in December |