Click on a day for an hourly weather forecast
The temperatures in Laredo in September are comfortable with low of 16°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Laredo during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Laredo in September 2026.
If you’re planning to visit Laredo in the near future, we highly recommend that you review the 14 day weather forecast for Laredo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 11° / 7° | 12 | 19 | 0 | 163 mm | Bad | Laredo in January |
| February | 12° / 7° | 10 | 18 | 0 | 135 mm | Bad | Laredo in February |
| March | 13° / 8° | 10 | 21 | 0 | 108 mm | Bad | Laredo in March |
| April | 15° / 10° | 10 | 20 | 0 | 100 mm | Ok | Laredo in April |
| May | 17° / 12° | 9 | 22 | 0 | 87 mm | Ok | Laredo in May |
| June | 21° / 15° | 8 | 22 | 0 | 99 mm | Ok | Laredo in June |
| July | 23° / 17° | 5 | 26 | 0 | 51 mm | Perfect | Laredo in July |
| August | 23° / 18° | 5 | 26 | 0 | 51 mm | Perfect | Laredo in August |
| September | 22° / 16° | 7 | 23 | 0 | 70 mm | Ok | Laredo in September |
| October | 19° / 14° | 7 | 24 | 0 | 92 mm | Ok | Laredo in October |
| November | 15° / 11° | 12 | 18 | 0 | 175 mm | Ok | Laredo in November |
| December | 13° / 9° | 9 | 22 | 0 | 123 mm | Bad | Laredo in December |