Laredo, TX weather in September
In September, Laredo sees highs around 94°F and lows around 73°F: hot, with some rain. Expect about 8 wet days. Plan outdoor time for mornings and evenings.
- Normal high
- 94°F
- Normal low
- 73°F
- Wet days
- 8
- 3.9 in total
- Daylight
- 12.3 h
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 98°F | 91°F |
| Normal low | 76°F | 70°F |
| Chance of a wet day | 24% | 19% |
| Sunrise / sunset | 7:17 am / 7:58 pm | 7:30 am / 7:25 pm |
| Daylight | 12.7 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)1 of 30
- Hot dayshigh 90°F or more24 of 30
- Wet daysat least 0.01 in of rain or melted snow8 of 30
- Notable rainat least 0.10 in5 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.9 in; a dry September brings about 1.3 in and a wet one about 4.6 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202011: average high 100°F
- Coolest September2008: average high 89°F
- Wettest September2018: 15.3 in
- Driest September2011: 0.1 in
- Highest reading110°F (September 6, 2000)
- Lowest reading53°F (September 29, 1996)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 101°F | 94°F | 87°F |
| Normal low | 77°F | 73°F | 66°F |
| Wet days | 5 | 8 | 4 |
| Comfortable days | 0 | 1 | 5 |
| Daylight | 13.1 h | 12.3 h | 11.5 h |
Highs change by -7°F from August and -7°F into October.
Nearby alternatives in September
- Cooler: South Padre Island, TX174 mi · high 89°F · 11 wet days
How Laredo ranks in September
- Normal high15th warmest of 378 cities; 3rd of 38 in Texas
- Wet days186th driest of 378
What to pack for Laredo in September
- Light, breathable clothing – highs near 94°F
Heating and cooling
September has 1 heating degree days and 559 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.
Questions
How hot is Laredo in September?
The normal high is 94°F and the normal low is 73°F. From 1991 to 2020 the hottest September reading was 110°F (most recently on September 6, 2000).
Does it rain a lot in Laredo in September?
About 8 days in September have at least 0.01 in of precipitation, and the normal total is 3.9 in. The wettest September in 1991-2020 was in 2018 (15.3 in); the driest was in 2011 (0.2 in).
Is September a good time to visit Laredo?
September ranks 12th of 12 months on our comfort score for Laredo (34 out of 100). It has about 1 comfortable day (judged by temperature only) and about 24 days at 90°F or hotter. The best months are January, February and December.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Laredo 2 (USC00415060), 4.3 mi N of the city center, 430 ft . NOAA normals and daily records, 1991-2020.
- Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).