Climate averages 1991–2020
Nuevo Laredo weather
in September.
A hot, moderately wet month: the 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Nuevo Laredo: daytime highs average 33.2°C and nights cool to about 23.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 77 mm of rain on roughly 9 days, which makes September a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average September day.
The nearest other city in this atlas is Piedras Negras (168 km away). In September its highs average 32.8°C, about as warm as Nuevo Laredo, with 79 mm of rain.
Among the 153 cities listed in Mexico, Nuevo Laredo ranks 7th of 153 for the warmest September highs and 20th of 153 for the driest September (rainfall, lowest first). The mean September high of those 153 cities is 26.5°C; Nuevo Laredo is 6.7°C warmer than that mean.
From September to October, average highs fall by 3.2°C to 30.0°C, and monthly rainfall falls from 77 mm to 44 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nuevo Laredo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 20.5°C10.2°C | 10.2°C | 24 | 4.4 | 10.611 h |
| February | 23.6°C12.4°C | 12.4°C | 22 | 4.4 | 11.211 h |
| March | 27.1°C15.6°C | 15.6°C | 44 | 5.3 | 12.012 h |
| April | 31.2°C19.1°C | 19.1°C | 43 | 5.6 | 12.813 h |
| May | 34.0°C22.6°C | 22.6°C | 63 | 7.4 | 13.513 h |
| June | 36.5°C25.1°C | 25.1°C | 33 | 5.2 | 13.814 h |
| July | 37.2°C25.6°C | 25.6°C | 45 | 5.3 | 13.714 h |
| August | 37.3°C26.1°C | 26.1°C | 35 | 5.0 | 13.113 h |
| September, selected | 33.2°C23.7°C | 23.7°C | 77 | 8.8 | 12.312 h |
| October | 30.0°C19.8°C | 19.8°C | 44 | 5.3 | 11.512 h |
| November | 24.6°C14.9°C | 14.9°C | 29 | 4.2 | 10.811 h |
| December | 20.9°C11.0°C | 11.0°C | 28 | 5.0 | 10.410 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Piedras Negras in SeptemberMexico · 168 kmHigh 32.8°C · Low 23.2°C · 79 mm rain
- Mission in SeptemberUnited States · 183 kmHigh 32.7°C · Low 23.8°C · 88 mm rain
- Edinburg in SeptemberUnited States · 187 kmHigh 32.6°C · Low 23.8°C · 88 mm rain
- McAllen in SeptemberUnited States · 191 kmHigh 32.5°C · Low 23.8°C · 88 mm rain
- Reynosa in SeptemberMexico · 198 kmHigh 32.7°C · Low 23.9°C · 89 mm rain
- Monclova in SeptemberMexico · 199 kmHigh 29.5°C · Low 21.1°C · 95 mm rain
- Ciudad Apodaca in SeptemberMexico · 200 kmHigh 29.6°C · Low 20.8°C · 117 mm rain
- Ciudad General Escobedo in SeptemberMexico · 203 kmHigh 28.8°C · Low 20.5°C · 117 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nuevo Laredo) is explained once on the Nuevo Laredo year overview and on the Sources, method and limits page.