Climate averages 1991–2020
Ciudad Valles weather
in September.
A hot, very wet month: the 6th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Ciudad Valles: daytime highs average 30.0°C and nights cool to about 22.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 226 mm of rain on roughly 21 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average September day.
The nearest other city in this atlas is Ciudad Mante (83 km away). In September its highs average 30.9°C, 0.9°C warmer than Ciudad Valles, with 156 mm of rain.
Among the 153 cities listed in Mexico, Ciudad Valles ranks joint 39th of 153 for the warmest September highs and joint 126th of 153 for the driest September (rainfall, lowest first). The mean September high of those 153 cities is 26.5°C; Ciudad Valles is 3.5°C warmer than that mean.
From September to October, average highs fall by 1.9°C to 28.1°C, and monthly rainfall falls from 226 mm to 124 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
Ciudad Valles climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.3°C14.7°C | 14.7°C | 29 | 6.5 | 11.011 h |
| February | 25.7°C16.2°C | 16.2°C | 26 | 5.5 | 11.411 h |
| March | 28.7°C18.6°C | 18.6°C | 37 | 7.0 | 12.012 h |
| April | 31.9°C21.4°C | 21.4°C | 44 | 7.5 | 12.613 h |
| May | 33.1°C23.5°C | 23.5°C | 75 | 12.6 | 13.213 h |
| June | 32.5°C23.9°C | 23.9°C | 161 | 18.5 | 13.513 h |
| July | 31.2°C23.3°C | 23.3°C | 168 | 18.5 | 13.313 h |
| August | 31.7°C23.4°C | 23.4°C | 153 | 18.7 | 12.913 h |
| September, selected | 30.0°C22.7°C | 22.7°C | 226 | 20.8 | 12.312 h |
| October | 28.1°C20.4°C | 20.4°C | 124 | 12.7 | 11.712 h |
| November | 25.4°C17.5°C | 17.5°C | 45 | 8.1 | 11.111 h |
| December | 23.9°C15.5°C | 15.5°C | 23 | 5.5 | 10.811 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
- Ciudad Mante in SeptemberMexico · 83 kmHigh 30.9°C · Low 22.7°C · 156 mm rain
- Tampico in SeptemberMexico · 121 kmHigh 28.9°C · Low 24.6°C · 193 mm rain
- Miramar in SeptemberMexico · 121 kmHigh 28.9°C · Low 24.8°C · 193 mm rain
- Ciudad Madero in SeptemberMexico · 124 kmHigh 29.1°C · Low 24.5°C · 214 mm rain
- Ciudad Victoria in SeptemberMexico · 194 kmHigh 30.2°C · Low 20.9°C · 149 mm rain
- Soledad de Graciano Sánchez in SeptemberMexico · 200 kmHigh 23.2°C · Low 14.6°C · 82 mm rain
- Túxpam de Rodríguez Cano in SeptemberMexico · 202 kmHigh 29.1°C · Low 24.2°C · 184 mm rain
- San Luis Potosí in SeptemberMexico · 203 kmHigh 23.2°C · Low 14.5°C · 82 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 Ciudad Valles) is explained once on the Ciudad Valles year overview and on the Sources, method and limits page.