Climate averages 1991–2020
Salina Cruz weather
in September.
A hot, very wet month: the 7th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Salina Cruz: daytime highs average 30.5°C and nights cool to about 24.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 206 mm of rain on roughly 17 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average September day.
The nearest other city in this atlas is Heroica Ciudad de Juchitán de Zaragoza (34 km away). In September its highs average 30.7°C, about as warm as Salina Cruz, with 195 mm of rain.
Among the 153 cities listed in Mexico, Salina Cruz ranks joint 28th of 153 for the warmest September highs and 120th of 153 for the driest September (rainfall, lowest first). The mean September high of those 153 cities is 26.5°C; Salina Cruz is 4.0°C warmer than that mean.
From September to October, average highs fall by 0.3°C to 30.2°C, and monthly rainfall falls from 206 mm to 84 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
Salina Cruz climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.5°C21.1°C | 21.1°C | 3.0 | 0.8 | 11.311 h |
| February | 29.7°C21.6°C | 21.6°C | 2.6 | 0.8 | 11.612 h |
| March | 30.9°C22.8°C | 22.8°C | 3.8 | 1.0 | 12.012 h |
| April | 32.1°C24.4°C | 24.4°C | 6.2 | 1.7 | 12.512 h |
| May | 32.5°C25.4°C | 25.4°C | 67 | 9.9 | 12.913 h |
| June | 31.0°C25.1°C | 25.1°C | 233 | 17.7 | 13.113 h |
| July | 31.9°C25.5°C | 25.5°C | 122 | 11.5 | 13.013 h |
| August | 31.9°C25.4°C | 25.4°C | 163 | 14.5 | 12.713 h |
| September, selected | 30.5°C24.9°C | 24.9°C | 206 | 17.3 | 12.212 h |
| October | 30.2°C24.4°C | 24.4°C | 84 | 8.6 | 11.812 h |
| November | 29.6°C23.2°C | 23.2°C | 15 | 1.7 | 11.411 h |
| December | 29.0°C22.0°C | 22.0°C | 3.8 | 0.8 | 11.211 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
- Heroica Ciudad de Juchitán de Zaragoza in SeptemberMexico · 34 kmHigh 30.7°C · Low 24.3°C · 195 mm rain
- Oaxaca in SeptemberMexico · 191 kmHigh 24.0°C · Low 15.7°C · 160 mm rain
- Minatitlán in SeptemberMexico · 214 kmHigh 29.2°C · Low 23.8°C · 334 mm rain
- Tuxtla in SeptemberMexico · 231 kmHigh 28.2°C · Low 21.3°C · 341 mm rain
- Coatzacoalcos in SeptemberMexico · 233 kmHigh 29.1°C · Low 24.3°C · 326 mm rain
- Tuxtepec in SeptemberMexico · 235 kmHigh 30.0°C · Low 23.6°C · 423 mm rain
- San Cristóbal de las Casas in SeptemberMexico · 279 kmHigh 20.3°C · Low 13.1°C · 429 mm rain
- Cárdenas, Mexico in SeptemberMexico · 280 kmHigh 30.2°C · Low 23.8°C · 289 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 Salina Cruz) is explained once on the Salina Cruz year overview and on the Sources, method and limits page.