Climate averages 1991–2020
Coatzacoalcos weather
in September.
A hot, very wet month: the joint 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 Coatzacoalcos: daytime highs average 29.1°C and nights cool to about 24.3°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 326 mm of rain on roughly 27 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average September day.
The nearest other city in this atlas is Minatitlán (20 km away). In September its highs average 29.2°C, about as warm as Coatzacoalcos, with 334 mm of rain.
Among the 153 cities listed in Mexico, Coatzacoalcos ranks joint 57th of 153 for the warmest September highs and 144th of 153 for the driest September (rainfall, lowest first). The mean September high of those 153 cities is 26.5°C; Coatzacoalcos is 2.5°C warmer than that mean.
From September to October, average highs fall by 1.1°C to 28.0°C, and monthly rainfall falls from 326 mm to 267 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
Coatzacoalcos climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.0°C20.0°C | 20.0°C | 93 | 11.6 | 11.211 h |
| February | 26.5°C20.5°C | 20.5°C | 43 | 6.9 | 11.512 h |
| March | 29.1°C21.7°C | 21.7°C | 26 | 5.0 | 12.012 h |
| April | 31.9°C23.8°C | 23.8°C | 23 | 4.3 | 12.513 h |
| May | 32.6°C25.1°C | 25.1°C | 63 | 9.8 | 13.013 h |
| June | 30.8°C25.0°C | 25.0°C | 229 | 22.3 | 13.213 h |
| July | 29.7°C24.8°C | 24.8°C | 257 | 25.9 | 13.113 h |
| August | 29.6°C24.7°C | 24.7°C | 295 | 26.2 | 12.713 h |
| September, selected | 29.1°C24.3°C | 24.3°C | 326 | 26.5 | 12.312 h |
| October | 28.0°C23.5°C | 23.5°C | 267 | 21.4 | 11.712 h |
| November | 26.4°C22.0°C | 22.0°C | 173 | 16.3 | 11.311 h |
| December | 25.5°C20.8°C | 20.8°C | 95 | 14.1 | 11.111 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
- Minatitlán in SeptemberMexico · 20 kmHigh 29.2°C · Low 23.8°C · 334 mm rain
- Cárdenas, Mexico in SeptemberMexico · 114 kmHigh 30.2°C · Low 23.8°C · 289 mm rain
- Paraiso in SeptemberMexico · 133 kmHigh 30.3°C · Low 24.5°C · 244 mm rain
- Villahermosa in SeptemberMexico · 160 kmHigh 30.9°C · Low 24.3°C · 287 mm rain
- Tuxtepec in SeptemberMexico · 178 kmHigh 30.0°C · Low 23.6°C · 423 mm rain
- Heroica Ciudad de Juchitán de Zaragoza in SeptemberMexico · 200 kmHigh 30.7°C · Low 24.3°C · 195 mm rain
- Tuxtla in SeptemberMexico · 210 kmHigh 28.2°C · Low 21.3°C · 341 mm rain
- Veracruz in SeptemberMexico · 213 kmHigh 29.9°C · Low 23.9°C · 217 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 Coatzacoalcos) is explained once on the Coatzacoalcos year overview and on the Sources, method and limits page.