Climate averages 1991–2020
Cuernavaca weather
in September.
A warm, very wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Cuernavaca: daytime highs average 23.6°C and nights cool to about 14.9°C. By daytime temperature it is the coolest month of the year.
Expect about 271 mm of rain on roughly 26 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average September day.
The nearest other city in this atlas is Temixco (9 km away). In September its highs average 25.5°C, 1.8°C warmer than Cuernavaca, with 159 mm of rain.
Among the 153 cities listed in Mexico, Cuernavaca ranks joint 109th of 153 for the warmest September highs and 132nd of 153 for the driest September (rainfall, lowest first). The mean September high of those 153 cities is 26.5°C; Cuernavaca is 2.9°C cooler than that mean.
From September to October, average highs rise by 0.4°C to 24.0°C, and monthly rainfall falls from 271 mm to 116 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
Cuernavaca climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.8°C9.0°C | 9.0°C | 11 | 1.6 | 11.111 h |
| February | 25.8°C10.0°C | 10.0°C | 10 | 2.0 | 11.512 h |
| March | 28.0°C11.6°C | 11.6°C | 13 | 3.1 | 12.012 h |
| April | 29.5°C13.8°C | 13.8°C | 32 | 6.7 | 12.613 h |
| May | 28.3°C14.8°C | 14.8°C | 139 | 16.7 | 13.013 h |
| June | 25.1°C15.2°C | 15.2°C | 259 | 25.0 | 13.213 h |
| July | 24.7°C14.7°C | 14.7°C | 202 | 26.4 | 13.213 h |
| August | 24.7°C15.1°C | 15.1°C | 242 | 27.6 | 12.813 h |
| September, selected | 23.6°C14.9°C | 14.9°C | 271 | 26.4 | 12.312 h |
| October | 24.0°C13.7°C | 13.7°C | 116 | 16.3 | 11.712 h |
| November | 24.0°C11.3°C | 11.3°C | 28 | 6.1 | 11.311 h |
| December | 23.7°C9.5°C | 9.5°C | 6.6 | 1.3 | 11.011 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
- Temixco in SeptemberMexico · 9 kmHigh 25.5°C · Low 16.7°C · 159 mm rain
- Cuautla in SeptemberMexico · 32 kmHigh 25.4°C · Low 16.4°C · 282 mm rain
- Xochimilco in SeptemberMexico · 39 kmHigh 20.2°C · Low 11.7°C · 273 mm rain
- Coyoacán in SeptemberMexico · 47 kmHigh 20.5°C · Low 11.9°C · 195 mm rain
- Delegación Cuajimalpa de Morelos in SeptemberMexico · 50 kmHigh 18.6°C · Low 10.0°C · 195 mm rain
- Huixquilucan in SeptemberMexico · 50 kmHigh 18.6°C · Low 9.8°C · 195 mm rain
- Miguel Hidalgo in SeptemberMexico · 57 kmHigh 20.4°C · Low 11.7°C · 173 mm rain
- Ixtapaluca in SeptemberMexico · 57 kmHigh 20.8°C · Low 12.2°C · 273 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 Cuernavaca) is explained once on the Cuernavaca year overview and on the Sources, method and limits page.