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Cuernavaca Weather in September
Cuernavaca in September sees high temperatures, with highs around 26°C (79°F) and overnight lows of 15°C (59°F). Rainfall is at its peak this month, around 277 mm (11 in) on average, so waterproofs are essential.
Rainfall in Cuernavaca in September
As part of the rainy season, Cuernavaca sees around 18 days of rain in September, with an average of 277 mm (11 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Cuernavaca in September
September in Cuernavaca sees highs of 26°C (79°F) and lows of 15°C (59°F) overnight. This kind of day-to-night contrast is typical for this time of year. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Cuernavaca in September
The area experiences a moderate amount of sunshine, with approximately 150 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Cuernavaca. Our weather planner can help you explore destinations with more pleasant weather conditions.
Cuernavaca Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
26°C (79°F)
Chance of Rain
61%
Precipitation
277 mm (11 in)
Rainy days
18 days
Humidity
69% *
Sunshine
150 hours *
Percentage Sunshine
*
* Data from: Mexico City, Mexico (56 KM, 34 Miles).
Cuernavaca Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cuernavaca - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Cuernavaca typically stay consistent throughout September, with daily highs averaging around 26°C (79°F). Nights are cool, with lows around 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Cuernavaca in September
Browse day-by-day weather records for Cuernavaca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cuernavaca historical weather extremes in September
Our historical data for Cuernavaca spans 1986 to 2026, revealing these weather extremes.
- The hottest September day on record in Cuernavaca reached 32°C (90°F) (September 23, 1988).
- Cuernavaca experienced its chilliest September day on September 5, 2010, reaching only 18°C (64°F).
- The lowest overnight temperature recorded in September was 2°C (36°F) (September 30, 2010).
Best Places in Mexico in September
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Cuernavaca in September
Warm but pleasant conditions in Cuernavaca in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Cuernavaca in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Cuernavaca 3-Day Forecast
More climate data for Cuernavaca
Temperature Rainfall Sunshine Humidity
See the full Cuernavaca climate overview or explore weather in Mexico.
Popular in September
Where to go in September - average daytime high across popular destinations.
Puerto Peñasco
34°C (93°F) Los Cabos
32°C (90°F) Tulum31°C (88°F) Cancún30°C (86°F) Playa del Carmen31°C (88°F) Puerto Vallarta29°C (84°F) San Miguel de Allende
27°C (81°F) Mexico City23°C (73°F) Bucket list
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