Zihuatanejo Weather in September
Zihuatanejo in September sees high daytime temperatures of 30°C (86°F) and nighttime lows of 25°C (77°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Zihuatanejo in September
As part of the rainy season, Zihuatanejo sees around 13 days of rain in September, with an average of 332 mm (13 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Zihuatanejo in September
Zihuatanejo in September gets highs of 30°C (86°F) during the day and drops to 25°C (77°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Average water temperature in September
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.September in Zihuatanejo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Zihuatanejo's climate page.
Zihuatanejo Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Water Temperature
28°C (82°F)
Chance of Rain
44%
Precipitation
332 mm (13 in)
Rainy days
13 days
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Zihuatanejo typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Historical weather for Zihuatanejo in September
Browse day-by-day weather records for Zihuatanejo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Zihuatanejo historical weather extremes in September
According to our 22 years of weather records for Zihuatanejo, the following extremes were recorded between 2003 and 2025.
- The warmest day in September was on September 4, 2024, with a maximum of 35°C (95°F).
- Zihuatanejo experienced its chilliest September day on September 25, 2005, reaching only 23°C (73°F).
- The coldest night in September in Zihuatanejo was on September 10, 2011, with a minimum of 21°C (70°F).
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
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What to Wear in Zihuatanejo in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off.What To Do in Zihuatanejo in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Zihuatanejo's climate page.
Temperature Rainfall Water Temp
See the full Zihuatanejo climate overview or explore weather in Mexico.
