Puerto Peñasco Weather in September
In Puerto Peñasco, September brings very high daytime temperatures around 34°C (93°F), with nights cooling to 28°C (82°F). Minimal rainfall is to be expected.
Rainfall in Puerto Peñasco in September
Records from the past 30 years suggest around 2 days of rain, with 9.3 mm (0.4 in) average for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Puerto Peñasco in September
Daytime temperatures in Puerto Peñasco reach 34°C (93°F) in September, dropping to 28°C (82°F) at night. For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 28°C (82°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Wind Speed in Puerto Peñasco in September
Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in September
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.September in Puerto Peñasco can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options 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 Puerto Peñasco's climate page.
Puerto Peñasco Temperature in September
Min Temperature
28°C (82°F)
Max Temperature
34°C (93°F)
Water Temperature
28°C (82°F)
Chance of Rain
5%
Precipitation
9.3 mm (0.4 in)
Rainy days
2 days
Humidity
63%
Windspeed
3 m/s (6 knots)
Historical weather for Puerto Peñasco in September
Browse day-by-day weather records for Puerto Peñasco spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Puerto Peñasco historical weather extremes in September
Based on 19 years of weather observations in Puerto Peñasco between 2006 and 2025, these are the recorded extremes.
- Puerto Peñasco recorded its highest September temperature of 41°C (106°F) on September 4, 2020.
- The coldest September day was on September 23, 2017, with a maximum of 28°C (82°F).
- The lowest overnight temperature recorded in September was 18°C (64°F) (September 25, 2017).
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 →
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What to Wear in Puerto Peñasco in September
Get ready for hot weather in September! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Almost no rain is expected, so no need to bring rain gear. 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 Puerto Peñasco 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 Puerto Peñasco's climate page.
Temperature Rainfall Humidity Wind Speed Water Temp
See the full Puerto Peñasco climate overview or explore weather in Mexico.
