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Puerto Madryn Weather in September
September in Puerto Madryn averages 18°C (64°F) during the day and 6°C (43°F) at night. The excellent conditions and low rainfall make it a solid month to visit.
Rainfall in Puerto Madryn in September
On average, there are about 3 days with rain during this month, averaging 20 mm (0.8 in). When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Puerto Madryn in September
September is one of the better months to visit Puerto Madryn. Expect 18°C (64°F) during the day and 6°C (43°F) at night. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Puerto Madryn in September
The days are predominantly sunny, with an estimated total of around 197 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Our weather planner can help you find worldwide destinations with pleasant weather during this period. February, March, April, September, October, November and December typically offer the best weather for Puerto Madryn.
Puerto Madryn Temperature in September
Min Temperature
6°C (43°F)
Max Temperature
18°C (64°F)
Chance of Rain
11%
Precipitation
20 mm (0.8 in)
Rainy days
3 days
Humidity
57%
Sunshine
197 hours
Percentage Sunshine
55%
Puerto Madryn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Puerto Madryn - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Puerto Madryn typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 7°C (45°F).
Average temperatures in September
Daily Historical Precipitation
50-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 Puerto Madryn in September
Browse day-by-day weather records for Puerto Madryn spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Puerto Madryn historical weather extremes in September
Based on weather observations in Puerto Madryn between 1976 and 2026, these are the recorded extremes during September.
- Puerto Madryn recorded its highest September temperature of 32°C (90°F) on September 18, 2017.
- On September 11, 2000, Puerto Madryn saw its coldest September day with temperatures maxing out at 5°C (41°F).
- The coldest night in September in Puerto Madryn was on September 13, 1998, with a minimum of -6°C (21°F).
Best Places in Argentina in September
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina 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 Puerto Madryn in September
For Puerto Madryn in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Puerto Madryn in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping5/10 -
Outdoor sports10/10
Puerto Madryn 3-Day Forecast
More climate data for Puerto Madryn
Temperature Rainfall Sunshine Humidity
See the full Puerto Madryn climate overview or explore weather in Argentina.
Popular in September
Where to go in September - average daytime high across popular destinations.
Córdoba
23°C (73°F) Salta21°C (70°F) Mendoza20°C (68°F) Buenos Aires
20°C (68°F) Mar del Plata16°C (61°F) San Martín de los Andes
8°C (46°F) San Carlos de Bariloche8°C (46°F) Bucket list
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