September · Argentina
Best time to visit Puerto Madryn in September Weather, crowds & prices
Weather in Puerto Madryn in September
Average temperature 10°C, 34 mm of rain, about 13 days with 6+ hours of sunshine and 63% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.3/10
Ranked #7 of 12 months
- Avg temp
- 10°C
- Rainfall
- 34 mm
- Humidity
- 63%
- Days with 6h+ sun
- 13
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Puerto Madryn scores 8.3/10 for nature and wildlife travel - ranked #7 of 12. Expect around 10°C, 34 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.
Puerto Madryn is the base for Península Valdés's whales, sea lions and elephant seals.
September in Puerto Madryn — reliably good (7th best month)
Expect 10°C (50°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.
With around 34 mm of rain, any showers tend to pass through rather than settle in; about 13 days with 6+ hours of sunshine and 11.7 hours of daylight fill the rest.
That is 8.3/10 on the same scale — 7th of 12 months, versus 10/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, February is materially better in Puerto Madryn — 1.7 points higher on the same scale.
Frequently asked
- What is the weather like in Puerto Madryn in September?
- In September, Puerto Madryn averages 10°C, 34 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
- Is September a good time to visit Puerto Madryn?
- September earns a 8.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Puerto Madryn in September?
- Expect about 34 mm of rain in September. Average humidity is 63% and there are about 13 days with 6+ hours of sunshine.
Curated in Puerto Madryn
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Puerto Madryn, Argentina. Live activities and tours from GetYourGuide, matched to this destination.