September Weather in Puerto Madryn, Argentina

Last updated: August 21, 2025

In September, Puerto Madryn experiences a diverse range of weather, with temperatures fluctuating between a maximum of 32°C (90°F) and a chilly minimum of 0°C (32°F). The average temperature settles at a comfortable 12°C (54°F), making it an appealing time for outdoor activities. During this month, residents and visitors encounter about 16 mm (0.6 in) of rainfall over three days, contributing to the area's 68% humidity. The combination of warm days and crisp nights creates a unique climate that enhances the beauty of this coastal destination.

September Temperature in Puerto Madryn

In September, Puerto Madryn begins its gradual transition into spring, marked by a rise in temperatures that brings a refreshing change from the winter chill. With minimums around 0°C (32°F) and average highs reaching 32°C (90°F), the weather becomes more comfortable and inviting. As the month progresses, the days lengthen, contributing to the average temperature of 12°C (54°F), which is a significant increase compared to the previous months. This seasonal shift not only enhances the natural beauty of the region but also signals the arrival of wildlife and outdoor activities, making September an ideal time for visitors to experience the charm of this coastal gem.

September Weather in Puerto Madryn: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Puerto Madryn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Madryn, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec727166605246454954596570
Data source: Temperature data for Puerto Madryn generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Puerto Madryn

In September, Puerto Madryn experiences a moderate level of precipitation, accumulating around 16 mm (0.6 in) over the course of approximately 3 days. This slight dip follows the wetter winter months of June and March, each delivering over 40 mm of rainfall, while the overall trend shows a gradual decline in precipitation as the year transitions back into the warmer months. Notably, the drizzle in September signifies a shift towards dryer conditions that will persist into October, as the region prepares for the upcoming spring. This consistent, albeit mild, rainfall supports the region’s unique ecosystem while also hinting at a seasonal change that locals eagerly anticipate.

September Precipitation Trends in Puerto Madryn

The chart displays monthly precipitation patterns in Puerto Madryn, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Puerto Madryn, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec111042251743202016123016
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Puerto Madryn

In September, Puerto Madryn experiences a notable shift in humidity, settling at 68%. This month marks a transition as the moisture levels begin to recede from the peak experienced during the winter months, which saw humidity levels reach 78% in both July and August. The gradual decline is reminiscent of the pattern observed earlier in the year, where humidity peaked in the cooler months and tapered off as spring approaches. Interestingly, September's humidity is lower than the highs of May and June, suggesting a move towards more comfortable conditions as the region prepares for the warmth of October, when humidity is forecasted to drop further to 60%. This ebb and flow of moisture not only influences the comfort levels for residents and visitors alike but also paints a vivid picture of Puerto Madryn's seasonal climatic rhythm.

September Average Humidity in Puerto Madryn

This chart illustrates the average monthly humidity levels in Puerto Madryn, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Puerto Madryn is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%54%63%65%71%77%78%78%68%60%54%48%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Puerto Madryn

As September rolls into Puerto Madryn, the UV Index climbs to 6, categorizing it as high, with a burn time of just 25 minutes. This marks a gradual increase from the lower levels observed in the winter months, reflecting the transition into spring. Compared to the milder conditions of June and July, where the UV Index dipped to just 2 and 3, respectively, September signals a stronger sun, urging residents and visitors to prioritize sun safety. The UV Index is set to continue rising, reaching 8 in October, further emphasizing the need for protective measures as warmer days approach. For more essential information on UV levels throughout the year, visit Puerto Madryn UV Index.

Maximum UV Index Levels in Puerto Madryn for September

The chart shows the monthly maximum UV Index (UVI) for Puerto Madryn in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Puerto Madryn typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1411853234681213
Data source: Puerto Madryn September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Puerto Madryn

In September, Puerto Madryn basks in the warm embrace of 307 hours of sunshine, marking a delightful transition into spring. This month presents a notable rise from the winter months, where sunshine hours dipped below 220. As the days grow longer, September illuminates a promising lead-up to the sun-drenched summer months ahead, foreshadowing the peak of 411 hours in December. With each passing month, the gradual increase in sunlight not only invigorates the natural beauty of this coastal gem but also beckons visitors eager to experience its vibrant marine life and breathtaking landscapes.

Monthly Sunshine Duration in Puerto Madryn: September Highlighted

The September sunshine duration represents the total number of hours Puerto Madryn experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec329h344h333h280h243h206h216h259h307h352h367h411h
Data source: Puerto Madryn September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Puerto Madryn During September

In Puerto Madryn, the transition from winter to spring in September brings a refreshing increase in sunshine, with a 61% chance of clear skies. This marks a notable uplift compared to the cooler months, where the percentages dipped as low as 48% in May and hovered around the mid-50s through July. As September unfolds, it paves the way for sunnier days that foreshadow the warmer October, which boasts a 66% chance of sunlight. This gradual recovery in sunny weather not only invites locals and tourists alike to enjoy outdoor activities but also signals the region's vibrant transformation as it approaches the summer months.

Percentage of Sunny Days in September in Puerto Madryn

The chart illustrates the percentage of sunny days in Puerto Madryn throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Puerto Madryn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec71%73%65%56%48%56%54%59%61%67%58%79%
Data source: Puerto Madryn September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Puerto Madryn in September

As September rolls into Puerto Madryn, the daylight hours gradually begin to pick up momentum after the winter months. With 11 hours of daylight, this month marks a noticeable shift from the darker weeks of winter and moves toward the longer days of spring. Following the consistent 9 hours observed from June to August, September offers a refreshing increase that signals the onset of warmer weather. The trend continues into October, which will jump to 13 hours, highlighting a clear path towards the sun-drenched days of summer ahead. This gradual elongation of daylight not only invigorates the landscape but also inspires locals and visitors alike to embrace the joys of outdoor activities as nature bursts back to life.

Average Daylight Hours in Puerto Madryn for September

The chart illustrates the variation in daylight duration in Puerto Madryn throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 53m13h 44m12h 18m10h 51m9h 39m9h 3m9h 23m10h 27m11h 49m13h 17m14h 34m15h 15m
Data source: Puerto Madryn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Puerto Madryn

As September arrives in Puerto Madryn, Argentina, the coastal winds begin to make their presence felt, averaging around 4.9 m/s (11 mph). This marks a slight dip from the summer months where winds peak at 5.8 m/s (13 mph) in February. Following a gradual decline from the height of summer, September's breezes are reminiscent of the tranquil yet invigorating atmosphere of early autumn. As the days grow cooler, returning trends suggest that the winds gradually pick up again in October, reaching speeds of 5.7 m/s. This rhythmic fluctuation highlights the dynamic climate of the region, where each month brings a new character to the winds, setting the stage for the vibrant wildlife encounters and breathtaking scenery that Puerto Madryn is known for.

Average September Wind Speed in Puerto Madryn

The chart displays monthly wind speed patterns in Puerto Madryn, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.85.24.14.64.74.85.04.9 m/s5.75.65.7
Data source: Puerto Madryn September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Puerto Madryn Compares to Other Months

Weather in Puerto Madryn varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Puerto Madryn, focusing on differences in temperature, rainfall, humidity, and UV levels.

In September, temperatures in Puerto Madryn range from a chilly 0°C (32°F) at night to a balmy 32°C (90°F) during the day, with an average of 12°C (54°F). The month sees about 16 mm (0.6 in) of precipitation over three days, along with relatively high humidity at 68%. In contrast, January experiences warmer weather, with minimum temperatures of 8°C (47°F) and maximums soaring to a scorching 44°C (111°F), averaging around 22°C (72°F). The precipitation is slightly lower at 11 mm (0.5 in) over just two days, and the humidity drops to 51%. For more details, check out Puerto Madryn weather in January.

September and February present contrasting weather patterns. September experiences a wider temperature range, with minimums dipping to 0°C (32°F) and maximums reaching up to 32°C (90°F), combined with higher humidity levels at 68%. In contrast, February maintains a warmer average temperature of 21°C (71°F), with a milder minimum of 6°C (43°F) and highs soaring to 39°C (103°F). Precipitation in September is slightly higher at 16 mm (0.6 in) over 3 days, compared to February's 10 mm (0.4 in) over just 2 days. For more specifics on February weather, you can check Puerto Madryn weather in February.

When comparing the weather of September and March, significant differences can be observed. September experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 12°C (54°F), while March sees milder conditions, starting from a minimum of 4°C (40°F) and averaging 19°C (66°F). March also boasts a higher maximum temperature, reaching up to 37°C (99°F), compared to September's peak of 32°C (90°F). Additionally, March tends to be wetter, with 42 mm (1.6 in) of precipitation over 5 days, compared to September's 16 mm (0.6 in) over just 3 days. Humidity levels are also slightly lower in March at 62%, while September holds a higher average humidity of 68%. For more detailed information, you can refer to the Puerto Madryn weather in March.

When comparing the weather in September and April, notable differences emerge in temperature and precipitation patterns. September experiences a wider temperature range, with lows of 0°C (32°F) and peak highs reaching 32°C (90°F), while April boasts slightly warmer averages with minimum temperatures dipping to -2°C (29°F) and maximum temperatures soaring to 34°C (94°F). Furthermore, April tends to have more precipitation, totaling 25 mm (1.0 in) over just 2 days, compared to September's 16 mm (0.6 in) over 3 days. The humidity is relatively similar, with September at 68% and April slightly lower at 65%. For a more detailed look at the weather specifics for April, you can visit Puerto Madryn weather in April.

When comparing the weather in September and May, we see some intriguing differences and similarities. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 32°C (90°F), with an average of 12°C (54°F). In contrast, May tends to be cooler, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 27°C (82°F), and an average of 11°C (52°F). Both months experience similar levels of precipitation, around 16-17 mm (0.6-0.7 in) over three days, and humidity levels are fairly close at 68% for September and 71% for May. For more detailed information on May weather, you can check Puerto Madryn weather in May.

When comparing the weather in September and June, September experiences a broader temperature range, with minimums reaching 0°C (32°F) and maximums soaring up to 32°C (90°F), while June's temperatures are cooler, varying between a minimum of -6°C (21°F) and a maximum of 21°C (70°F). Precipitation is notably lower in September, with only 16 mm (0.6 in) over about 3 days, compared to June's 43 mm (1.7 in) over 4 days. Additionally, September has a humidity level of 68%, whereas June is slightly more humid at 77%. For a more detailed look at June's weather, visit Puerto Madryn weather in June.

In comparing the weather of September and July, September showcases a wider temperature range, with minimums reaching 0°C (32°F) and maximums soaring up to 32°C (90°F), offering a comfortable average of 12°C (54°F). In contrast, July presents cooler conditions, with minimum temperatures dipping to -7°C (20°F) and maximums peaking at only 21°C (70°F), resulting in a lower average of 7°C (45°F). Additionally, September experiences less precipitation at 16 mm (0.6 in) over 3 days, compared to July's 20 mm (0.8 in) over 4 days, albeit with slightly higher humidity levels in July at 78% versus September's 68%. For a detailed look at July weather conditions in Puerto Madryn, visit Puerto Madryn weather in July.

In comparing the weather conditions of September and August, September showcases a wider temperature range with a minimum of 0°C (32°F) and a maximum of 32°C (90°F), resulting in an average temperature of 12°C (54°F). In contrast, August experiences cooler temperatures, with a minimum of -5°C (24°F), an average of 9°C (49°F), and a maximum of 25°C (77°F). Precipitation is slightly lower in September at 16 mm (0.6 in) over three days, compared to August’s 20 mm (0.8 in) over the same number of days. Additionally, September has a humidity level of 68%, which is a bit less than August's higher humidity of 78%. For a more detailed look at August's climate specifics, you can check Puerto Madryn weather in August.

September and October in Puerto Madryn present a notable transition in weather patterns. September sees a wider range of temperatures, with lows around 0°C (32°F) and highs peaking at 32°C (90°F), while the average temperature settles at 12°C (54°F). The month experiences a moderate level of precipitation at 16 mm (0.6 in) over three days, accompanied by a higher humidity level of 68%. In contrast, October features slightly cooler minimum temperatures down to -2°C (29°F) and a higher average of 15°C (59°F), though it still shares the same maximum of 32°C (90°F). Precipitation decreases to 12 mm (0.5 in) over three days, and humidity drops to 60%. For more detailed information, visit Puerto Madryn weather in October.

In September, the weather is characterized by a minimum temperature of 0°C (32°F) and an average of 12°C (54°F), with the potential to reach a maximum of 32°C (90°F). The month experiences relatively low precipitation, totaling 16 mm (0.6 in) over about 3 days, alongside a higher humidity of 68%. In contrast, November sees a milder minimum temperature of 4°C (40°F) and a warmer average of 18°C (65°F), with a maximum temperature that can soar to 37°C (98°F). However, November is also wetter, with 30 mm (1.2 in) of precipitation over around 5 days and lower humidity at 54%. For more detailed information on November's climate, visit Puerto Madryn weather in November.

In comparing the weather between September and December, we can observe distinct contrasts. September features a minimum temperature of 0°C (32°F) and an average of 12°C (54°F), with a maximum reaching 32°C (90°F). Humidity is relatively high at 68%, and the month experiences light precipitation totaling 16 mm (0.6 in) over just three days. By contrast, December is noticeably warmer, with a minimum temperature of 6°C (44°F) and an average of 21°C (70°F), while the maximum climbs to a sweltering 38°C (101°F). The humidity in December drops to 48%, maintaining the same level of precipitation as September at 16 mm (0.6 in) over the same three-day duration. For those interested in more details, you can check out Puerto Madryn weather in December.

Compare Puerto Madryn's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Puerto Madryn

As September unfolds in Puerto Madryn, the weather starts to transition, showcasing a mix of warmth and coolness that distinguishes it from the hotter summer months. While daytime temperatures can reach a pleasant 32°C (90°F), the average remains at a mild 12°C (54°F), offering a refreshing change from the sweltering heat of January. With minimal precipitation—just about 16 mm (0.6 in) over three days—and a relatively high humidity of 68%, the month presents a balanced climate perfect for outdoor adventures. This time of year marks a delightful shift as nature awakens, making it an ideal period to explore the beauty of Puerto Madryn. For more detailed insights, check out the Puerto Madryn Climate.