September Weather in Puerto Varas, Chile

Last updated: August 21, 2025

September in Puerto Varas, Chile heralds the arrival of spring, with temperatures gently rising from a brisk minimum of 0°C (33°F) to a pleasant maximum of 20°C (67°F). The average temperature hovers around 9°C (48°F), making it an ideal time for exploring the region's stunning landscapes. However, adventurers should come prepared, as the month experiences about 142 mm (5.6 in) of precipitation over approximately 16 days, contributing to the lush greenery for which the area is famed. Coupled with a humidity level of 85%, the air is filled with the fresh scents of blooming flora, creating a vibrant backdrop for outdoor activities in this picturesque locale.

September Temperature in Puerto Varas

In September, Puerto Varas begins to shake off the chill of winter, with temperatures gradually rising as spring approaches. The month features a minimum of 0°C (33°F), making the nights still feel brisk, while the average temperature hovers around 9°C (48°F). Comfortable days can be enjoyed with highs reaching up to 20°C (67°F), signaling a welcome transition from the colder months. This pattern of warming reflects a broader trend in the region, as temperatures consistently climb from the depths of winter, providing both locals and visitors a refreshing shift in the climate, perfect for exploring the scenic beauty of this stunning Chilean locale.

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

The chart illustrates September temperature patterns in Puerto Varas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Varas, 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).
JanFebMarAprMayJunJulAugSepOctNovDec596056535046454648505457
Data source: Temperature data for Puerto Varas 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 Varas

In September, Puerto Varas experiences a noteworthy transition as it welcomes the onset of the spring season. With 142 mm (5.6 inches) of precipitation falling over 16 days, this month serves as a bridge between the peak of winter rains and the milder, drier days to come. Although September's rainfall is a bit less than the previous months, it still reflects a healthy amount of moisture needed for the lush landscapes that define this region. The combination of cooler temperatures and consistent rain creates a vibrant setting, filled with blooming flora, making it an enchanting time to witness the beauty of nature awakening after the long, wet winter months. This gradual reduction in precipitation hints at a shift towards more moderate weather, setting the stage for clearer skies ahead.

September Precipitation Trends in Puerto Varas

The chart displays monthly precipitation patterns in Puerto Varas, 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 Varas, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec635610815122729020325414215711997
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Puerto Varas

In September, Puerto Varas experiences a notable humidity level of 85%, which is a slight dip from the peak summer months but still indicative of the region's characteristically moist climate. As the year progresses, humidity in Puerto Varas generally trends upward from a comfortable 81% in January to a maximum of 87% in July and August, before fluctuating slightly in the fall months. The transition to early spring sees humidity levels begin to balance out, providing a refreshing atmosphere as the days grow longer. This month, along with May and June, represents a transitional period, marked by a blend of the lingering dampness of winter and the incoming warmth of springtime.

September Average Humidity in Puerto Varas

This chart illustrates the average monthly humidity levels in Puerto Varas, 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 Varas is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%79%84%86%86%87%87%85%83%80%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Puerto Varas

As September rolls into Puerto Varas, the UV Index reaches 6, categorizing the sun exposure as high. This signals a shift from the lower levels experienced in mid-winter months, where UV exposure was more manageable, to a period that necessitates greater caution. With a burn time of 25 minutes, it's essential for locals and visitors alike to start embracing sun protection measures once again. This trend of increasing UV levels will continue into the following months, peaking in the summer, so being aware of the UV Index can help ensure safe outdoor enjoyment. For more detailed information, check out the Puerto Varas UV Index.

Maximum UV Index Levels in Puerto Varas for September

The chart shows the monthly maximum UV Index (UVI) for Puerto Varas 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 Varas typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1412964234691213
Data source: Puerto Varas 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 Varas

September in Puerto Varas, Chile, brings a refreshing transition into spring with an impressive 226 hours of sunshine, which reflects a significant increase from the winter months. This rise in sunlight not only boosts the spirits of locals but also sets the stage for the vibrant blooms and outdoor activities ahead. Following the mellow days of August, which offered only 175 hours, September marks a notable shift, hinting at the warmer days of October with its increased 251 hours of sunlight. As the days grow longer, the balance of light and warmth beckons both residents and visitors to embrace the stunning landscapes that this charming town offers, making it an idyllic time to explore the beauty of the Chilean lakes and volcanoes.

Monthly Sunshine Duration in Puerto Varas: September Highlighted

The September sunshine duration represents the total number of hours Puerto Varas 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.
JanFebMarAprMayJunJulAugSepOctNovDec276h299h297h217h175h131h154h175h226h251h276h329h
Data source: Puerto Varas September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Puerto Varas During September

In Puerto Varas, Chile, September marks a transitional period as winter fades and spring begins to emerge. With a 34% chance of sunny weather, this month sees a noticeable increase in brightness compared to the preceding winter months, which typically feature much lower probabilities of sunshine. While the likelihood of sun is still moderate, it heralds the approach of more radiant days ahead; notably, this chance begins to increase progressively through spring, reaching 36% in October. As outdoor activities become more appealing, September is a promising time to enjoy the beauty of the region, even if occasional clouds might linger.

Percentage of Sunny Days in September in Puerto Varas

The chart illustrates the percentage of sunny days in Puerto Varas 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 Varas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%66%50%21%25%30%23%20%34%36%35%55%
Data source: Puerto Varas September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Puerto Varas in September

As the seasons transition in Puerto Varas, Chile, September marks a refreshing shift in daylight duration, offering approximately 11 hours of sunlight— a pleasant increase from the 10 hours experienced in August. This gradual extension of daylight heralds the approach of spring, with daylight steadily lengthening throughout the year. The trend is clear, as we move from the short days of winter— where daylight dips to a minimum of 9 hours from June to August— towards the longer days of summer, peaking at 15 hours in December. September’s moderate increase is a vibrant reminder of nature's rhythm, as vibrant blooms and warmer temperatures begin to emerge alongside the longer days.

Average Daylight Hours in Puerto Varas for September

The chart illustrates the variation in daylight duration in Puerto Varas throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 44m13h 39m12h 17m10h 55m9h 46m9h 13m9h 31m10h 32m11h 50m13h 13m14h 27m15h 5m
Data source: Puerto Varas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Puerto Varas

As September rolls into Puerto Varas, the winds begin to soften, with an average speed of just 3.1 m/s (7 mph)—the calmest month of the year. This gentle breeze contrasts sharply with the stronger gusts felt in August at 4.2 m/s (9 mph), hinting at the transition from winter's chill to the embrace of spring. Analyzing the monthly averages reveals a trend of gradually decreasing wind speeds during late summer and early autumn, with January to March hovering around 4.1 m/s to 3.7 m/s before dipping lower into the early fall. As the winds soften, Puerto Varas invites you to bask in the serene beauty of its landscapes, making September a perfect time for leisurely strolls and outdoor explorations.

Average September Wind Speed in Puerto Varas

The chart displays monthly wind speed patterns in Puerto Varas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.03.73.43.73.83.44.23.1 m/s3.63.64.2
Data source: Puerto Varas September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Puerto Varas Compares to Other Months

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

When comparing the weather in September and January, there are notable differences in temperature and precipitation. September typically sees lower temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 20°C (67°F), while January enjoys warmer conditions with temperatures varying between 5°C (41°F) and 27°C (81°F). Additionally, September experiences significantly higher precipitation, with an average of 142 mm (5.6 in) over 16 days, compared to January's 63 mm (2.5 in) over just 8 days. Humidity levels are slightly higher in September at 85%, compared to 81% in January. For more detailed information, you can visit Puerto Varas weather in January.

When comparing the weather between September and February, notable differences emerge in temperature and precipitation levels. September experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 9°C (48°F), peaking at 20°C (67°F). It also experiences higher precipitation, accumulating 142 mm (5.6 in) over 16 days and an average humidity of 85%. In contrast, February offers a much warmer climate, with minimum temperatures of 5°C (42°F) and averages hitting 16°C (60°F), peaking at a sweltering 34°C (93°F). Additionally, February sees significantly less rainfall, with only 56 mm (2.2 in) over just 6 days and a slightly lower humidity of 80%. For more specific details about February weather, you can visit Puerto Varas weather in February.

When comparing the weather in September and March, there are notable differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 9°C (48°F), while March warms up significantly, featuring a minimum of 4°C (40°F) and an average of 14°C (57°F). Maximum temperatures also reflect this shift, peaking at 20°C (67°F) in September compared to 26°C (80°F) in March. Additionally, September sees heavier precipitation at 142 mm (5.6 in) over 16 days, compared to March's 108 mm (4.3 in) over just 10 days, resulting in slightly lower humidity levels in March at 79% versus 85% in September. For more details, you can check out Puerto Varas weather in March.

In comparing the weather of September and April, it's evident that both months share a similar level of humidity, with September at 85% and April slightly lower at 84%. Average temperatures are milder in April, reaching 12°C (53°F) compared to September's 9°C (48°F), while maximum temperatures are comparable, peaking at 22°C (72°F) in April and 20°C (67°F) in September. Precipitation levels are fairly close, with September receiving 142 mm (5.6 in) over 16 days and April recording 151 mm (5.9 in) during 14 days. For more detailed insights on the weather during this month, you can check out Puerto Varas weather in April.

In comparison to May, September experiences slightly cooler average temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 20°C (67°F), while May boasts an average of 10°C (50°F) with a similar maximum of 21°C (69°F). Both months are characterized by significant rainfall, but May is notably wetter, with 227 mm (8.9 in) of precipitation occurring over 19 days, compared to September's 142 mm (5.6 in) across 16 days. Additionally, humidity levels are comparable, with September at 85% and May slightly higher at 86%. For more detailed insights into the weather patterns during May, you can visit Puerto Varas weather in May.

When comparing the weather in September and June, it's clear that both months experience cool temperatures, but September tends to be slightly warmer. In September, temperatures range from a minimum of 0°C (33°F) to a maximum of 20°C (67°F), with an average of 9°C (48°F). Conversely, June features cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 15°C (60°F), averaging around 8°C (47°F). Additionally, June experiences significantly more precipitation, totaling 290 mm (11.4 in) over 22 days, while September sees 142 mm (5.6 in) over 16 days, though both months have high humidity levels, around 85% and 86% respectively. For a more detailed look at June weather, you can check Puerto Varas weather in June.

When comparing the weather in September and July, notable differences emerge in temperature and precipitation patterns. September enjoys a warmer climate with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 20°C (67°F), while July is cooler, with lows of -2°C (29°F) and highs reaching only 14°C (58°F). September also sees a significant reduction in precipitation, totaling 142 mm (5.6 in) over 16 days compared to July’s 203 mm (8.0 in) over 19 days. Humidity levels remain relatively high in both months, with September at 85% and July slightly higher at 87%. For more detailed information, you can refer to Puerto Varas weather in July.

In comparison to August, September experiences slightly milder temperatures with a maximum of 20°C (67°F) compared to August's 15°C (60°F). The average temperature in September rises to 9°C (48°F), making it a bit more comfortable than the previous month, which had an average of 8°C (46°F). However, September sees a considerable drop in precipitation, with 142 mm (5.6 in) over 16 days, compared to the heavier 253 mm (10.0 in) across 21 days in August. Humidity levels remain high in both months, with September at 85% and August at 87%. For more details on August weather, you can check Puerto Varas weather in August.

In comparing the weather of September and October, October shows a slight increase in average temperature, rising to 10°C (50°F) from September's average of 9°C (48°F), with maximum temperatures also inching up to 21°C (70°F) compared to 20°C (67°F) in September. However, October experiences a bit more rainfall, with 157 mm (6.2 in) over 18 days, surpassing September's 142 mm (5.6 in) over 16 days. Humidity remains relatively high in both months, but October has a slightly lower average at 83% compared to September's 85%. For a detailed overview of October's weather, you can view the information here: Puerto Varas weather in October.

September and November present a noticeable transition in weather patterns. In September, temperatures range from a chilly 0°C (33°F) to a comfortable 20°C (67°F), with an average of 9°C (48°F). The month sees significant precipitation of 142 mm (5.6 in) over 16 days, coupled with high humidity at 85%. By contrast, November offers a slightly warmer climate, with temperatures spanning from a minimum of 2°C (35°F) to a maximum of 23°C (74°F), and an average of 12°C (54°F). Precipitation decreases to 119 mm (4.7 in) over 14 days, and humidity levels drop to 80%. For more detailed information on November weather, check out Puerto Varas weather in November.

In September, the weather in Puerto Varas is notably cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 20°C (67°F) and an average of 9°C (48°F). The month is characterized by higher precipitation, totaling 142 mm (5.6 in) over 16 days, coupled with a humidity level of 85%. In contrast, December brings milder conditions with temperatures ranging from 6°C (43°F) at night to a warm 26°C (79°F) during the day, averaging around 14°C (57°F). Additionally, December experiences decreased precipitation at 97 mm (3.8 in) over 11 days and a slightly lower humidity of 82%. For a more detailed look at the weather in December, you can visit Puerto Varas weather in December.

Compare Puerto Varas's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Puerto Varas

As September arrives in Puerto Varas, the weather begins to shift, offering a refreshing contrast to the colder winter months. With temperatures gradually warming up, average highs reach a pleasant 20°C (67°F), while the city experiences a notable increase in precipitation, totaling 142 mm (5.6 in) across 16 days. This month is characterized by a higher humidity level of 85%, providing a lush, vibrant atmosphere as nature reawakens. As spring nudges its way in, the fluctuation between cooler mornings and warmer afternoons makes September a unique transitional period that invites exploration of the stunning landscapes surrounding the region. For a comprehensive view of how these changes affect the climate throughout the year, visit Puerto Varas Climate.