September Weather in La Ensenada, Chile

Last updated: August 21, 2025

September in La Ensenada, Chile brings a unique blend of autumnal beauty and varied weather patterns. With maximum temperatures reaching 20°C (68°F) and a chilly average of 7°C (45°F), visitors can expect a refreshing shift in climate. Nights can dip to a brisk -2°C (28°F), so layering is advisable. This month also sees significant rainfall, accumulating to 236 mm (9.3 in) over 17 days, contributing to the region's lush landscapes. The high humidity, averaging 85%, adds to the crisp coastal air, making September a time of both vibrancy and transformation in this picturesque locale.

September Temperature in La Ensenada

In September, La Ensenada, Chile begins to shake off the winter chill, with temperatures slowly rising as spring approaches. The minimum temperature rests around -2°C (28°F), suggesting that early mornings can still be brisk, while the average temperature climbs to a mild 7°C (45°F). As the days progress, residents can enjoy a pleasant maximum of 20°C (68°F), offering a comfortable setting for outdoor activities. This month marks a transition from the cold grip of winter, as temperatures steadily increase, setting the stage for the warmer and more vibrant months ahead.

September Weather in La Ensenada: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Ensenada, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Ensenada, 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).
JanFebMarAprMayJunJulAugSepOctNovDec575955524843414244475255
Data source: Temperature data for La Ensenada 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 La Ensenada

September in La Ensenada, Chile, marks a transition into the wetter months, with precipitation totaling 236 mm (9.3 in) over 17 days. This figure reflects a notable decrease compared to the preceding months of June and August, which often experience heavier rainfall. As the spring season unfolds, September’s precipitation is lighter than the winter peaks, yet it still contributes significantly to the cumulative total of the year. The pattern of increasing rainfall from January through June, followed by a decline in July and a minor rebound in September, highlights a characteristic trend of distinct wet and dry periods that define the region’s climate. This mixed pattern not only shapes the local landscape but also influences agricultural activities, making it a vital month in the yearly cycle of precipitation.

September Precipitation Trends in La Ensenada

The chart displays monthly precipitation patterns in La Ensenada, 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 La Ensenada, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec141114204260395509349413236297224178
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Ensenada

As September arrives in La Ensenada, humidity levels begin to ease slightly from the peak summer highs. With an average of 85%, this month marks a subtle decline from the 87% recorded in the previous two months. Interestingly, the humidity in September can be seen as part of a broader trend: after a gradual increase from the milder conditions of early year—where January's humidity sits at 81%—the levels consistently rise through to late summer. Following September, a further dip to 83% in October suggests a transition into drier months ahead. Overall, the humidity in La Ensenada reflects the shift from the vibrant warmth of summer towards the refreshing breezes of fall.

September Average Humidity in La Ensenada

This chart illustrates the average monthly humidity levels in La Ensenada, 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 La Ensenada 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 La Ensenada

As September settles in La Ensenada, Chile, the UV Index registers at 7, categorizing it as high and indicating a burn time of just 25 minutes for unprotected skin. This marks a slight increase from the moderate levels of the previous months, reflecting the onset of spring. Following September, the UV Index is expected to rise again sharply with October's reading jumping back to 9, which transitions into the very high category. Observing this upward trend, it's essential for residents and visitors alike to stay vigilant with sun protection as the days grow longer and sunnier. For more detailed information on UV exposure levels throughout the year, check the full guide at La Ensenada UV Index.

Maximum UV Index Levels in La Ensenada for September

The chart shows the monthly maximum UV Index (UVI) for La Ensenada 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 La Ensenada typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1412964235791214
Data source: La Ensenada 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 La Ensenada

As September rolls in, La Ensenada shines with 217 hours of glorious sunshine, marking a gentle transition as the days begin to lengthen following the chill of winter. While this month doesn’t quite match the brightness of the summer peak in January with 277 hours and February's 301 hours, it stands out positively against the winter months of June to August, which barely scraped past 165 hours. This increase heralds the arrival of spring, hinting at brighter days ahead, as sunshine gradually builds towards October's enticing 246 hours and November’s dazzling 283 hours. This pattern not only paints a picture of warming weather but also invites outdoor enthusiasts to embrace the burgeoning beauty of La Ensenada’s landscape.

Monthly Sunshine Duration in La Ensenada: September Highlighted

The September sunshine duration represents the total number of hours La Ensenada 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.
JanFebMarAprMayJunJulAugSepOctNovDec277h301h296h219h177h120h148h165h217h246h283h337h
Data source: La Ensenada September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Ensenada During September

In La Ensenada, Chile, the likelihood of sunny weather in September presents a modest 35% chance of sunshine. As the seasons transition from winter to spring, this percentage hints at the gradual return of brighter days, contrasting significantly with the much lower probabilities observed in the winter months of July and August, where the chances dip to 20% and 25%, respectively. Notably, September’s sunshine opportunity is an encouraging shift from the gloom of the preceding months, yet it remains below the averages of October and November, which see better prospects of 34% and 37% respectively. Overall, September acts as a bridge, hinting at the promise of a sunnier spring ahead while still holding onto the tail end of winter's efforts.

Percentage of Sunny Days in September in La Ensenada

The chart illustrates the percentage of sunny days in La Ensenada 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 La Ensenada experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%63%53%20%28%27%20%25%35%34%37%58%
Data source: La Ensenada September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Ensenada in September

In La Ensenada, Chile, the rhythms of daylight weave a captivating tapestry throughout the year. As September unfolds, residents enjoy approximately 11 hours of daylight, marking a gentle reawakening after the darker winter months. This increase in light is a precursor to the longer days of spring and summer, with daylight steadily growing from 10 hours in August to 13 hours in October. The gradual rise in day length reflects a shift from the depths of winter, where daylight lingers at just 9 hours from June to August. This trend showcases nature’s cyclical dance, inviting the vibrant colors of spring to emerge as the days gradually stretch longer, leading up to the sun-soaked months of December, where daylight peaks at an impressive 15 hours.

Average Daylight Hours in La Ensenada for September

The chart illustrates the variation in daylight duration in La Ensenada throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 43m13h 38m12h 17m10h 55m9h 47m9h 13m9h 31m10h 32m11h 50m13h 13m14h 26m15h 4m
Data source: La Ensenada daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in La Ensenada

As September arrives in La Ensenada, Chile, the gentle breeze offers a refreshing transition from the bustling winter months. With an average wind speed of 1.8 m/s (4 mph), this month reflects a slight dip compared to the more robust gusts of the previous winter, which topped off at 2.3 m/s in both June and August. The calmness of September indicates a shift towards the milder conditions of spring, as the wind speed here tends to stabilize in the coming months, ranging from 2.1 to 2.2 m/s (5 mph) from October through December. Overall, September serves as a gentle introduction to the warmer season, inviting residents and visitors to enjoy the tranquil beauty of the landscape.

Average September Wind Speed in La Ensenada

The chart displays monthly wind speed patterns in La Ensenada, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.02.01.92.22.31.92.31.8 m/s2.12.12.2
Data source: La Ensenada September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in La Ensenada Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures range from a chilly -2°C (28°F) to a mild 20°C (68°F), with an average of 7°C (45°F). The month is characterized by significant precipitation, totaling 236 mm (9.3 in) over 17 days and marked by high humidity levels of 85%. In contrast, January experiences warmer temperatures, with a minimum of 3°C (37°F), an average of 14°C (57°F), and a pleasant maximum of 26°C (79°F). Precipitation drops to 141 mm (5.5 in) over just 10 days, and humidity remains slightly lower at 81%. For more information, you can check La Ensenada weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a chilly minimum of -2°C (28°F) to a maximum of 20°C (68°F), with an average of 7°C (45°F). This month sees considerable precipitation, totaling 236 mm (9.3 in) over 17 days, and high humidity at 85%. In contrast, February boasts milder conditions, with minimum temperatures of 4°C (39°F) and maxima soaring to 32°C (90°F), averaging 15°C (59°F). Precipitation is notably lower in February at 114 mm (4.5 in) across just 7 days, while humidity is slightly lower at 80%. For a more detailed overview of February weather in this region, check La Ensenada weather in February.

When comparing the weather in September and March, notable differences emerge in temperature, precipitation, and humidity. September tends to be cooler, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 20°C (68°F), while March enjoys milder conditions, with averages between 3°C (38°F) and 25°C (78°F). In terms of precipitation, September receives a higher total of 236 mm (9.3 in) over 17 days, compared to March's 204 mm (8.0 in) across 12 days, indicating a slightly drier and sunnier trend in the latter month. Additionally, March features lower humidity at 79%, compared to September’s higher level of 85%. For more detailed insights, check out La Ensenada weather in March.

When comparing the weather in September and April, notable differences emerge despite their proximity in the calendar year. September typically experiences slightly cooler temperatures, with average highs around 20°C (68°F) compared to April's average maximum of 22°C (72°F). Both months have similar minimum temperatures, yet April's average temperature of 11°C (52°F) surpasses September's average of 7°C (45°F). Additionally, while September sees a substantial amount of rainfall, totaling 236 mm (9.3 in) over 17 days, April has even higher precipitation levels, with 260 mm (10.2 in) over just 15 days. Humidity levels remain fairly consistent between the two months, with September at 85% and April slightly lower at 84%. For a deeper look into April weather specifics, you can check La Ensenada weather in April.

In comparing the weather of September and May, we find distinct differences in temperature and precipitation. September experiences a milder range of temperatures, with a minimum of -2°C (28°F) and a maximum of 20°C (68°F), averaging around 7°C (45°F). In contrast, May's temperatures are slightly cooler, with a minimum of -3°C (27°F) and a maximum of 19°C (67°F) while maintaining a higher average of 9°C (48°F). Precipitation levels also vary, as September records 236 mm (9.3 in) over 17 days, whereas May sees a significant increase with 395 mm (15.5 in) over 19 days, contributing to the higher humidity levels in both months, which are around 85% in September and 86% in May. For a more detailed look at May's weather, visit La Ensenada weather in May.

September and June present contrasting weather patterns. In September, the temperatures range from a low of -2°C (28°F) to a comfortable high of 20°C (68°F), with an average of 7°C (45°F). Precipitation during this month is relatively high at 236 mm (9.3 in), occurring on about 17 days, and humidity levels sit at 85%. In contrast, June experiences slightly cooler temperatures with a minimum of -2°C (28°F), an average of 6°C (43°F), and a maximum of only 14°C (57°F). Rainfall is notably heavier in June, totaling 509 mm (20.0 in) over 23 days, and humidity remains high at 86%. For more specific details on June weather, you can visit La Ensenada weather in June.

In comparing the weather of September and July, we see notable differences in temperature and precipitation. September boasts a milder range, with temperatures varying from a minimum of -2°C (28°F) to a maximum of 20°C (68°F) and an average of 7°C (45°F). In contrast, July is cooler, featuring temperatures that range from a minimum of -5°C (24°F) and peak at 13°C (57°F), with an average of 5°C (42°F). Precipitation levels are higher in July, totaling 349 mm (13.7 in) over 21 days, compared to September's 236 mm (9.3 in) over 17 days. The humidity is slightly elevated in July at 87%, compared to September’s 85%. For a closer look at July's weather, visit La Ensenada weather in July.

In comparing the weather of September and August, September experiences a milder temperature range with a minimum of -2°C (28°F) and a maximum of 20°C (68°F), while August is cooler, with temperatures dipping to -5°C (24°F) at night and peaking at 16°C (61°F). Although September has a higher average temperature of 7°C (45°F) compared to August's 5°C (42°F), it receives less precipitation, measuring 236 mm (9.3 in) over 17 days, in contrast to August's significantly wetter conditions of 413 mm (16.3 in) over 21 days. Humidity levels remain similar, at 85% for September and slightly higher at 87% for August. For more detailed insights into August weather, you can refer to La Ensenada weather in August.

September and October exhibit relatively similar temperature ranges, with September showing a minimum of -2°C (28°F) and a maximum of 20°C (68°F), while October has a slightly higher minimum of -1°C (30°F) and the same maximum of 20°C (69°F). The average temperature in October increases marginally to 8°C (47°F) compared to September's 7°C (45°F). However, October experiences greater precipitation, totaling 297 mm (11.7 in) over 18 days, which is an increase from September's 236 mm (9.3 in) over 17 days. Interestingly, the humidity remains fairly high in both months, but is slightly lower in October at 83% compared to September's 85%. For more detailed information about weather conditions, you can check La Ensenada weather in October.

In comparing the weather of September and November, we notice several key differences. September experiences a temperature range from a minimum of -2°C (28°F) to a maximum of 20°C (68°F), with an average of 7°C (45°F). The month sees significant precipitation, totaling 236 mm (9.3 in) over 17 days, accompanied by high humidity at 85%. In contrast, November has a milder temperature range with minimums of 1°C (34°F) and maximums reaching 22°C (71°F), averaging 11°C (52°F). Precipitation is slightly lower at 224 mm (8.8 in) over 15 days, with humidity at 80%. For more detailed information, you can check La Ensenada weather in November.

Comparing the weather in September and December reveals notable differences. In September, temperatures fluctuate from a chilly minimum of -2°C (28°F) to a comfortable maximum of 20°C (68°F), with an average of 7°C (45°F). The month experiences significant rainfall, totaling 236 mm (9.3 in) over 17 days, and humidity levels remain high at 85%.

In contrast, December brings milder temperatures, with a minimum of 4°C (39°F) and a maximum of 27°C (81°F), yielding a higher average temperature of 13°C (55°F). Precipitation decreases to 178 mm (7.0 in) over 12 days, and humidity slightly drops to 82%. For more detailed information, you can check La Ensenada weather in December.

Compare La Ensenada's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in La Ensenada

As September rolls in, La Ensenada experiences a notable shift in weather, characterized by an average temperature of 7°C that can feel more brisk compared to the milder months that follow. While the chill can descend to a minimum of -2°C, the maximum temperature hovers around a comfortable 20°C. This transitional month also brings a fair share of rain, with approximately 236 mm of precipitation over 17 days, contributing to an elevated humidity level of 85%. Unlike the drier summer months, September's dampness and cooler air herald the arrival of spring, making it a unique time to experience the region. For a more detailed look at what to expect throughout the year, check out La Ensenada Climate.