Last updated: August 21, 2025
September in Concepción, Chile showcases a dynamic blend of weather elements as the region transitions into spring. With maximum temperatures peaking at 28°C (83°F), the warmth begins to replace winter's chill, while average temperatures settle at a mild 10°C (51°F), creating a comfortable atmosphere for outdoor activities. Overnight, however, the mercury can dip to a brisk 2°C (35°F). This month also brings 65 mm (2.6 in) of precipitation over 7 days, contributing to a relative humidity of 79%, which adds a touch of moisture to the air. Such climatic conditions make September an intriguing time to experience the beauty of Concepción, where mild warmth and occasional rains come together harmoniously.
As September arrives in Concepción, Chile, a delightful shift in temperatures marks the transition from winter to spring. With minimums rising to 2°C (35°F) and averages reaching a refreshing 10°C (51°F), the chill of the previous months begins to fade. Daytime highs can soar to a pleasant 28°C (83°F), hinting at the warmth that will soon envelop the region. This time of year brings a sense of renewal, as nature begins to blossom and the days lengthen, making September a beautiful time to experience the vibrant surroundings of Concepción. Overall, the city showcases a balanced climate, ideal for enjoying outdoor adventures and the emerging beauty of spring.
In September, Concepción, Chile experiences a notable transition in its precipitation patterns. With 65 mm (2.6 inches) of rain falling over seven days, this month marks a significant dip compared to the preceding months of June and August, which recorded over 100 mm of rain. However, September's rainfall still exceeds the lighter drizzle seen earlier in the year, establishing a bridge towards the wetter months ahead. This uptick in precipitation signals the arrival of spring, as the region continues to shift from the dry conditions of the summer into a more verdant and vibrant season. The balance of rain and clear days creates a refreshing ambiance, making September a pivotal month in Concepción's climatic cycle.
In September, humidity levels in Concepción, Chile begin to show a gradual decline from the peak summer months. As the city transitions towards spring, the average humidity hovers around 79%, reflecting a slight decrease from the high August levels of 85%. This drop is part of a broader trend, as humidity gradually tapers off from the heightened levels experienced during the winter months, where it peaked at 86% in July and 85% in June. Overall, September serves as a pivotal month, balancing the lingering moisture of winter with the more comfortable conditions that follow in October, where humidity is projected to decrease further to 76%.
In September, Concepcion experiences a UV Index of 7, indicating a transition to the high exposure category with a recommended burn time of 25 minutes. As the month marks the start of spring in the Southern Hemisphere, the UV levels begin to rise from the winter months, reflecting a shift towards more intense sun exposure. This pattern continues into the coming months, with UV Index levels reaching very high in October and eventually peaking at extreme levels by January and February. It’s essential for residents and visitors to stay vigilant about sun protection during this time, especially as the warmer weather encourages outdoor activities. For more detailed information, check out the Concepcion UV Index.
UV Risk Categories
In September, Concepción, Chile, welcomes the arrival of spring with a refreshing 292 hours of sunshine, which marks a noticeable increase from the winter months when daylight was at its lowest. Following a gradual ascent in daylight throughout the previous months, September signifies a shift towards brighter days, indicating a transition into the sunnier part of the year. The hours of sunlight continue to climb, foreshadowing the vibrant spring and summer ahead, peaking in the later months with October reaching 344 hours and November basking in an impressive 369 hours. This trend not only enhances the city's natural beauty but also invites an array of outdoor activities, perfect for locals and visitors alike to revel in the blossoming landscapes.
As September arrives in Concepción, Chile, the chances of enjoying sunny weather see a modest rise, sitting at 58%. This marks a transition from the cooler, cloudier winter months, where June recorded only 29% sunshine. The trend suggests a gradual move towards sunnier days, with the likelihood steadily increasing from the depths of winter through to the warmer spring months. By October, the forecast improves further to 68%, foreshadowing the bright skies of summer ahead. Overall, while September's sun isn’t guaranteed, the upward trajectory in sunshine probabilities makes it a promising time to experience the beauty of Concepción.
As September dawns in Concepción, Chile, daylight begins to reclaim its presence after the winter months, with the sun shining for 11 hours each day. This gradual increase marks a transition period; following the shorter days of winter, September signals a gentle shift towards the longer days of spring. The daylight duration is a prelude to October, which boasts 13 hours of sunlight, setting the stage for the vibrant and lively months ahead. This trend reflects nature's rhythm, showcasing the gradual awakening of longer, brighter days that will eventually peak in December, where daylight reaches a lush 14 hours.
As September rolls into Concepción, Chile, the winds begin to shift, bringing a breath of fresh air with an average speed of 3.1 m/s (7 mph). This marks a slight uptick from the calmer summer months of January to May, when wind speeds lingered around 2.7 m/s (6 mph). With the approach of spring in the Southern Hemisphere, September stands out as a transitional period; it is both breezy and invigorating. Following this, wind speeds continue to gradually increase in October and November, reaching 3.3 m/s (7 mph) and 3.6 m/s (8 mph) respectively. This trend not only enhances Concepción's coastal charm but also sets the stage for an exhilarating outdoor experience as nature awakens from its winter slumber.
Weather in Concepcion varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Concepcion, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather features a much more moderate temperature range, with minimums at 2°C (35°F) and a maximum of 28°C (83°F), against an average of 10°C (51°F). This month sees a higher level of precipitation at 65 mm (2.6 in) over about 7 days, coupled with a humidity level of 79%. In contrast, January is characterized by significantly warmer conditions, with minimum temperatures of 7°C (44°F) and maximums soaring to 38°C (100°F), yielding an average of 18°C (65°F). Notably, January experiences much lower precipitation at just 6 mm (0.3 in) over only 1 day and a humidity level of 68%. For more detailed information, check out Concepcion weather in January.
September typically showcases a wider temperature range with a minimum of 2°C (35°F) and a maximum of 28°C (83°F), averaging around 10°C (51°F). This month experiences more rainfall, with about 65 mm (2.6 in) of precipitation over approximately 7 days, coupled with higher humidity at 79%. In contrast, February enjoys milder conditions, with minimum temperatures of 9°C (48°F) and a maximum of 32°C (89°F), leading to a pleasant average of 18°C (64°F). Additionally, February sees significantly less rainfall, receiving only 7 mm (0.3 in) over just 1 day, and lower humidity levels at 67%. For more detailed insights into February weather, you can check out Concepcion weather in February.
In September, the weather is characterized by a wider temperature range, with minimums of 2°C (35°F) and maximums reaching 28°C (83°F), averaging around 10°C (51°F). The month experiences relatively high humidity at 79% and sees 65 mm (2.6 in) of precipitation over about seven days. In contrast, March features milder temperatures, starting at a minimum of 6°C (44°F) and peaking at 31°C (88°F), with an average temperature of 16°C (61°F). This month is drier with only 19 mm (0.8 in) of rainfall over approximately three days and a slightly lower humidity level of 70%. For more detailed information, check out Concepcion weather in March.
When comparing the weather in September and April, both months experience similar maximum temperatures, reaching around 28°C (84°F). However, September tends to be cooler overall, with average temperatures at 10°C (51°F) and minimums of 2°C (35°F), while April has slightly milder conditions with an average of 13°C (56°F) and minimums of 4°C (39°F). Additionally, September is wetter, receiving 65 mm (2.6 in) of precipitation over about 7 days, compared to April's 36 mm (1.4 in) of rain over just 4 days. Both months maintain high humidity levels, but September's is slightly higher at 79% compared to April's 74%. For more detailed information, you can check Concepcion weather in April.
September and May present distinct weather characteristics. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 28°C (83°F), with an average of 10°C (51°F), while May experiences cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 21°C (71°F), averaging 11°C (52°F). Precipitation is notably higher in May, accumulating to 107 mm (4.2 in) over 8 days, compared to September's 65 mm (2.6 in) over 7 days. Both months experience high humidity, with May slightly higher at 83% compared to September's 79%. For more detailed insights on May weather, you can check Concepcion weather in May.
When comparing the weather in September and June, notable differences emerge. September typically experiences a more varied temperature range, with minimums reaching 2°C (35°F) and maximums climbing to 28°C (83°F), while the average temperature hovers around 10°C (51°F). In contrast, June has cooler temperatures, with minimums dropping to -2°C (29°F) and a maximum of only 18°C (64°F), resulting in an average of 9°C (49°F).
Further, September sees less precipitation, with about 65 mm (2.6 in) over 7 days, whereas June is significantly wetter, accumulating around 188 mm (7.4 in) across 12 days. Humidity levels are relatively high in both months, but slightly higher in June at 85% compared to September's 79%. For a detailed look at the weather conditions during June, you can visit Concepcion weather in June.
In comparing the weather between September and July, September presents a wider range of temperatures, with a minimum of 2°C (35°F) and a maximum reaching up to 28°C (83°F), while July's temperatures are cooler, ranging from a minimum of 0°C (32°F) to a maximum of only 17°C (64°F). Additionally, September experiences less precipitation, totaling 65 mm (2.6 in) over 7 days, compared to July's 104 mm (4.1 in) of rainfall over 11 days. The humidity levels are also slightly lower in September at 79%, compared to the higher 86% humidity recorded in July. For a more detailed look at July weather, you can check Concepcion weather in July.
September's weather shows a marked increase in temperature compared to August, with minimums rising from 0°C (32°F) to 2°C (35°F) and maximums soaring to 28°C (83°F) from August's 20°C (69°F). The average temperature also climbs slightly, reaching 10°C (51°F) in September compared to 9°C (49°F) in August. However, September experiences less precipitation overall, with 65 mm (2.6 in) of rain over 7 days, compared to August's 106 mm (4.2 in) over 11 days. Humidity levels remain relatively high but drop slightly from 85% in August to 79% in September. For more detailed information, visit Concepcion weather in August.
In September, the weather experiences a broader temperature range with a minimum of 2°C (35°F), an average of 10°C (51°F), and a maximum of 28°C (83°F), while October sees a slight increase in average temperatures, reaching a minimum of 2°C (36°F), an average of 12°C (54°F), and a maximum of 24°C (76°F). Precipitation is more abundant in September, totaling 65 mm (2.6 in) over 7 days, compared to October's 41 mm (1.6 in), which also falls over the same number of days. Additionally, humidity levels are marginally lower in October at 76%, compared to September's 79%. For more detailed information on the weather during this month, visit Concepcion weather in October.
September and November exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 28°C (83°F), with an average temperature of 10°C (51°F). This month experiences around 65 mm (2.6 in) of precipitation over 7 days, contributing to a higher humidity level of 79%. In contrast, November brings milder temperatures, with a minimum of 6°C (43°F), an average of 15°C (59°F), and a maximum of 30°C (86°F). Additionally, precipitation drops significantly to 20 mm (0.8 in), occurring only over 3 days, and humidity decreases to 72%. For more detailed information, you can check out Concepcion weather in November.
In September, the weather tends to be cooler, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 28°C (83°F), and an average of 10°C (51°F). This month also experiences relatively high humidity at 79% and more frequent rainfall, totaling 65 mm (2.6 inches) over about 7 days. In contrast, December offers warmer conditions with a minimum of 8°C (46°F) and a maximum of 32°C (90°F), averaging 17°C (62°F). The precipitation drastically decreases to just 6 mm (0.2 inches), falling on only 1 day, and humidity levels drop to 67%. For more detailed information on December's climate, you can visit Concepcion weather in December.
As September unfolds in Concepción, the city experiences a refreshing transition from winter to spring, marked by mild temperatures and increasing humidity. This month stands out with average temperatures reaching a comfortable 10°C amid occasional peaks of warmth, offering a pleasant escape from the cooler preceding months. While the rainfall is relatively modest with about 65 mm spread over a week, the vibrant atmosphere signals nature's awakening. This shift contributes to a notable increase in humidity, creating a unique and invigorating experience for both residents and visitors alike. For a detailed look at how this month fits into the broader climate patterns, visit Concepcion Climate.