Last updated: August 21, 2025
September in Vina del Mar, Chile offers a delightful transition into spring, with temperatures ranging from a crisp 6°C (43°F) at night to a balmy 23°C (73°F) during the day. The average temperature sits comfortably at 12°C (54°F), providing a pleasant atmosphere for outdoor adventures. Rainfall is minimal, with just 12 mm (0.5 in) of precipitation over only one day, ensuring plenty of sunshine and ideal conditions for exploring the stunning coastal scenery. The humidity level is a moderate 56%, contributing to the refreshing coastal breeze that characterizes this charming destination.
September in Vina del Mar, Chile, marks a gentle transition as the region shifts from winter’s chill to the warmth of spring. With minimum temperatures averaging around 6°C (43°F) and maximums reaching up to 23°C (73°F), the pleasant average of 12°C (54°F) invites outdoor exploration and seaside strolls. Notably, September's weather gradually warms compared to the preceding months, reflecting a clear upward trend from the cooler winter temperatures of July and August. This month serves as a comfortable window for visitors seeking milder days, perfect for enjoying Vina del Mar’s stunning coastline and vibrant local culture as nature begins to bloom anew.
In September, Vina del Mar experiences a gentle transition into spring, marked by 12 mm (0.5 in) of precipitation over a single day. While this amount is modest compared to the rainier winter months, it still contributes to the region's lush landscapes. Previous months like June and May showcase more substantial rainfall, with 93 mm (3.7 in) and 41 mm (1.6 in) respectively, highlighting a peak in wet season activity. As the year progresses, the trend of decreased precipitation continues, with October expected to bring in slightly less with 11 mm (0.4 in). Overall, September serves as a subtle reminder of the shifting seasons, providing just enough moisture to nurture the blooming environment while anticipating the drier months ahead.
In Vina del Mar, Chile, September brings a notable shift in humidity levels as the summer months draw to a close. After experiencing the peak humidity of 75% in July, the air begins to dry slightly, settling at a moderate 56%. This reflects a common trend, where humidity levels gradually rise from 41% in January and February to a peak in mid-winter, before descending again as spring approaches. As October follows, humidity rises to 61%, hinting at a return to wetter conditions. Overall, September serves as a transitional month, balancing the lingering warmth of winter with the promise of drier, crisper days ahead.
In September, Vina del Mar, Chile, experiences a UV Index of 8, categorizing it as very high with a burn time of just 15 minutes. This marks a transition from the moderate levels of previous months, indicating that visitors should be increasingly vigilant about sun protection as spring approaches. Compared to the extremes seen in the peak summer months, September’s UV levels begin to rise, signaling a shift towards more intense sun exposure. For those planning outdoor activities, it’s crucial to stay protected; always check the latest conditions and strategies for sun safety by visiting Vina del Mar UV Index.
UV Risk Categories
As the seasons transition in Vina del Mar, September shines brightly with an impressive 315 hours of sunshine, making it a delightful time for both locals and visitors. Following the winter months, which saw a dip in sun exposure, September's light signals a gradual return to warmer days. The notable increase from the previous months not only sets the stage for the vibrant spring bloom but also captures the allure of the upcoming summer. This trend continues into October, where sunshine soars to 363 hours, nurturing the hope of longer, sun-filled days ahead. Vina del Mar’s September warmth invites everyone to revel in the beauty of its coastal charm and the promise of brighter days to come.
As summer transitions to autumn, Vina del Mar enjoys a pleasant 69% chance of sunny weather in September, making it a delightful time to visit. This percentage reflects a notable consistency, as sunny days in September align closely with the preceding months of February and March, which boast 69% and 72% chances, respectively. While the sunny likelihood dips in the cooler months of winter, it's reassuring to see September maintaining a favorable position, especially as the region gears up for the brighter days of October, which soars to an impressive 80%. Thus, for those seeking a sunny escape, September offers a charming window of opportunity before the surge of late spring sunshine takes full effect.
As September unfolds in Vina del Mar, Chile, the city experiences a remarkable transition in daylight, gaining an additional hour of sunshine compared to the winter months. With 11 hours of light, this month marks the beginning of a gradual increase that will continue into October, echoing the patterns of spring. Following the earlier months where daylight dipped to 9 hours in June, September signals a gentle warming trend, as days grow longer and brighter, setting the stage for the lively energy that characterizes the southern hemisphere's shift towards summer. This progression from shorter, dimmer days to increasingly luminous hours reflects the region’s dynamic seasonal changes, invigorating both residents and visitors alike.
As September arrives in Vina del Mar, Chile, the winds begin to pick up, reaching an average speed of 3.7 m/s (8 mph). This marks a notable increase compared to the more tranquil months of winter, where winds hovered around 2.9 - 3.2 m/s from June to August. Following the gentle breezes of early spring, September sets the stage for a transition, with gusty winds that hint at the change of seasons. Looking ahead, October maintains this upward momentum, peaking at 3.9 m/s (9 mph), suggesting that Vina del Mar is embracing a breezier spring. This gradual rise in wind speed not only invigorates the atmosphere but also invites outdoor activities, making it an ideal time for both locals and visitors to enjoy the delightful coastal scenery.
Weather in Vina del Mar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Vina del Mar, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is cooler with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 23°C (73°F), averaging around 12°C (54°F). This month experiences a modest amount of precipitation, with about 12 mm (0.5 in) falling on just one day, and the humidity is relatively higher at 56%. In contrast, January is warmer, boasting temperatures that start at a minimum of 10°C (51°F) and can reach up to 26°C (78°F), with an average of 17°C (63°F). Notably, January has much less precipitation, totaling only 5 mm (0.2 in) and no rainy days, while the humidity drops to 41%. For more details on January weather in Vina del Mar, you can check this link: Vina del Mar weather in January.
In comparing the weather of September and February, notable differences emerge in temperature and humidity. September tends to be cooler, with minimum temperatures around 6°C (43°F) and an average of 12°C (54°F), while February enjoys milder conditions with a minimum of 12°C (53°F) and an average of 17°C (63°F). Additionally, February is generally drier, experiencing less precipitation (5 mm or 0.2 in) and no rainy days compared to September's 12 mm (0.5 in) spread over a single day. The humidity levels also reflect this shift; September sees a humidity of 56%, whereas February's humidity drops to a comfortable 41%. For more insights, you can check out Vina del Mar weather in February.
September and March present some notable differences in weather conditions. In September, the temperatures range from a cooler minimum of 6°C (43°F) to a maximum of 23°C (73°F), with an average of 12°C (54°F). This month also experiences about 12 mm (0.5 in) of precipitation spread over just one day, coupled with a humidity level of 56%. In contrast, March tends to be warmer, with temperatures starting at a minimum of 9°C (48°F) and peaking at 24°C (75°F), averaging 16°C (61°F). This month is typically drier, with only 3 mm (0.1 in) of rain and no rainy days, while humidity drops to 46%. For more detailed information, check out Vina del Mar weather in March.
When comparing the weather in September to that of April, we notice some distinct differences. September generally experiences cooler temperatures, with a minimum of 6°C (43°F) and an average around 12°C (54°F), while April starts off slightly warmer, with minimum temperatures of 8°C (46°F) and an average of 14°C (58°F). In terms of maximum temperatures, September reaches up to 23°C (73°F), whereas April sees a peak of 21°C (71°F). Both months have similar precipitation levels with September receiving about 12 mm (0.5 in) of rain and April slightly less at 8 mm (0.3 in), though they both have only one rainy day on average. Additionally, humidity levels remain comparable, with September at 56% and April lower at 52%. For a more detailed look at April weather, you can visit Vina del Mar weather in April.
When comparing the weather in September to that of May, we notice some interesting similarities and differences. Both months feature a maximum temperature of around 23°C (73°F), but September tends to have slightly warmer average temperatures at 12°C (54°F) compared to May's average of 13°C (55°F), albeit with slightly cooler minimums. Precipitation levels also vary significantly; September experiences minimal rainfall with only 12 mm (0.5 in) over just one day, while May sees a considerably higher total of 41 mm (1.6 in) spread across three days, contributing to increased humidity at 64% compared to September's 56%. For a detailed look at May weather in Vina del Mar, you can visit Vina del Mar weather in May.
When comparing the weather in September and June, September tends to be warmer with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 23°C (73°F), while June's temperatures are slightly cooler, with a minimum of 4°C (39°F) and a maximum of 20°C (68°F). Additionally, September experiences less precipitation, averaging only 12 mm (0.5 in) over just one day, contrasting sharply with June's heavier rainfall of 93 mm (3.7 in) spread over seven days. The humidity levels also differ, with September at 56% compared to June's higher humidity of 71%. For a more detailed look at June weather, you can visit Vina del Mar weather in June.
In comparing the weather of September and July, September generally offers milder temperatures, with a minimum of 6°C (43°F) and a maximum of 23°C (73°F), while July has slightly cooler averages ranging from 3°C (38°F) to 21°C (70°F). Furthermore, September experiences significantly less precipitation, with only 12 mm (0.5 in) over just one day, compared to July's 40 mm (1.6 in) over three days. The humidity levels also differ, as September has a moderate 56%, whereas July sees a higher humidity at 75%. For more detailed information about July’s weather, you can visit Vina del Mar weather in July.
In comparing the weather between September and August, September tends to be slightly warmer, with an average temperature of 12°C (54°F) compared to August's 11°C (52°F). September also boasts a higher maximum temperature of 23°C (73°F) against August's maximum of 22°C (71°F). Precipitation levels drop significantly in September, with only 12 mm (0.5 in) over just one day, while August experiences more rain, totaling 31 mm (1.2 in) across three days. Additionally, September's humidity is lower at 56%, compared to August's higher humidity of 73%. For more details on the weather patterns, you can visit Vina del Mar weather in August.
September and October weather show some similarities and subtle differences. Both months experience a comfortable temperature range, with September having a minimum of 6°C and October slightly cooler at 5°C. The average temperatures remain nearly the same, with September averaging 12°C and October at 13°C, while the maximum temperatures are quite comparable, peaking at 23°C in both months. Precipitation is minimal in both months, with September receiving 12 mm over one day and October slightly less at 11 mm, also over one day. However, October exhibits a slightly higher humidity level at 61%, compared to September's 56%. For more detailed insights on October weather, you can check out Vina del Mar weather in October.
In September, the weather features cooler temperatures with a minimum of 6°C (43°F) and an average of 12°C (54°F), peaking at a maximum of 23°C (73°F). The month sees a modest 12 mm (0.5 in) of precipitation over just one day, while humidity levels are at 56%. In contrast, November offers slightly warmer conditions with a minimum of 8°C (47°F) and an average temperature of 15°C (59°F), reaching a maximum of 24°C (75°F). Notably, November experiences significantly less precipitation, with only 3 mm (0.1 in) recorded over the entire month and no rain days, accompanied by lower humidity at 52%. For more details, you can visit Vina del Mar weather in November.
In September, the weather is characterized by cooler temperatures, with a minimum of 6°C (43°F) and an average of 12°C (54°F), peaking at a maximum of 23°C (73°F). The month sees light precipitation, totaling 12 mm (0.5 in) over about one day, and the humidity is a moderate 56%. In contrast, December offers a milder climate, with a minimum temperature of 10°C (50°F) and an average of 16°C (61°F), while still reaching highs of 23°C (74°F). This month experiences significantly less rainfall, with only 2 mm (0.1 in) and no rainy days, resulting in drier air with a humidity level of 39%. For those looking to learn more about Vina del Mar's weather specifics in December, Vina del Mar weather in December offers detailed insights.
As September unfolds in Vina del Mar, the coastal city begins to shake off the chill of winter, welcoming warmer days with average temperatures around 12°C (54°F) and delightful highs reaching up to 23°C (73°F). This month stands out with its notably low precipitation, averaging only 12 mm (0.5 in) over just a single day, making it one of the drier periods compared to the wetter months of winter. With a comfortable humidity level of 56%, the arrival of spring feels palpable, offering both locals and visitors a refreshing respite from the cooler, damp weather experienced earlier in the year. For a deeper understanding of what to expect throughout the seasons, check out Vina del Mar Climate.