Last updated: August 21, 2025
In September, San Clemente del Tuyu, Argentina, experiences a mild climate characterized by a maximum temperature of 18°C (65°F) and an average temperature around 13°C (55°F). The month sees a minimum temperature dipping to 5°C (41°F), offering a refreshing chill. Rainfall is a notable feature, with a total precipitation of 82 mm (3.2 in) across 7 days, contributing to an humidity level of 81% that blankets the area. This combination of moderate temperatures and occasional showers creates an inviting atmosphere for visitors and locals alike.
As September unfolds in San Clemente del Tuyu, temperatures gradually transition from the chill of winter into the warmth of spring. With minimums averaging around 5°C (41°F) and maximums peaking at 18°C (65°F), the climate feels refreshingly mild, perfect for enjoying outdoor activities. The average temperature of 13°C (55°F) signifies a gentle rise, preparing the landscape for blossoming flora. This month marks a notable shift, hinting at the impending warmth of October, where the temperatures further increase, bridging the cooler winter months to the vibrant spring. The coastal charm of San Clemente del Tuyu begins to awaken, inviting both locals and visitors to bask in its rejuvenating atmosphere.
In September, San Clemente del Tuyu experiences a moderate precipitation level of 82 mm (3.2 in), spread across 7 days of rain. This amount reflects a slight decrease from the wet season's peak in April, yet it underscores a consistent trend of substantial rainfall as the region transitions from winter to spring. The early spring humidity sets the stage for vibrant foliage, contributing to the area's lush landscapes. As the rainy season begins to taper off, September maintains a balance, preparing the environment for drier days ahead in October with its anticipated 58 mm (2.3 in) of precipitation. This pattern not only highlights the seasonal shifts but also marks the start of a new chapter in the climate narrative of San Clemente del Tuyu.
As September arrives in San Clemente del Tuyu, Argentina, the coastal town experiences a notable increase in humidity, peaking at 81%. This rise marks a shift from the relatively lower levels observed over the summer months, where humidity dipped to 74% in July and subsequently fluctuated between 74% and 78% from August onward. The trend suggests a gradual build-up of moisture in the air, setting the stage for the more humid conditions that typically characterize the coming spring months. Observing these fluctuations highlights how September transitions the region from the dry warmth of winter to a more humid atmosphere, enriching the coastal experience for residents and visitors alike.
In September, San Clemente del Tuyu experiences a UV Index of 7, placing it in the high exposure category, where the recommended burn time is 25 minutes. This marks a transition from the milder conditions of winter, where the UV Index hovers around 3, to the more intense spring months ahead. As temperatures rise, awareness about sun safety becomes increasingly important, especially with the UV Index climbing back to much higher levels in October. It's a pivotal time to enjoy the outdoors while staying protected. For more details on UV levels throughout the year, check out San Clemente del Tuyu UV Index.
UV Risk Categories
September in San Clemente del Tuyu brings a delightful 266 hours of sunshine, marking a transition to spring as the days grow longer and warmer. After a generally cool winter, where June and July experienced their lowest sunlight at around 206 hours, the increase in sunshine is a welcome change. This uptick hints at the vibrant summer ahead, which sees an impressive peak in sunlight with 381 hours in December. Interestingly, September's sunshine is notably higher than the preceding months, such as May and June, which averaged around 230 hours each. As the town shakes off the winter chill, the gradual climb in daylight hours is a promise of brighter days and a lively spring season, perfectly suited for outdoor adventures and beach outings.
In San Clemente del Tuyu, Argentina, September sees a 42% chance of sunny weather, making it one of the cloudier months of the year. As winter transitions to spring, the likelihood of sunshine hovers slightly lower than the preceding months, including the peak summer days in January and February where chances soar above 50%. This trend reflects an overall pattern where sunny days begin to increase in October, returning to a more favorable 64% probability. Thus, while September may not boast the sunniest skies, it sets the stage for brighter days ahead as spring unfolds.
As September unfolds in San Clemente del Tuyu, the return of longer days is palpable, with 11 hours of daylight illuminating the beautiful coastal landscape. This marks a noticeable increase from the preceding winter months, reflecting the gradual transition towards spring. Following the peak of summer in January with its 14 hours of sunshine, the daylight duration ebbs slightly during the cooler months of May and June before beginning its ascent again. By the time October arrives, residents can revel in an impressive 13 hours of daylight, signaling the approaching warmth and vibrant natural beauty that the region is known for. This rhythmic cycle highlights the unique and captivating daylight patterns that characterize life in this charming Argentinian locale.
As September rolls in, San Clemente del Tuyu experiences a refreshing surge in wind with an average speed of 7.0 m/s (16 mph), making it one of the breeziest months of the year. This uptick in wind aligns with the seasonal shift, transitioning from the milder breezes of late winter and early spring. Notably, September matches May's average, highlighting a consistent pattern in wind dynamics as the region prepares for the spring warmth. Following this trend, November is poised to be even more invigorating with an average wind speed of 7.4 m/s (17 mph), creating an ideal backdrop for outdoor activities along the stunning coastline. Overall, the September winds serve as a delightful precursor to the vibrant spring, inviting both locals and visitors to enjoy the refreshing coastal ambiance.
Weather in San Clemente del Tuyu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Clemente del Tuyu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is cooler with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 18°C (65°F), averaging at 13°C (55°F). This month also experiences higher humidity at 81% and more precipitation, totaling 82 mm (3.2 in) over about 7 days. In contrast, January offers much warmer temperatures, with a minimum of 15°C (60°F) and a maximum of 29°C (84°F), averaging around 22°C (72°F). The humidity remains lower at 74%, and there’s less rainfall, with 64 mm (2.5 in) occurring over 6 days. For more details on what to expect, check out San Clemente del Tuyu weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a chilly minimum of 5°C (41°F) to a mild maximum of 18°C (65°F), with an average temperature of 13°C (55°F). This month typically experiences higher levels of precipitation at 82 mm (3.2 in), spread over about 7 days, alongside considerable humidity at 81%. In contrast, February offers a warmer climate, with temperatures ranging from a comfortable minimum of 13°C (56°F) to a maximum of 27°C (82°F) and an average of 22°C (71°F). Precipitation is slightly lower at 67 mm (2.6 in), also over 7 days, and humidity levels are slightly reduced at 78%. For more details on February weather specifically, visit San Clemente del Tuyu weather in February.
When comparing the weather in September and March, it’s clear that March tends to be significantly warmer. September features a temperature range from a chilly 5°C (41°F) to a mild 18°C (65°F), while March experiences much warmer conditions, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 28°C (82°F). Both months have relatively high levels of precipitation, with September receiving 82 mm (3.2 in) over about 7 days and March slightly wetter at 89 mm (3.5 in) spread across 9 days. Additionally, September has higher humidity at 81%, compared to 78% in March, contributing to a different overall feel in the air. For more detailed information about March weather in a specific location, you can check San Clemente del Tuyu weather in March.
When comparing the weather in September and April, several notable differences emerge. September generally presents cooler temperatures, with an average of 13°C (55°F), while April enjoys a milder average of 19°C (66°F). The minimum temperatures in September start at 5°C (41°F), compared to a warmer minimum of 9°C (48°F) in April. Precipitation levels are relatively similar, with September receiving 82 mm (3.2 in) over 7 days, whereas April sees slightly higher precipitation at 93 mm (3.7 in) over 9 days. Interestingly, humidity levels are quite similar, at 81% in September and 79% in April. For those interested in exploring more about the April climate, you can find additional details in this link: San Clemente del Tuyu weather in April.
In comparing the weather between September and May, we observe that September is generally cooler, with average temperatures ranging from 5°C (41°F) to a maximum of 18°C (65°F), while May experiences slightly warmer temperatures, with minimums around 7°C (44°F) and maximums reaching 21°C (70°F). Additionally, September is characterized by higher precipitation levels, totaling 82 mm (3.2 in) over 7 days, compared to May's 68 mm (2.7 in) for the same number of days. Humidity remains fairly similar in both months, with September at 81% and May at 79%. For a closer look at the weather specifics in May, you can visit San Clemente del Tuyu weather in May.
When comparing the weather in September and June, both months exhibit cool temperatures with subtle differences. September offers a slightly broader temperature range, with minimums of 5°C and maximums reaching up to 18°C, while June has a minimum of 4°C and peaks at 17°C. Precipitation levels are quite similar, with September receiving 82 mm over 7 days, compared to June's 79 mm over 9 days. Humidity is slightly higher in September at 81%, compared to June's 78%. For a more detailed look at June weather in this region, you can check San Clemente del Tuyu weather in June.
In comparing the weather of September and July, September tends to be slightly warmer with average temperatures reaching up to 13°C (55°F) compared to July's average of 10°C (51°F). Both months experience similar minimum temperatures of 5°C (41°F), but September boasts a higher maximum of 18°C (65°F). While July has a slightly lower precipitation level at 86 mm (3.4 in) over 8 days compared to September's 82 mm (3.2 in) over 7 days, the humidity in September is notably higher at 81%, compared to July's 74%. For more detailed information on July weather, you can visit San Clemente del Tuyu weather in July.
When comparing the weather of September to August, September showcases a slight increase in temperature, with average highs reaching 18°C (65°F) compared to August’s maximum of 16°C (62°F). The minimum temperatures are also marginally higher in September, averaging 5°C (41°F) against August’s 4°C (40°F). Rainfall is more frequent in September, accumulating to 82 mm (3.2 in) over 7 days, whereas August experiences less precipitation at 73 mm (2.9 in) over 6 days. Additionally, humidity levels rise slightly in September, averaging 81% compared to 77% in August. For a detailed look into August weather specifically, visit San Clemente del Tuyu weather in August.
September and October exhibit noticeable weather variations. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 18°C (65°F), with an average of 13°C (55°F). The month receives 82 mm (3.2 in) of precipitation over about 7 days, coupled with high humidity at 81%. In contrast, October sees slightly warmer conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 21°C (71°F), averaging 15°C (59°F). Precipitation decreases to 58 mm (2.3 in) over 8 days, and humidity levels are lower at 77%. For more details, check San Clemente del Tuyu weather in October.
September is characterized by cooler temperatures, with a minimum of 5°C (41°F) and an average of 13°C (55°F), while November experiences significantly warmer weather, featuring a minimum of 11°C (51°F) and an average of 18°C (64°F). In September, there is a higher level of precipitation at 82 mm (3.2 in) over 7 rainy days, compared to November, which sees only 61 mm (2.4 in) over 8 days. Additionally, the humidity in September is slightly higher at 81%, compared to November's 76%. For more details on November weather specifics, check out San Clemente del Tuyu weather in November.
In September, the weather is cooler, with minimum temperatures around 5°C (41°F) and average highs reaching 18°C (65°F), while December brings notably warmer conditions, featuring minimums of 12°C (54°F) and maximums soaring to 26°C (80°F). Precipitation levels in September are slightly higher at 82 mm (3.2 in), occurring over 7 days, compared to December's 74 mm (2.9 in) also spread across 7 days. Additionally, September experiences higher humidity at 81%, whereas December's humidity drops to 74%, making for a more comfortable feel. For more details about the December weather, you can check this link: San Clemente del Tuyu weather in December.
As September ushers in the transition to spring, San Clemente del Tuyu experiences a notable shift in weather compared to the more extreme conditions of winter. With maximum temperatures reaching a pleasant 18°C (65°F), the air feels fresh yet inviting, while cooler nights remind us of the lingering chill. This month sees an increase in precipitation, with light rain falling on about seven days, contributing to a higher humidity level of 81%. Whether you're enjoying the revitalizing atmosphere or planning outdoor activities, the mild September weather offers a refreshing break from the colder months. For more information on what to expect year-round, check out San Clemente del Tuyu Climate.