Last updated: August 21, 2025
In September, San Miguel de Tucumán experiences a delightful transition into spring, characterized by a maximum temperature reaching up to 35°C (95°F), while the average settles around a pleasant 17°C (63°F). Nights can be cool, dipping to a minimum of 2°C (36°F). The month witnesses 57 mm (2.3 in) of precipitation over approximately 7 days, contributing to an overall humidity level of 58%. This combination of warm days and cooler nights, coupled with occasional rain, fosters a vibrant atmosphere ideal for outdoor activities and exploration.
In September, San Miguel de Tucumán begins to transition from the cooler winter months into a warmer spring. With minimum temperatures hovering around 2°C (36°F), the city starts to shake off the chill, while average daily temperatures gently rise to 17°C (63°F), offering pleasant afternoons. The mercury peaks at a balmy 35°C (95°F), showcasing the region's ability to deliver warmth even early in the spring season. As the month progresses, the contrast between the cooler nights and the increasingly hot days becomes pronounced, setting the stage for the vibrant and lively months ahead. Overall, September serves as a delightful bridge, hinting at the warmth of summer while still holding onto the remnants of winter's cool embrace.
In September, San Miguel de Tucumán experiences a notable increase in precipitation following the drier winter months. With 57 mm (2.3 in) of rain spread over about 7 days, this transition signals the arrival of spring and a resurgence of moisture in the air. This month typically serves as a bridge to the wetter periods ahead, as rainfall begins to climb from the minimal 17 mm (0.7 in) of August. As summer approaches, we can expect even more substantial precipitation, underscoring the region’s cyclical weather patterns that highlight the shift from cool, dry days to the lush, vibrant growth that spring brings.
September in San Miguel de Tucumán marks a noteworthy transition in humidity, with levels rising to 58% after the dry spell of August. This increase signifies the gradual shift from the drier winter months, where humidity plummeted to 44% in August, to a more humid atmosphere that paves the way for the approaching spring. Interestingly, September's humidity is still significantly lower than the peak levels experienced earlier in the year, particularly in April, when it reached 85%. As the seasons evolve, residents can expect a gentle uptick in moisture that enriches the environment, aligning beautifully with the blossoming landscapes of spring.
In September, San Miguel de Tucumán experiences a UV Index of 10, categorizing it as very high with a burn time of just 15 minutes. As the region transitions from winter to spring, this rise in UV intensity follows a pattern noted since April, where exposure levels have remained significantly high. Notably, September’s UV Index mirrors that of April, suggesting that outdoor enthusiasts should remain vigilant while enjoying the beautiful weather. As the months progress towards the extreme values seen in January and November, it's clear that sun protection measures are paramount. For more detailed information, visit the San Miguel de Tucuman UV Index.
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September shines brightly in San Miguel de Tucumán, boasting 277 hours of glorious sunshine, just a smidge below the vibrant August peak of 301 hours. As the city transitions into spring, the warmth begins to envelop the landscape, showcasing a steady pattern of increasing daylight from the cooler months of May and April. This boost in sunshine signals a delightful shift, inviting residents and visitors alike to bask in the radiant warmth and embrace outdoor adventures before the sun-drenched days of October usher in even more light. The overall trend reveals a warm embrace of longer days, setting the stage for an enlivening and inviting atmosphere as the year progresses.
In San Miguel de Tucumán, September emerges as a transition month, showcasing a 67% chance of sunny weather. This figure places it comfortably above the monthly averages seen earlier in the year, particularly when compared to the more overcast months of March (37%) and April (42%). Interestingly, September’s sunny prospects follow the remarkable heights of August, which boasts a striking 94% sunshine likelihood. As the region approaches the warmth of spring, the consistency of sunshine begins to brighten the skies, trailing just slightly behind the sunniest months of June and July. As such, visitors can expect a delightful blend of warmth and sun as the days begin to lengthen and brighten in anticipation of spring.
As September arrives in San Miguel de Tucumán, the city's daylight duration settles at a cozy 11 hours, marking a transition towards the longer, sunnier days of spring. This month mirrors both August and April, showcasing a balance in daylight as the region begins to shake off the cooler months. Following the gradual decrease from the 13 hours of light enjoyed in January and November to this steady 11-hour mark, September sets the stage for the upcoming increase in daylight. As October approaches, residents can look forward to a rejuvenating surge of sunlight, which will soon rise again to 12 hours, brightening their days ahead.
As September arrives in San Miguel de Tucumán, Argentina, the gentle breeze picks up, with average wind speeds reaching 1.7 m/s (4 mph). This marks a continuation of a subtle upward trend from the preceding months, where the winds gradually intensified from 1.5 m/s (3 mph) in January and maintained a steady flow through the late winter. September, with its refreshing gusts, hints at the approaching changes of spring, aligning with the wind patterns that tend to invigorate the air before the heights of summer. This slight increase not only enhances the pleasant climate but also sets the stage for a vibrant natural world awakening, making it an enchanting time to experience the region.
Weather in San Miguel de Tucuman varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Miguel de Tucuman, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present notably different weather patterns. September experiences a more moderate climate, with temperatures ranging from a chilly minimum of 2°C (36°F) to a warm maximum of 35°C (95°F), averaging around 17°C (63°F). In contrast, January is significantly warmer, with minimum temperatures starting at 12°C (54°F) and peaking at 37°C (99°F), averaging 23°C (75°F). Additionally, January sees far more precipitation, with 232 mm (9.1 in) spread over 16 days, compared to September's 57 mm (2.3 in) over just 7 days. Humidity levels are also higher in January at 79%, compared to 58% in September. For more details, you can check San Miguel de Tucuman weather in January.
Comparing the weather in September and February reveals distinct differences in temperature and precipitation. September experiences a broader temperature range, with minimums around 2°C (36°F) and maximums peaking at 35°C (95°F), while February maintains a milder climate, with minimums of 12°C (54°F) and highs reaching 34°C (94°F). Additionally, February is notably wetter, receiving 278 mm (11.0 in) of rainfall over 15 days, compared to September's 57 mm (2.3 in) of rain across 7 days. The humidity also increases in February, averaging 81%, compared to 58% in September. For more detailed insights, check out San Miguel de Tucuman weather in February.
September and March present notable differences in weather conditions. September has a wider range of temperatures, with minimums dropping to 2°C (36°F) and maximums reaching up to 35°C (95°F), while March tends to be milder, with temperatures ranging from 8°C (48°F) to a maximum of 33°C (91°F). In terms of precipitation, September experiences relatively low rainfall at 57 mm (2.3 in) over about 7 days, whereas March is significantly wetter, with 219 mm (8.6 in) falling across 17 rainy days. Additionally, March has higher humidity at 83%, compared to September's 58%, creating a noticeably more humid atmosphere during the former month. For further details, you can visit San Miguel de Tucuman weather in March.
When comparing the weather in September and April, notable differences emerge. September offers a wider temperature range with minimums dropping to around 2°C (36°F) and maximums peaking at 35°C (95°F), while averaging 17°C (63°F). In contrast, April features milder temperatures, with minimums at 7°C (44°F) and maximums reaching 30°C (87°F), resulting in an average of 18°C (65°F). Precipitation also varies significantly between the two months; September experiences 57 mm (2.3 in) of rainfall over 7 days, whereas April sees substantially higher rainfall at 184 mm (7.3 in) across 16 days. Additionally, April exhibits higher humidity at 85%, compared to September's 58%. For more details on April's weather, visit San Miguel de Tucuman weather in April.
In comparing the weather between September and May, we see distinct differences. September tends to be warmer, boasting an average temperature of 17°C (63°F) with maximums reaching up to 35°C (95°F), while May's average temperature is cooler at 14°C (58°F) and peaks at 27°C (81°F). Precipitation is noticeably higher in May, with a total of 125 mm (4.9 in) over 12 days, compared to September's 57 mm (2.3 in) over just 7 days. Additionally, May experiences higher humidity levels at 75%, compared to September's 58%. For more detailed insights, you can check San Miguel de Tucuman weather in May.
In comparing the weather of June and September, a noticeable difference in temperatures is evident. September offers a broader range, with minimum temperatures reaching 2°C (36°F) and maximums soaring to 35°C (95°F), resulting in a more comfortable average of 17°C (63°F). In contrast, June's temperatures are cooler, with a minimum of -2°C (29°F) and a maximum of 26°C (79°F), leading to a lower average of 11°C (53°F). Precipitation levels are fairly similar, with September receiving 57 mm (2.3 in) over 7 days and June slightly less at 52 mm (2.0 in) over 8 days. Humidity in June is slightly higher at 62%, compared to September's 58%. For a more detailed look at June weather, you can explore San Miguel de Tucuman weather in June.
In comparing the weather between September and July, September showcases a wider temperature range with minimums reaching 2°C (36°F) and maximums soaring to 35°C (95°F), while July experiences cooler temperatures with a minimum of -1°C (30°F) and a maximum of 27°C (82°F). September also sees a higher average temperature of 17°C (63°F) compared to July's average of 11°C (52°F). Precipitation is more frequent in September, totaling 57 mm (2.3 in) over 7 days, whereas July only sees 27 mm (1.1 in) over 6 days. Despite this, July has slightly lower humidity at 53%, compared to September's 58%. For a detailed look at July's weather patterns, visit San Miguel de Tucuman weather in July.
September weather shows a notable shift compared to August, with average temperatures increasing from 14°C (57°F) in August to a higher average of 17°C (63°F). The minimum temperature in September is also slightly warmer at 2°C (36°F) compared to 0°C (32°F) in August. Additionally, September experiences more precipitation, totaling 57 mm (2.3 in) over 7 days, whereas August records only 17 mm (0.7 in) over just 3 days. Furthermore, humidity rises in September to 58%, contrasting with August's lower level of 44%. For more details, you can check San Miguel de Tucuman weather in August.
September and October in San Miguel de Tucuman showcase a transition in weather patterns. September experiences a wider temperature range with a minimum of 2°C (36°F) and a maximum of 35°C (95°F), while October starts warmer with a minimum of 6°C (43°F) and peaks at 38°C (100°F). The average temperature rises from 17°C (63°F) in September to 19°C (67°F) in October. However, October is notably wetter, with precipitation increasing to 116 mm (4.6 in) over 12 days compared to September's 57 mm (2.3 in) over 7 days. Despite having a slightly lower humidity of 54% in October compared to 58% in September, it is essential to prepare for the increased likelihood of rain. For more detailed information, check out San Miguel de Tucuman weather in October.
September and November in San Miguel de Tucumán show a notable shift in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 35°C (95°F), with an average of 17°C (63°F). The month sees about 57 mm (2.3 in) of precipitation over 7 days and a humidity level of 58%. In contrast, November experiences warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 37°C (100°F), averaging 22°C (71°F). The increase in humidity to 66% and higher precipitation of 178 mm (7.0 in) over 12 days indicate a more humid and wetter month overall. For more detailed information, check out San Miguel de Tucuman weather in November.
September and December present distinct differences in weather conditions. September features a wider temperature range, with minimums of 2°C (36°F) and maximums reaching 35°C (95°F), giving an average temperature of 17°C (63°F). In contrast, December has a milder minimum temperature of 12°C (54°F) and higher maximums of 38°C (100°F), resulting in an average of 23°C (73°F). Additionally, December sees significantly more precipitation, accumulating 193 mm (7.6 in) over 17 days compared to September's 57 mm (2.3 in) over just 7 days, leading to higher humidity levels of 74% in December versus 58% in September. For a more detailed perspective on December weather, you can check San Miguel de Tucuman weather in December.
As September ushers in a transitional phase in San Miguel de Tucumán, temperatures begin to showcase a wider range, moving from the cooler feels of winter to the warmth of spring. The city experiences warm days peaking around the mid-30s Celsius, while nights still present a chill, reminding us of the tail end of the cold season. With an average humidity of about 58% and a fair amount of precipitation, September stands out with its unique weather patterns compared to the hotter driest months ahead. For a deeper dive into the nuances of weather throughout the year, visit San Miguel de Tucuman Climate.