Last updated: August 21, 2025
September in San Pedro de Jujuy, Argentina presents a striking contrast in temperatures, with highs reaching up to 42°C (108°F) and lows dipping to a brisk 3°C (38°F). The average temperature rests comfortably at 20°C (69°F), creating an inviting climate for visitors. This month experiences minimal rainfall, with only 7 mm (0.3 in) recorded over a single day, and a moderate humidity level of 53%. Whether you're exploring the vibrant landscapes or enjoying the local culture, September offers a dynamic weather experience in this picturesque region.
In September, San Pedro de Jujuy, Argentina, experiences a delightful transition as temperatures begin to warm up, with minimums around 3°C (38°F), an average of 20°C (69°F), and highs peaking at a scorching 42°C (108°F). This month marks a significant departure from the cooler winter months, as it sets the stage for the impending heat of October. The rise in average temperatures is evident, creating a vibrant atmosphere perfect for outdoor explorations. As the days lengthen and the sun shines brighter, September invites both locals and visitors to embrace the warmth, paving the way for a vibrant spring bloom. This dynamic weather not only enhances the natural beauty of the region but also promises a lively experience for all who venture here.
In September, San Pedro de Jujuy experiences a notable shift in precipitation patterns, with just 7 mm (0.3 in) of rainfall over a mere 1 day. This modest amount marks a significant decline from the wetter months earlier in the year, particularly January through April, when precipitation was more abundant and frequent. As the region transitions into the drier months of late winter and early spring, September's precipitation sets the stage for the drier weather ahead, which continues into August. The stark contrast in rainfall serves as a reminder of the seasonal cycles, highlighting the arid landscape that prevails as the year progresses towards the summer months.
In September, San Pedro de Jujuy experiences a notable shift in humidity as it settles at 53%, reflecting a slight increase from the dry conditions of August, which recorded just 45% humidity. This period marks the transition from the arid winter months, as humidity levels begin to rise again heading into spring. Throughout the year, humidity varies significantly, peaking in the cooler months of May and April at 88% and 85% respectively, while the mid-year months of July and August showcase the year's lowest figures. The progressive rise in humidity from the dry spell of August to September indicates a gradual return to the more humid and lush conditions typical of the upcoming seasons.
In September, San Pedro de Jujuy experiences a UV Index of 11, placing it firmly in the extreme exposure category. This means that sun protection is crucial, as the burn time is just 10 minutes. Interestingly, as we transition from winter to spring, the UV Index sees a notable increase, mirroring the trends of earlier months like April and the upcoming October. Just a couple of months earlier in July, the Index dipped to 7, marking a brief respite from the extreme levels that dominate most of the year. Overall, September serves as a reminder to stay vigilant against sun exposure as the UV intensity remains consistently high. For more details, check out San Pedro de Jujuy UV Index.
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In September, San Pedro de Jujuy enjoys 273 hours of sunshine, marking a delightful transition as days begin to grow warmer and linger longer. This month stands out as a vibrant continuation of the summer season, showcasing a significant dip from August's impressive 300 hours, yet still maintaining a robust amount of sunlight, outshining the earlier months like April and May. The general trend reveals a gradual increase in sunshine hours from the winter months of June and July, setting the stage for the brimming vitality of spring. As the sun shines brightly over this charming Argentine city, September invites both locals and visitors alike to soak in its natural beauty, heralding the approach of yet more radiant days ahead.
In San Pedro de Jujuy, Argentina, the likelihood of sunny weather in September stands at 59%, reflecting a transition from the sunnier months of August and July, which enjoy 83% and 75% chances of sunshine, respectively. This slight dip indicates that while September retains a favorable outlook for clear skies, it also signals the onset of the spring season, where weather patterns begin to evolve. Following a sunny August, September’s 59% chance suggests that residents and visitors can expect a blend of sunshine and occasional clouds, making it an ideal time to explore the region’s vibrant natural landscapes before the rains of spring arrive.
As September arrives in San Pedro de Jujuy, Argentina, daylight duration settles at 11 hours, maintaining the same bright span as the previous month. This consistency follows the gradual decline from the peak of 13 hours in January through the late summer months. Interestingly, as autumn approaches, daylight begins to shorten, heralding a transition that will continue into winter, where it will reach its annual low of 10 hours in June. However, as the year progresses toward October, a gentle increase resumes, hinting at the lively days ahead as spring approaches. This rhythm of light not only marks the changing seasons but also enriches the vibrant life of this Argentine locale.
In September, the winds in San Pedro de Jujuy begin to pick up, averaging 1.8 m/s (4 mph). This gentle increase from the summer months signals a transition in the air, offering a refreshing contrast after the relatively calm days of August. As the winds continue to strengthen into October and November, reaching 2.0 m/s (4 mph) and 2.1 m/s (5 mph) respectively, September stands out as the month when the breeze becomes noticeably more pronounced. This progressive shift not only invigorates the atmosphere but also enhances the charm of the picturesque surroundings, inviting locals and visitors alike to embrace the season's subtle change with a smile.
Weather in San Pedro de Jujuy varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Pedro de Jujuy, focusing on differences in temperature, rainfall, humidity, and UV levels.
Comparing the weather in September and January reveals striking differences. In September, temperatures range from a refreshing 3°C (38°F) at night to a warm average of 20°C (69°F) during the day, peaking at a scorching 42°C (108°F). The month experiences minimal precipitation, with only 7 mm (0.3 in) recorded over just one day, and humidity sits at a moderate 53%.
In contrast, January presents a much warmer climate, with nighttime lows around 14°C (58°F) and daily averages of 25°C (77°F), reaching up to 40°C (104°F) at its hottest. However, the weather is much wetter during this month, receiving 180 mm (7.1 in) of rain over 17 days, resulting in a higher humidity level of 81%. For a detailed look at the January climate, you can visit San Pedro de Jujuy weather in January.
September and February showcase strikingly different weather patterns. In September, temperatures range from a chilly minimum of 3°C (38°F) to a hot maximum of 42°C (108°F), with an average of 20°C (69°F). The month experiences very little precipitation, with only 7 mm (0.3 in) over just one day and a humidity level of 53%. In contrast, February brings milder temperatures, with a minimum of 14°C (57°F) and a maximum of 36°C (97°F), averaging around 24°C (75°F). However, February is considerably wetter, receiving 153 mm (6.0 in) of rainfall across 18 days, and the humidity rises to 75%. For a detailed look at February weather, visit San Pedro de Jujuy weather in February.
September and March display contrasting weather patterns. In September, temperatures range from a chilly 3°C (38°F) at night to a warm 42°C (108°F) during the day, with a comfortable average of 20°C (69°F). This month tends to be dry, receiving only 7 mm (0.3 in) of precipitation over just one day and maintaining a humidity level of 53%. In contrast, March features milder nights, with minimum temperatures around 12°C (54°F), and a more moderate maximum of 36°C (97°F), resulting in an average of 22°C (72°F). However, it is significantly wetter, with 132 mm (5.2 in) of rain spread over 18 days and increased humidity at 76%. For a detailed overview, you can check San Pedro de Jujuy weather in March.
In comparing the weather of September and April, we see notable contrasts. September features warmer temperatures with a minimum of 3°C (38°F) and a maximum of 42°C (108°F), an average temperature of 20°C (69°F), and relatively low humidity at 53%. In stark contrast, April's weather boasts a minimum temperature of 5°C (42°F) and a maximum of 34°C (93°F) with a similar average of 20°C (68°F), but it experiences considerably higher rainfall, totaling 110 mm (4.3 in) over about 16 days, alongside much higher humidity at 85%. For more details about April weather, you can visit San Pedro de Jujuy weather in April.
September generally offers warmer temperatures compared to May, with averages reaching around 20°C (69°F) and maximums soaring up to 42°C (108°F). In contrast, May features cooler conditions, typically averaging 16°C (61°F) and peaking at 33°C (93°F). While September experiences only 7 mm (0.3 in) of precipitation over just one day, May sees significantly higher rainfall at 32 mm (1.3 in) across nine days, resulting in much higher humidity levels of 88% compared to September's 53%. For more details on May's weather, check out San Pedro de Jujuy weather in May.
When comparing the weather in September and June, notable differences emerge. In September, temperatures are generally warmer, with a minimum of 3°C (38°F), an average of 20°C (69°F), and a maximum reaching up to 42°C (108°F). In contrast, June presents cooler conditions with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 31°C (88°F), and a lower average of 13°C (56°F). Additionally, September experiences less precipitation, with only 7 mm (0.3 in) over just 1 day, while June has more frequent rainfall, totaling 13 mm (0.5 in) across 3 days. The humidity is also notably higher in June at 79% compared to September's 53%. For a more detailed insight, you can visit San Pedro de Jujuy weather in June.
In comparing the weather of September and July, it is evident that September offers significantly warmer conditions, with average temperatures around 20°C (69°F) compared to July's cooler average of 13°C (56°F). September also experiences a broader temperature range, reaching highs of 42°C (108°F), in stark contrast to July's maximum of 33°C (92°F). Although both months see minimal precipitation, July has slightly higher rainfall at 10 mm (0.4 in) over three days, while September sees just 7 mm (0.3 in) over a single day. Additionally, humidity levels are slightly lower in September at 53%, compared to July's 60%. For more information, check out San Pedro de Jujuy weather in July.
In comparing the weather of September and August, September exhibits a wider temperature range and generally warmer conditions. The minimum temperature in September is 3°C (38°F), compared to August's 0°C (32°F), while the average temperature rises to a pleasant 20°C (69°F) in September, compared to August's cooler average of 16°C (61°F). Although September has a maximum temperature peaking at 42°C (108°F), August's maximum is slightly lower at 39°C (102°F). Precipitation levels are similar, with September receiving 7 mm (0.3 in) over just one day, while August records 6 mm (0.2 in) also over one day, suggesting a relatively dry period for both months. Notably, September also has higher humidity at 53%, compared to 45% in August. For more insights focused on August weather conditions, you can visit San Pedro de Jujuy weather in August.
In September, the weather features a wide temperature range with minimums at 3°C (38°F) and maximums reaching up to 42°C (108°F), creating warm days interspersed with cooler nights. Precipitation is minimal during this month, with just 7 mm (0.3 in) of rain over a single day and humidity averaging 53%. In contrast, October brings a slight increase in overall temperatures, with minimums of 10°C (50°F) and maximums climbing to 44°C (112°F). This month is significantly wetter, receiving 56 mm (2.2 in) of precipitation across 8 days, while humidity remains relatively stable at 55%. For more detailed information, you can check San Pedro de Jujuy weather in October.
In September, temperatures in San Pedro de Jujuy range from a minimum of 3°C (38°F) to a maximum of 42°C (108°F), with an average of 20°C (69°F). The month sees very little precipitation, averaging just 7 mm (0.3 in) over only one rainy day, and humidity levels are around 53%. In contrast, November experiences a rise in both temperature and humidity, with minimum temperatures of 11°C (53°F) and an average of 24°C (76°F), peaking at 40°C (103°F). This month is also much wetter, recording 86 mm (3.4 in) of rainfall over 14 days and humidity levels climbing to 75%. For more detailed information on November weather, you can check San Pedro de Jujuy weather in November.
September weather in San Pedro de Jujuy features a wide temperature range, with minimums at 3°C (38°F) and maximums soaring to 42°C (108°F), averaging around 20°C (69°F). The month is relatively dry, experiencing only 7 mm (0.3 in) of precipitation over just one day and maintaining a humidity level of 53%. In contrast, December brings warmer and more humid conditions, with minimum temperatures around 13°C (56°F) and average highs reaching 39°C (102°F), resulting in an overall average of 25°C (77°F). This month sees a significant increase in rainfall, totaling 189 mm (7.4 in) over 17 days, and humidity levels rise to 85%. To learn more about December weather specifically, visit San Pedro de Jujuy weather in December.
As September rolls into San Pedro de Jujuy, the weather showcases a delightful transition from the winter chill to the warming embrace of spring. Temperatures begin to rise, offering a comfortable average that encourages outdoor activities, while the occasional peaks can reach heights reminiscent of summer. With only minimal rainfall and low humidity, this month is a striking contrast to the wetter, cooler seasons that precede it. Whether you’re exploring the vibrant local culture or enjoying the stunning landscapes, September presents an ideal time to experience all that this charming town has to offer. For a more detailed look at the weather trends and variations, check out San Pedro de Jujuy Climate.