Last updated: August 21, 2025
In Chilecito, Argentina, September weather presents a captivating blend of temperatures and moderate rainfall. With maximum temperatures reaching 32°C (89°F) and an average of 13°C (56°F), the region experiences a notable transition from the cooler winter months. However, chillier nights can dip to a brisk -3°C (27°F). The month witnesses a total precipitation of 119 mm (4.7 in), spread over 10 days, making it a period of refreshing showers amid the awakening landscape. With humidity levels at 38%, September in Chilecito is both invigorating and vibrant, offering a glimpse of spring's arrival in this picturesque Argentine locale.
In September, Chilecito, Argentina begins to shake off the lingering chill of winter, with temperatures gradually warming up. The minimum temperature hovers around a crisp -3°C (27°F), while the average reaches a comfortable 13°C (56°F). As the month progresses, the maximum temperature can rise impressively to 32°C (89°F), signaling the onset of warmer days. This trend marks a transition from the colder months, as September stands out for its significant increase in warmth compared to the preceding months. With the days growing longer and sunnier, it's an invigorating time for outdoor activities and exploration of the beautiful landscape surrounding this charming Argentine town.
In September, Chilecito experiences a notable shift in precipitation patterns, with 119 mm (4.7 in) of rain falling over 10 days. This amount marks a clear increase from the significantly dry months of July and August, illustrating a transition into the wetter part of the year. As temperatures begin to cool, the region starts to feel the effects of seasonal changes, pushing September's rainfall closer to the levels seen in spring months. With the onset of this precipitation, the landscape awakens, fostering a vibrant environment that hints at the lush growth to come in the following months.
In September, Chilecito experiences a notable dip in humidity, dropping to 38%—the lowest level since the previous autumn months. This decline is part of a general trend observed as the year progresses, with humidity steadily decreasing from August's 40%. The transition from winter to spring marks a shift towards drier conditions, with October anticipated to continue this pattern at 37%. Interestingly, higher humidity levels were prevalent earlier in the year, peaking in April at 58%. This seasonal variation highlights Chilecito's distinct climate, where the shift into spring brings not only warmer temperatures but also crisper, less humid air.
As the seasons shift in Chilecito, Argentina, September showcases a UV Index of 11, categorizing it as extreme with a brisk burn time of just 10 minutes. This indicates a continuation of the high sun intensity experienced earlier in the year, especially since both January and February recorded even higher indices of 16 and 15, respectively. Interestingly, as we transition into October, the UV Index remains equally intense, climbing back to 14—a reminder of the sun's potency as warmer months approach. Overall, the data prompts a clear trend of caution around sun exposure in September, with the need for protective measures as essential as ever. For a deeper dive into the UV Index specifics throughout the year, visit Chilecito UV Index.
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In September, Chilecito experiences a delightful transition into spring, with 338 hours of sunshine that mark a notable uptick from the winter months. As the days grow longer, this prelude to summer showcases a trend of increasing sunlight, setting the stage for October when the region delights in a robust 372 hours. The steady ascent from the 292 hours recorded in June to September's figures illustrates not just the warmth of the season but also the vibrant energy that permeates the landscape, inviting both locals and visitors to bask in the sun-drenched days ahead. With November promising even more radiance at 379 hours, September acts as a beautiful harbinger of the sunlit months to come.
In Chilecito, Argentina, September marks a delightful transition into spring with a remarkable 84% chance of sunny weather. As the year progresses, the likelihood of sunshine noticeably increases, peaking in the late winter months of July and August before settling into the warmth of early spring. This trend showcases a shift from the lower probabilities earlier in the year, where January's sunshine dips to just 52%. With the sun shining brightly in September, it offers an ideal backdrop for outdoor activities and enjoying the vibrant landscape of the region. As October follows, a slight decrease to 71% keeps the sunny optimism alive, making September a prime time to experience all that Chilecito has to offer under the clear blue skies.
In September, Chilecito, Argentina, enjoys about 11 hours of daylight, marking a gradual transition from the shorter days of winter to the longer days of summer. This month reflects a slight increase from the 10 hours seen in June, July, and August, indicating the onset of spring and a return to brighter skies. As the year progresses, daylight continues to extend, culminating in January and February where the sun graces the region for 13 hours each day. Overall, the daylight duration showcases a beautiful rhythm between the seasons, allowing residents and visitors alike to relish in the diverse natural beauty that Chilecito has to offer.
As September arrives in Chilecito, Argentina, the winds start to pick up, showing a notable increase with an average speed of 2.3 m/s (5 mph). This marks a slight rise compared to previous months, indicating a transitional phase as the seasons change. Throughout the year, wind speeds have generally hovered around the 2.0 m/s mark, but September's gusts hint at the arrival of spring, with nature stirring to life. Following this trend, October also shares the same brisk pace, suggesting that the fresh breezes of early spring may linger a bit longer this year, inviting residents and visitors to embrace the invigorating outdoor experiences that come with the season.
Weather in Chilecito varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chilecito, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, notable differences emerge in temperature and precipitation patterns. September sees a broader range, with temperatures ranging from a chilly -3°C (27°F) to a warm 32°C (89°F), averaging around 13°C (56°F). In contrast, January typically experiences milder temperatures, with a minimum of 10°C (50°F) and a maximum of 33°C (91°F), averaging 20°C (69°F). In terms of precipitation, September is less rainy with 119 mm (4.7 in) falling over 10 days, while January is wetter, receiving 228 mm (9.0 in) across 18 days, coupled with higher humidity levels of 47% compared to September's 38%. For further details on January weather, you can find information here: Chilecito weather in January.
In September, temperatures in Chilecito range from a chilly -3°C (27°F) at night to a warm 32°C (89°F) during the day, with an average of 13°C (56°F). This month sees around 119 mm (4.7 in) of precipitation over approximately 10 days and a relative humidity of 38%. In contrast, February experiences more moderate temperatures, with a minimum of 10°C (51°F), an average of 19°C (66°F), and a maximum of 29°C (85°F). However, it is considerably wetter, receiving 290 mm (11.4 in) of rainfall over about 20 days, leading to a higher humidity level of 51%. For more details on February weather, check out Chilecito weather in February.
In comparing the weather of September and March, we notice notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums dipping to -3°C (27°F) and maximums reaching up to 32°C (89°F), which contributes to an average of 13°C (56°F). In contrast, March has milder temperatures, starting at a minimum of 6°C (44°F) and averaging 17°C (63°F) with a maximum of 30°C (86°F). Additionally, March sees significantly more precipitation, with a total of 303 mm (11.9 in) spread over 19 days, compared to September's 119 mm (4.7 in) over just 10 days. Humidity levels also rise in March, sitting at 56%, compared to a drier 38% in September. For more detailed information, you can check Chilecito weather in March.
When comparing the weather in September and April, notable differences emerge in temperature, precipitation, and humidity. September experiences a broader temperature range with minimums dropping to -3°C (27°F) and highs reaching 32°C (89°F), while April typically sees milder temperatures, with minimums at 4°C (39°F) and maximums at 28°C (82°F). Precipitation levels are higher in April, totaling 194 mm (7.6 in) over 17 days, compared to September's 119 mm (4.7 in) over 10 days. Additionally, April's humidity is notably higher at 58%, contrasting with September's 38%. These differences highlight the transitional nature of spring in April compared to the more variable conditions in early fall.
For more detailed information, you can check the Chilecito weather in April.
In September, the weather is generally warmer than in May, with average temperatures reaching 13°C (56°F) compared to May's average of 12°C (53°F). Notably, September can experience higher maximum temperatures, peaking at 32°C (89°F), while May sees a maximum of 28°C (83°F). However, May is characterized by increased precipitation, totaling 224 mm (8.8 in) over approximately 15 days, compared to September's 119 mm (4.7 in) over 10 days. Additionally, humidity levels in May are significantly higher at 57%, compared to September's 38%. For a more detailed look at weather conditions during this month, check Chilecito weather in May.
September and June showcase distinct weather patterns, with September generally experiencing a wider range of temperatures. In September, temperatures can drop as low as -3°C (27°F) and rise to a warm 32°C (89°F) with an average of 13°C (56°F), while June's temperatures range from a minimum of -4°C (26°F) to a maximum of 28°C (83°F), averaging at 9°C (48°F). Precipitation levels are similar, with September receiving 119 mm (4.7 in) over 10 days and June slightly higher at 134 mm (5.3 in) over just 8 days. Additionally, humidity levels are higher in June at 46%, compared to September's 38%. For more specific insights on weather conditions, you can check Chilecito weather in June.
In comparing the weather between September and July, September typically experiences a wider temperature range, with minimums around -3°C (27°F) and maximums reaching up to 32°C (89°F), resulting in an average temperature of 13°C (56°F). In contrast, July is cooler with minimum temperatures of -9°C (17°F), an average of 8°C (47°F), and maximums peaking at 25°C (78°F). Additionally, September has higher precipitation levels at 119 mm (4.7 in) over approximately 10 days, compared to July's 73 mm (2.9 in) across 7 days. The humidity also varies, with September at 38% and July at a higher 49%. For more detailed insights about July weather, you can check Chilecito weather in July.
September shows a notable increase in temperature compared to August, with minimums of -3°C (27°F) and averages reaching 13°C (56°F), while August recorded a lower minimum of -4°C (25°F) and an average of 11°C (51°F). The maximum temperature also rises significantly in September to 32°C (89°F), compared to 28°C (82°F) in August. In terms of precipitation, September experiences much more rainfall with 119 mm (4.7 in) over 10 days, compared to only 46 mm (1.8 in) over 5 days in August. Humidity levels are slightly lower in September at 38%, whereas August recorded a humidity of 40%. For a closer look at August weather specifics, check out Chilecito weather in August.
September and October present a transition in weather patterns, with October generally bringing milder temperatures and increased precipitation. In September, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 32°C (89°F), averaging around 13°C (56°F). This month experiences 119 mm (4.7 in) of precipitation over 10 days, accompanied by humidity at 38%. In contrast, October sees slightly warmer temperatures, with a minimum of 3°C (38°F) and an average of 15°C (60°F), reaching a maximum of 30°C (86°F). Notably, October has an increase in precipitation, totaling 191 mm (7.5 in) across 16 days, while maintaining humidity at a comparable 37%. For more detailed information, you can check Chilecito weather in October.
In September, the weather tends to be cooler, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 32°C (89°F) and an average of 13°C (56°F). This month experiences about 119 mm (4.7 in) of precipitation over approximately 10 days, along with a humidity level of 38%.
In contrast, November shows a slight warming trend with minimum temperatures of 6°C (44°F) and a comfortable average of 18°C (65°F), peaking at 31°C (88°F). However, it is notably wetter, receiving 230 mm (9.0 in) of rain across 18 days, while the humidity remains relatively low at 36%. For more insights into the weather during this month, check out Chilecito weather in November.
In September, the weather shows a diverse temperature range with a minimum of -3°C (27°F) and an average of 13°C (56°F), peaking at 32°C (89°F). With 119 mm (4.7 in) of precipitation over approximately 10 days, humidity hovers around 38%. In contrast, December experiences milder conditions with a minimum of 10°C (50°F) and an average temperature of 19°C (67°F), reaching the same maximum of 32°C (90°F) as in September. However, December sees significantly more rainfall, totaling 265 mm (10.5 in) over 19 days, while humidity remains relatively stable at 37%. For more detailed insights, check out Chilecito weather in December.
September in Chilecito marks a significant transition as the winter chill gives way to warmer days. With temperatures reaching a comfortable maximum of 32°C (89°F) and a refreshing average of 13°C (56°F), the weather contrasts sharply with the cooler months that precede it. Although occasional rain may occur, bringing a total of about 119 mm throughout the month, the overall climate remains relatively dry with a humidity level of 38%. This blend of warmth and moderate precipitation makes September an inviting time to explore the beauty of Chilecito. For more detailed insights, visit Chilecito Climate.