Last updated: August 21, 2025
In September, San Rafael, Argentina experiences a striking transition as temperatures begin to warm up. The maximum reaches a balmy 33°C (91°F), while the average temperature settles at a comfortable 14°C (58°F), dipping as low as -4°C (25°F) during the nights. Although this month brings a slight precipitation total of 21 mm (0.8 in) spread over approximately 4 days, the humidity remains moderate at 59%, creating a refreshing and pleasant atmosphere. These conditions mark the beginning of the spring season, inviting both locals and visitors to enjoy the vibrant landscapes of the region.
In September, San Rafael, Argentina, experiences a notable transition as winter recedes and spring approaches. The temperatures begin to lift, with minimums averaging around -4°C (25°F) and a pleasing average of 14°C (58°F), while maximum temperatures can reach up to 33°C (91°F). This month serves as a bridge, reflecting a gradual warming trend after the chill of winter, leading to more temperate days perfect for outdoor activities. With daytime temperatures on the rise, September invites a refreshing change, making it a delightful time to explore the stunning landscapes of this picturesque region.
In September, San Rafael experiences a moderate precipitation level, with 21 mm (about 0.8 inches) falling over four days. This represents a slight increase compared to the drier months of July and August, which recorded only 17 mm and 10 mm, respectively. The transition from winter to spring brings renewed moisture, setting the stage for the more substantial rainfall that typically characterizes the upcoming months. As the region prepares for October's anticipated 40 mm (1.6 in) and beyond, September serves as a gentle reminder of the changing seasons, making the landscape lush and vibrant ahead of the spring bloom.
In September, San Rafael experiences a noticeable shift in humidity, with levels averaging around 59%. Following a gradual increase through the summer months—peaking at 75% in May—humidity levels begin to decline as the city transitions into spring. This decline is reflected in the subsequent months, where October sees an even lower average of 57%. The patterns reveal a dynamic climate, with increasing humidity in late summer gradually giving way to drier air as the year progresses. The comfortable September humidity represents a perfect balance, marking a serene moment before the drier months set in, making it an ideal time for outdoor activities in this lush Argentine region.
In September, San Rafael, Argentina, experiences a UV Index of 8, placing it in the very high exposure category, with a burn time of just 15 minutes. This trend mirrors the seasonal transition as the UV intensity begins to ramp up from its winter lows. Following the cooler months of June and July, with moderate UV levels around 4, September marks a shift toward increased sunlight, hinting at the approaching summer. As we move into October, the UV Index climbs to 11, emphasizing the need for sun protection as the region gears up for hotter days ahead. With September's UV levels necessitating caution, it's a prime time to stay informed and protected. For more detailed insights, check out San Rafael UV Index.
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September in San Rafael, Argentina, marks a delightful transition as the city basks in 317 hours of sunshine, mirroring the brilliance of the preceding summer months. As days gradually warm up, the sun shines brightly, inviting locals and visitors alike to revel in outdoor activities. This month serves as a gentle reminder of the abundant light that characterizes the Argentine spring, positioning San Rafael as a captivating destination. Following a peak in the winter months with a dip in daylight hours, September rejuvenates with its consistent sunshine, setting the stage for an impressive surge of brightness that crescendos into October’s 352 hours. As autumn approaches, the city's vibrant landscapes become even more enchanting under the sun’s warm embrace, encouraging exploration and appreciation of the stunning scenery.
In San Rafael, Argentina, September offers a promising 74% chance of sunny weather, marking it as one of the more favorable months for sunshine as the year transitions into spring. This figure not only reflects a notable increase from the 63% likelihood in May and 59% in March, but also shows consistency with late winter and early spring months like August, which stands at 70%, and October, peaking at 80%. The upward trend in sunshine probability indicates a delightful shift towards brighter days, making September an ideal time for outdoor activities and exploration in this charming region.
As September rolls into San Rafael, Argentina, the days begin to stretch once more, offering approximately 11 hours of daylight. This marks a slight increase from the shorter days of winter, inviting the vibrant colors of spring. Following the deepening dark of June, where daylight dipped to just 9 hours, the slow ascent in daylight hours throughout September signals a warming trend. In the months prior, daylight fluctuated between 10 to 11 hours, but September stands as a gentle reminder of the approaching longer days, paving the way for the 12 hours of daylight that October will bring. The rhythm of daylight continues its cyclical dance, reflecting the region's seasonal transitions.
As September arrives in San Rafael, Argentina, a noticeable shift in the winds begins to unfold. With an average wind speed of 3.5 m/s (8 mph), the month serves as a transition between the lighter breezes of winter and the refreshing gusts of spring. This uptick in wind speed follows a generally steady pattern observed over the previous months, where January to April recorded similar velocities around 3.0 to 3.7 m/s. Notably, September's winds hint at a return to the more dynamic air currents experienced in the earlier months of the year. As the region prepares to embrace the warmer days ahead, these invigorating September winds invite residents and visitors alike to enjoy the vibrant outdoors, setting the stage for the beautiful Argentine spring.
Weather in San Rafael varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Rafael, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase notable differences in weather patterns. In September, temperatures range from a chilly -4°C (25°F) at night to a comfortable 33°C (91°F) during the day, with an average of 14°C (58°F). The month sees about 21 mm (0.8 in) of precipitation over 4 days, and humidity averages at 59%. In contrast, January brings warmer conditions, with minimum temperatures around 9°C (48°F), an average of 26°C (79°F), and maximums soaring to 41°C (106°F). This month has a higher precipitation level of 30 mm (1.2 in) spread over 6 days, but lower humidity at 42%. For a more detailed look at January weather, you can check out San Rafael weather in January.
When comparing the weather of September and February, we notice significant differences in temperature and precipitation. September experiences a more varied temperature range, with minimums dropping to -4°C (25°F) and maximums reaching 33°C (91°F), leading to an average of 14°C (58°F). In contrast, February is notably warmer, with minimum temperatures at 9°C (49°F) and maximums climbing to a scorching 40°C (104°F), resulting in a higher average of 24°C (75°F). Additionally, February sees increased precipitation at 52 mm (2.0 in) over 6 days, compared to just 21 mm (0.8 in) over 4 days in September. The humidity levels are also different, with September being more humid at 59%, while February has a drier feel at 46%. For a more detailed look at February weather, check out San Rafael weather in February.
September and March present distinct weather patterns, illustrating the transition between seasons. In September, temperatures range from a chilly minimum of -4°C (25°F) to a warm maximum of 33°C (91°F), with an average of 14°C (58°F). The month sees relatively low precipitation at 21 mm (0.8 in) over four days, and humidity hovers around 59%. In contrast, March offers warmer conditions, with temperatures starting at a minimum of 4°C (39°F) and peaking at a scorching maximum of 38°C (100°F), averaging 21°C (70°F). Precipitation increases slightly to 26 mm (1.0 in) over the same four days, with humidity similar at 58%. For more detailed information, refer to San Rafael weather in March.
In September, temperatures in San Rafael range from a chilly minimum of -4°C (25°F) to a pleasant average of 14°C (58°F) and can peak at a warm 33°C (91°F). The month sees relatively low precipitation, with only 21 mm (0.8 in) over about 4 days and humidity levels around 59%. In contrast, April brings slightly warmer temperatures, with a minimum of 1°C (33°F), an average of 17°C (63°F), and a maximum reaching 34°C (94°F). This month experiences more rainfall, totaling 38 mm (1.5 in) over approximately 5 days, along with higher humidity at 69%. For a closer look at the conditions in April, you can refer to San Rafael weather in April.
September and May showcase distinct weather patterns as the seasons transition from winter to spring. In September, the temperatures range from a chilly -4°C (25°F) to a warm 33°C (91°F), with an average of 14°C (58°F) and lower humidity at 59%. Rainfall is relatively light, with only 21 mm (0.8 in) expected over four days. Conversely, May has slightly milder temperatures that vary from -1°C (30°F) to 32°C (90°F), averaging 12°C (54°F). The month typically experiences more precipitation, totaling 39 mm (1.5 in), and higher humidity at 75%. This contrast highlights the shift towards a wetter and warmer late spring climate in May. For more insights, check out San Rafael weather in May.
When comparing the weather in September and June, notable differences emerge. September typically experiences a wider range of temperatures, with minimums around -4°C (25°F) and maximums reaching up to 33°C (91°F). In contrast, June sees cooler conditions, where temperatures range from a minimum of -5°C (24°F) to a maximum of 25°C (77°F). Precipitation levels are slightly higher in September, with an average of 21 mm (0.8 in) over four days, compared to June's 16 mm (0.6 in) across three days. Additionally, humidity is more pronounced in June at 72%, compared to 59% in September. For a more detailed look at June's climate, you can refer to San Rafael weather in June.
September's weather is characterized by a wider temperature range, with minimums dipping to -4°C (25°F) and maximums reaching up to 33°C (91°F), resulting in an average of 14°C (58°F). In contrast, July experiences cooler temperatures, where the minimum is slightly higher at -3°C (26°F) and the maximum only reaches 25°C (77°F), averaging around 8°C (46°F). Additionally, September sees slightly more precipitation with 21 mm (0.8 in) over four days, compared to July's 17 mm (0.7 in) over just two days. Humidity levels are also notably lower in September at 59%, compared to July's higher 73%. For a more detailed insight into July weather in this region, visit San Rafael weather in July.
In comparing the weather of September to August, September sees a slightly cooler average temperature of 14°C (58°F), while August recorded a lower mean of 11°C (52°F). Both months experience maximum temperatures reaching 33°C (91°F), but September's minimum temperature dipped to -4°C (25°F) compared to August's -3°C (26°F). Rainfall also differed, with September receiving more precipitation at 21 mm (0.8 in) over four days, while August had only 10 mm (0.4 in) across two days. Additionally, humidity levels were higher in August at 70%, compared to 59% in September. For more detailed information, you can check San Rafael weather in August.
September and October display distinct weather patterns, showcasing the transition from the tail end of winter to the heat of early spring. In September, temperatures range from a chilly minimum of -4°C (25°F) to a warm maximum of 33°C (91°F), with an average of 14°C (58°F). Precipitation levels are relatively low, at 21 mm (0.8 in) over just 4 days, and humidity sits at 59%.
By October, the landscape shifts further, featuring a minimum temperature of 1°C (34°F) and an increased maximum of 38°C (101°F), with an average temperature rising to 17°C (64°F). However, rainfall also increases to 40 mm (1.6 in) over 5 days, slightly lowering humidity to 57%. For more details on the weather in October, you can check San Rafael weather in October.
In comparing the weather between September and November, September experiences a wider temperature range, with minimums dropping to -4°C (25°F) and maximums reaching up to 33°C (91°F). The average temperature in September is 14°C (58°F), alongside relatively low precipitation of 21 mm (0.8 in) over just 4 days, resulting in a humidity level of 59%. In contrast, November offers a milder minimum temperature of 5°C (41°F), an average of 22°C (71°F), and maximum temperatures soaring to 39°C (103°F). This month sees increased precipitation of 52 mm (2.1 in) over 8 days, accompanied by lower humidity at 44%. For more detailed insights, you can check San Rafael weather in November.
In September, the weather is characterized by a cooler climate, with temperatures ranging from a chilly minimum of -4°C (25°F) to a warm maximum of 33°C (91°F) and an average of 14°C (58°F). The month sees relatively low precipitation, totaling 21 mm (0.8 in) over about four days, accompanied by a humidity level of 59%.
In contrast, December experiences significantly warmer temperatures, with a minimum of 8°C (46°F) and maximums reaching up to 40°C (105°F), averaging around 24°C (76°F). This month is wetter, with 45 mm (1.8 in) of precipitation over seven days, and lower humidity at 40%.
For more details, you can check San Rafael weather in December.
In September, San Rafael experiences a distinct transition as it emerges from the cool grip of winter, offering a delightful blend of mild temperatures and refreshing humidity. With maximum highs reaching the pleasant warmth of 33°C (91°F) and average lows dipping down to a cool 14°C (58°F), September stands out as a month of comfortable variability. The 21 mm (0.8 in) of rainfall, spread over just a few days, adds a touch of freshness to the air, invigorating the landscape before the transition to the drier months ahead. For those curious about how this month stacks up against others, explore more details on the region’s unique climate patterns here: San Rafael Climate.