Last updated: February 6, 2025
In Jaca, Spain, September brings a delightful transition from summer to autumn, with temperatures peaking at a maximum of 29°C (84°F) and averaging a pleasant 16°C (61°F). As the month progresses, nighttime temperatures can dip to a refreshing minimum of 3°C (37°F). Typically, September sees about 53 mm (2.1 in) of rainfall over approximately 7 days, contributing to a humidity level of 75% that adds a crispness to the air. This dynamic weather makes Jaca an inviting destination for those seeking to experience the beauty of the Pyrenees during this colorful time of year.
In September, Jaca, Spain, enjoys a delightful transition from the sweltering summer to the crispness of autumn. With nighttime temperatures dropping to a mild 3°C (37°F) and pleasant daytime highs reaching 29°C (84°F), the weather is pleasantly inviting for outdoor activities. The average temperature hovers around 16°C (61°F), providing an ideal backdrop for exploring the stunning Pyrenean landscapes. As this month unfolds, the days gradually become shorter, signaling the end of summer and the approach of cooler months, yet the warmth lingers just enough to offer sun-seekers a final taste of summer charm.
September in Jaca, Spain, sees a moderate precipitation amount of 53 mm (2.1 in), accompanied by 7 days of rainfall. This is a noticeable decrease from the sunnier summer months of July and August, where totals were just 31 mm (1.2 in) and 40 mm (1.6 in) respectively. As autumn begins to take hold, the precipitation trends reveal a gradual increase that peaks in December with a substantial 123 mm (4.8 in), marking the transition into a wetter season. The consistent pattern of rain over the months illustrates a shift from the driest summer days, fostering a refreshing change in the landscape and signaling the arrival of cooler, crisper weather.
In September, Jaca, Spain, experiences a notable shift in humidity, dropping to 75% as summer gives way to autumn. This decline reflects a broader trend throughout the year, where humidity is generally high in the winter months—peaking at 86% in January—but gradually decreases as temperatures rise, reaching their lowest point during late summer. As September progresses, the air begins to feel a bit crisper, making way for the gradually increasing humidity of autumn, which returns to 81% by October. This transition encapsulates Jaca's captivating seasonal rhythm, where climate variations contribute to the unique charm of the region.
In September, Jaca experiences a UV Index of 8, indicating a very high exposure category with a burn time of just 15 minutes—a slight dip from the peak summer months of July and August, which both reached an extreme index of 11. This trend highlights the summer's intense sun exposure, tapering off as autumn approaches, yet still requiring caution for outdoor activities. As the sunny days begin to shorten, residents and visitors should remain vigilant about sun protection, particularly during midday hours when the sun is at its strongest. For more details on UV trends throughout the year, check out Jaca UV Index.
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September in Jaca, Spain, offers a delightful transition into autumn, with 347 hours of sunshine illuminating the landscape. This marks a natural decline from the sun-drenched summer months, as July shines the brightest with an impressive 429 hours. Despite this decrease, September retains a generous amount of sunlight, showcasing a trend where early fall continues to bask in warm rays before the colder months set in. As the weather cools, the shift from summer's peak to the golden hues of autumn creates a picturesque atmosphere, perfectly blending relaxation with outdoor adventures. The gradual decrease in sunshine hours from 406 in May to 314 in October reflects a subtle reminder of the approaching winter, yet September maintains its charm, making it an ideal time for visitors to savor the last remnants of summer’s warmth.
In Jaca, Spain, September brings a moderate 38% chance of sunny weather, a notable shift from the sun-soaked heights of August with its impressive 71% likelihood. As summer transitions into autumn, the chance of clear skies begins to drop, reflecting a trend where the sunniest months peak in the heart of summer—July and August—with rates of 64% and 71%, respectively. Although September's sunshine isn't as plentiful, it still offers a pleasant contrast to the cooler, cloudier days of early fall, making it a lovely time to enjoy the remnants of summer's warm embrace before the arrival of more variable weather in October, which sees an increase to 54%. Overall, while September's sunny disposition may wane, it remains an inviting option for those looking to explore Jaca’s scenic landscapes under a mix of sun and clouds.
As the summer fades into autumn in Jaca, Spain, September marks a transition in daylight duration, offering approximately 12 hours of daylight. This gradual decrease follows the sunlit peak of June, where residents enjoyed a full 15 hours. September’s shorter days signal the onset of cooler temperatures and the vibrant colors of fall. Notably, daylight hours begin a steady decline, a trend that continues into October with 11 hours, reflecting nature's rhythm as it prepares for the winter months ahead. The shift from the longer, sun-drenched days of summer to the mellow light of early autumn encapsulates the beauty of seasonal change.
As summer transitions into autumn, September in Jaca, Spain, brings a gentle breeze with an average wind speed of 1.9 m/s (4 mph), marking one of the calmest months of the year. This decrease in wind speed, a continuation of the trend observed in August, signifies a shift towards a more tranquil atmosphere, perfect for enjoying the picturesque landscape. With wind speeds rising again in November, it’s clear that September offers a serene interlude, inviting visitors to embrace the quiet beauty of the changing seasons while reflecting on the warmer months behind them.
The weather in Jaca changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Jaca and find detailed weather information for every month.
When comparing the weather of September and January, stark contrasts emerge. In September, temperatures range from a chilly 3°C (37°F) at night to a pleasant 29°C (84°F) during the day, with average temperatures hovering around 16°C (61°F). Janus, on the other hand, brings much colder conditions with temperatures dipping as low as -14°C (8°F) and averaging just 2°C (36°F). Precipitation is also notable; September experiences 53 mm (2.1 in) over approximately 7 days, while January sees slightly more, with 74 mm (2.9 in) spread across about 9 days. Additionally, humidity levels are higher in January at 86%, compared to 75% in September. Overall, September offers milder and more variable weather, while January presents a wintry chill. For more details on January weather, you can check Jaca weather in January.
In September, the weather brings a mild palate, with temperatures ranging from a chilly 3°C (37°F) to a warm 29°C (84°F) and an average of 16°C (61°F). The month experiences about 53 mm (2.1 inches) of precipitation over approximately 7 days, with humidity levels around 75%. In contrast, February presents a cooler landscape, where temperatures dip to a minimum of -6°C (21°F) and only reach a maximum of 19°C (66°F), averaging 4°C (40°F). Precipitation increases slightly to 67 mm (2.7 inches), also spread across 7 days but accompanied by higher humidity at 85%. For more details about the weather in February, visit Jaca weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), with an average temperature of 16°C (61°F). This month typically sees 53 mm (2.1 in) of precipitation over 7 days, accompanied by a humidity level of 75%. In comparison, March experiences cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 21°C (70°F), averaging 6°C (42°F). It also tends to be wetter, with 104 mm (4.1 in) of precipitation over 13 days and a higher humidity level of 82%. For a more detailed look at March weather, you can visit Jaca weather in March.
In September, temperatures start to cool down with a minimum of 3°C (37°F) and an average high of 29°C (84°F), offering pleasant warm days. The month experiences moderate precipitation of 53 mm (2.1 in) over about 7 days, along with a humidity level of 75%. In contrast, April sees much cooler temperatures, with a minimum of -5°C (23°F) and an average high of 22°C (72°F). It is also a wetter month, receiving 105 mm (4.1 in) of rain across 13 days, and humidity is slightly higher at 81%. For more detailed insights, you can check out Jaca weather in April.
In September, the weather typically showcases a wider temperature range, with minimums around 3°C (37°F) and maximums reaching 29°C (84°F), averaging at 16°C (61°F). The month experiences rainfall on about 7 days, accumulating to 53 mm (2.1 in), and humidity averages around 75%. In contrast, May portrays cooler temperatures, starting with minimums dipping to -2°C (28°F) and averaging at 13°C (55°F), while also peaking at 29°C (84°F). This month sees more precipitation, with total rainfall of 96 mm (3.8 in) spread over 13 days and slightly higher humidity at 80%. For a more detailed look into May's weather, you can explore Jaca weather in May.
In comparing the weather between September and June, we see some notable differences. September experiences a wider temperature range, with a minimum of 3°C (37°F) and a maximum of 29°C (84°F), whereas June has slightly cooler nights with a minimum of 1°C (34°F) and a warmer peak at 34°C (94°F). Precipitation in June is higher at 88 mm (3.5 in) over 13 days, compared to September's 53 mm (2.1 in) spread over just 7 days, indicating that June tends to be wetter. Additionally, the humidity in June is a bit higher at 81%, compared to September's 75%. For a closer look at June weather specifics, you can check Jaca weather in June.
In comparing the weather between July and September, we notice some distinct differences. July typically enjoys warmer temperatures, with a minimum of 5°C (41°F) and an average of 20°C (69°F), peaking at a maximum of 33°C (92°F). This month also experiences lower precipitation, averaging 31 mm (1.2 in) over 7 days, but with slightly higher humidity levels at 80%. Conversely, September sees cooler temperatures, ranging from a minimum of 3°C (37°F) to an average of 16°C (61°F), with a maximum of 29°C (84°F). While September is slightly wetter, with 53 mm (2.1 in) of precipitation over the same number of days, it also has a humidity level of 75%. For a deeper dive into the specifics of July weather in the region, you can refer to Jaca weather in July.
In comparing the weather conditions of September and August, it is clear that August tends to be warmer overall, with average temperatures reaching around 20°C (69°F) and maximums soaring to 36°C (96°F). In contrast, September sees slightly cooler temperatures, with an average of 16°C (61°F) and a maximum of 29°C (84°F). While both months experience similar levels of precipitation, with 40 mm (1.6 in) in August compared to 53 mm (2.1 in) in September, humidity levels remain fairly consistent at 75% for September and 76% for August. For a deeper dive into the typical climate conditions, you can check out Jaca weather in August.
September and October exhibit noticeable differences in weather patterns. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), with an average of 16°C (61°F) and relatively moderate precipitation totaling 53 mm (2.1 in) over about 7 days. The humidity level is around 75%, creating a comfortable atmosphere. Conversely, October sees a shift, with temperatures dipping to a minimum of -3°C (27°F) and an average of 11°C (52°F), while maximum temperatures reach 26°C (80°F). Precipitation increases significantly to 98 mm (3.9 in) over 8 days, and humidity rises to 81%, contributing to a noticeably wetter and cooler climate. For more details, you can check Jaca weather in October.
In September, temperatures range from a mild 3°C (37°F) to a warm 29°C (84°F), with an average of 16°C (61°F). The month is characterized by relatively low precipitation at 53 mm (2.1 in) over about 7 days, and humidity levels average 75%. In contrast, November brings a significant drop in temperature, with lows reaching -7°C (20°F) and a maximum of 19°C (66°F), averaging just 5°C (42°F). Precipitation increases notably to 95 mm (3.8 in) over approximately 13 days, and humidity rises to an average of 85%. For more detailed information on November weather in Jaca, you can visit Jaca weather in November.
September and December present contrasting weather patterns, with September typically showcasing warmer temperatures. The average temperature in September is around 16°C (61°F), peaking at 29°C (84°F) and dropping to a minimum of 3°C (37°F). In contrast, December experiences much cooler conditions, with average temperatures plummeting to around 3°C (38°F) and minimums reaching -7°C (20°F). Additionally, December sees increased precipitation, with 123 mm (4.8 in) recorded over 12 days, compared to September's 53 mm (2.1 in) over just 7 days. The humidity levels also rise in December to 87%, compared to 75% in September. For more details on winter conditions, visit Jaca weather in December.
As summer transitions to autumn, September in Jaca offers a delightful mix of mild temperatures and a touch of moisture. With highs reaching around 29°C (84°F) and refreshing evenings cooling down to an average of 16°C (61°F), it creates an inviting climate for outdoor activities. While the month does see a bit more rainfall compared to the drier summer months, with approximately 53 mm over 7 days, this slight increase in precipitation adds to the lush scenery rather than detracting from the experience. Humidity levels remain comfortably moderate at 75%, making September a wonderful time to explore the natural beauty of the region. For more detailed insights into seasonal variations, check out our page on Jaca Climate.