September Weather in Ainsa, Spain

Last updated: February 6, 2025

In September, Ainsa, Spain, experiences a delightful transition from summer to autumn, characterized by a maximum temperature of 26°C (80°F) and an average of 14°C (57°F). As the month progresses, temperatures can dip to a cool 1°C (34°F) during the nights, showcasing a significant range that highlights the region's climatic diversity. Visitors can expect 61 mm (2.4 in) of precipitation spread over approximately 10 days, contributing to the lush landscapes. Humidity levels hover around 73%, adding a touch of crispness to the fresh air. Whether exploring picturesque streets or enjoying the stunning natural surroundings, September in Ainsa offers a charming blend of warmth and refreshment.

September Temperature in Ainsa

In September, Ainsa, Spain, bids farewell to the summer heat with a refreshing transition into autumn. Temperatures typically range from a pleasant 1°C (34°F) at night to a comfortable 26°C (80°F) by day, making it an ideal time for outdoor exploration. With an average temperature of 14°C (57°F), the climate offers a perfect balance—neither too hot nor too cold—for enjoying the town's picturesque landscapes and historic charm. This month marks a gradual cooling trend as it follows the warmth of August, providing visitors with milder weather and stunning fall scenery that enhances the beauty of this charming Spanish locale.

September Weather in Ainsa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ainsa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313638435159656557493733
Data source: Temperature data for Ainsa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ainsa

In September, Ainsa experiences a modest precipitation amount of 61 mm (2.4 in) over approximately 10 days, marking a smooth transition from the summer months. This level of rainfall is slightly less than August's 66 mm, indicating that the end of summer brings a gentle decrease in rain while still maintaining significant moisture. Following the shift into autumn, October is expected to bring wetter days, with 96 mm forecasted, suggesting that the region prepares for the more substantial and consistent rains typical of fall. Overall, September's precipitation reflects a gradual shift in weather patterns, setting the stage for the wetter months ahead.

September Precipitation Trends in Ainsa

The chart displays monthly precipitation patterns in Ainsa, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec60571021211211024366629691102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ainsa

As summer transitions to autumn in Ainsa, Spain, September experiences a slight uptick in humidity, reaching 73%. This modest increase follows a gradual decline from a peak of 87% in January to a low of 70% in August. The trend indicates that while September brings a hint of moisture back into the air, it remains significantly lower than the winter months. As the landscape prepares for cooler temperatures in October, humidity levels will continue to rise, highlighting the marked seasonal shifts experienced in this picturesque region. Overall, September strikes a balance between the dry summer air and the moisture-rich months that follow.

September Average Humidity in Ainsa

This chart illustrates the average monthly humidity levels in Ainsa, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ainsa

In September in Ainsa, Spain, the UV Index maintains a very high level at 8, indicating the sun's intensity is still significant as summer winds down. With a burn time of just 15 minutes, it’s essential to take precautions against harmful UV rays during outdoor activities. This month follows a peak in August with a UV Index of 9, showing that while the intensity slightly decreases, the need for sun safety remains critical. September's figures also reflect a gradual transition towards lower UV exposure, hinting at the approaching autumn while still allowing for enjoyable weather. To learn more about UV levels throughout the year, visit Ainsa UV Index.

Maximum UV Index Levels in Ainsa for September

The chart shows the monthly maximum UV Index (UVI) for Ainsa in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34689111198632
Data source: Ainsa September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Ainsa

In September, Ainsa, Spain, lovingly basks in 347 hours of sunshine, marking the transition into autumn while still holding onto the warmth of summer. This month showcases a notable decline from the sun-drenched July and June, which boast the year's peak sunshine at 429 and 414 hours, respectively. As the days grow shorter, September's generous sunlight outshines the earlier months, like March and April, which only offered 332 and 348 hours. This sweet spot in the sunshine calendar provides a perfect backdrop for exploration and leisure, allowing visitors to enjoy the beautiful landscapes drenched in golden light before the cooler days of October settle in with 314 hours.

Monthly Sunshine Duration in Ainsa: September Highlighted

The September sunshine duration represents the total number of hours Ainsa experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec206h262h332h348h405h414h429h400h347h314h260h254h
Data source: Ainsa September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ainsa During September

When looking at the likelihood of sunny weather in September in Ainsa, Spain, it's clear that the region experiences a moderate chance of sunshine, sitting at 31% for the month. This places September below the sunny heights of July and August, which boast 60% and 62% chances respectively. However, September's sun chance is notably higher than the cooler months surrounding it, including May at 29% and April at 37%. This trend highlights that while the summer months are significantly sunnier, September still offers opportunities for pleasant weather as it transitions into autumn, making it a worthwhile time to plan outdoor activities.

Percentage of Sunny Days in September in Ainsa

The chart illustrates the percentage of sunny days in Ainsa throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Ainsa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%24%45%37%29%42%61%62%31%48%41%43%
Data source: Ainsa September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ainsa in September

As autumn begins in September, Ainsa, Spain, enjoys a transition in daylight duration, with the sun gracing the town for 12 hours each day. This month marks a gentle decline from the peak of 15 hours in June, signaling the shift from the vibrant energy of summer to the quieter rhythms of fall. Following the warm, sunlit days of July and August, where the daylight lingered at 14 and 13 hours respectively, September offers a slightly shorter day that still provides ample time to explore the stunning landscapes and historic charm of Ainsa. As the year progresses into October, daylight will further dwindle to 11 hours, yet this gradual descent creates a beautiful backdrop for the changing leaves and heartwarming gatherings that characterize the season.

Average Daylight Hours in Ainsa for September

The chart illustrates the variation in daylight duration in Ainsa throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 33m11h 57m13h 23m14h 36m15h 13m14h 53m13h 49m12h 26m11h9h 45m9h 6m
Data source: Ainsa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ainsa

In September, Ainsa experiences a gentle breeze with an average wind speed of 1.4 m/s (3 mph), marking a subtle decline from the moderate winds of the summer months. This decrease aligns with a general trend observed throughout the year, where the wind speeds tend to dip slightly as the seasons transition. Compared to the preceding months of July and August, which maintain a steady 1.8 m/s and 1.7 m/s respectively, September offers a more tranquil atmosphere, perfect for leisurely walks through the charming medieval streets of this picturesque town. As autumn approaches, the shift in wind patterns invites a sense of calm, making it an ideal time to explore the scenic beauty of Ainsa.

Average September Wind Speed in Ainsa

The chart displays monthly wind speed patterns in Ainsa, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.61.81.61.71.61.81.71.4 m/s1.51.91.6
Data source: Ainsa September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ainsa Compares to Other Months

The weather in Ainsa 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 Ainsa and find detailed weather information for every month.

September and January present contrasting weather patterns. In September, temperatures range from a minimum of 1°C (34°F) to a pleasant average of 14°C (57°F), peaking at 26°C (80°F). The month experiences about 61 mm (2.4 in) of precipitation over 10 days, with humidity around 73%. In stark contrast, January brings much colder temperatures, with a minimum of -17°C (2°F), an average of 0°C (32°F), and a maximum of 13°C (55°F). Precipitation remains similar, at 60 mm (2.3 in), but occurs over fewer days (8 days), and humidity increases to 87%. For more specific insights into the January weather, check out Ainsa weather in January.

September and February present markedly different weather conditions. In September, temperatures typically range from a minimum of 1°C (34°F) to a maximum of 26°C (80°F), averaging around 14°C (57°F). The month experiences relatively moderate precipitation of 61 mm (2.4 in) over about 10 days, alongside a humidity level of 73%. In contrast, February is much colder, with temperatures fluctuating between a low of -15°C (5°F) and a high of 16°C (62°F), averaging only 2°C (36°F). Precipitation in February is slightly less, at 57 mm (2.2 in), occurring over 8 days, with higher humidity at 83%. The significant drop in temperature and the increased humidity make February feel much harsher compared to the mild, warm days of September. For more specific information, you can check Ainsa weather in February.

In comparing the weather of September and March, September typically offers milder temperatures with a minimum of 1°C (34°F), an average of 14°C (57°F), and a maximum of 26°C (80°F). In contrast, March tends to be colder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 18°C (65°F) and an average of only 3°C (38°F). While September sees around 61 mm (2.4 in) of precipitation over approximately 10 days, March is wetter, with 102 mm (4.0 in) falling over about 13 days. Additionally, March experiences slightly higher humidity levels at 80%, compared to September’s 73%. For a detailed look at the weather specifics for March, refer to Ainsa weather in March.

In comparing the weather of September and April, April tends to be chillier, with average temperatures ranging from a minimum of -8°C (19°F) to a maximum of 20°C (68°F), while September enjoys milder temperatures, fluctuating between 1°C (34°F) and 26°C (80°F). However, April experiences significantly more precipitation, averaging 121 mm (4.8 in) over 16 days, compared to September's 61 mm (2.4 in) over just 10 days. Humidity levels are slightly higher in April at 77%, compared to September's 73%. For more detailed weather information, you can visit Ainsa weather in April.

September generally offers a more moderate climate compared to May, with average temperatures peaking at 14°C (57°F) and maxing out at 26°C (80°F). In contrast, May experiences cooler temperatures, with a minimum of -5°C (24°F) but still reaching up to 25°C (78°F). Rainfall is also more prevalent in May, with 121 mm (4.8 in) recorded over 15 days, while September sees less precipitation at 61 mm (2.4 in) over just 10 days. Both months have similar humidity levels, staying around 73-75%, making them both comfortable, yet they have their unique characteristics. For more details, check out Ainsa weather in May.

September and June offer distinct weather characteristics. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 26°C (80°F), with an average of 14°C (57°F). The month sees about 61 mm (2.4 in) of precipitation over approximately 10 days, resulting in a humidity level of 73%. In contrast, June records slightly warmer temperatures, with a minimum of 0°C (32°F), an average of 15°C (59°F), and a maximum reaching 30°C (87°F). However, it experiences more rainfall, totaling 102 mm (4.0 in) over 16 days, accompanied by a similar humidity level of 74%. For more detailed insights, check Ainsa weather in June.

When comparing the weather between September and July, notable differences emerge. September experiences a broader temperature range with a minimum of 1°C (34°F) and a maximum of 26°C (80°F), leading to an average of 14°C (57°F). In contrast, July tends to be warmer, with minimum temperatures around 5°C (40°F), an average of 18°C (65°F), and a peak of 29°C (85°F). Precipitation is also more frequent in September, with 61 mm (2.4 in) spread over 10 days, while July sees less rainfall at 43 mm (1.7 in) over just 7 days. Despite September's higher humidity at 73%, July maintains a closely comparable level at 72%. For more details on July weather, visit Ainsa weather in July.

In comparing the weather between September and August, September experiences cooler temperatures with a minimum of 1°C (34°F) and an average of 14°C (57°F), while August is warmer, featuring a minimum of 4°C (40°F) and an average of 18°C (65°F). The maximum temperatures in August reach up to 31°C (88°F), compared to September's maximum of 26°C (80°F). Precipitation is slightly higher in August, with 66 mm (2.6 in) over 9 days, while September sees 61 mm (2.4 in) of rain over 10 days. Humidity levels remain relatively stable, slightly higher in September at 73% compared to 70% in August. For more details, you can check Ainsa weather in August.

September typically showcases a gentle transition into autumn, with temperatures ranging from a mild 1°C (34°F) to a comfortable 26°C (80°F) and an average of 14°C (57°F). The month sees around 61 mm (2.4 in) of precipitation over approximately 10 days, accompanied by a humidity level of 73%.

In contrast, October brings a more pronounced chill, with temperatures dropping to a minimum of -9°C (16°F) and an average of 9°C (49°F), although it can still peak at 24°C (75°F). This month experiences increased rainfall, accumulating about 96 mm (3.8 in) over just 8 days, and a slight rise in humidity to 82%. The shift in weather highlights a notable change as autumn deepens. For specific details, you can check Ainsa weather in October.

September and November present distinct contrasts in weather patterns. September typically enjoys milder temperatures, with averages around 14°C (57°F) and a maximum of 26°C (80°F), while November experiences cooler conditions, averaging just 3°C (38°F) and dipping to a minimum of -13°C (10°F). Precipitation also differs, with September receiving 61 mm (2.4 in) over about 10 days compared to November's wetter climate, which brings 91 mm (3.6 in) across 12 days. Moreover, November's higher humidity at 87% adds a chill to the air, contrasting with September's 73%. For more detailed information, you can check Ainsa weather in November.

September and December present contrasting weather conditions, reflecting the transition from late summer to winter. In September, temperatures range from a mild minimum of 1°C (34°F) to a warm maximum of 26°C (80°F), with an average of 14°C (57°F). The month experiences moderate precipitation, totaling 61 mm (2.4 in) over about 10 days, and a humidity level of 73%. In stark contrast, December sees much colder temperatures, with a minimum of -14°C (7°F), an average of 0°C (33°F), and a maximum of 13°C (56°F). This month also experiences increased precipitation, totaling 102 mm (4.0 in) over 12 days, along with higher humidity at 88%. For more detailed insights into this winter month, you can check Ainsa weather in December.

Compare Ainsa's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ainsa

As summer fades into autumn, September in Ainsa brings a delightful transition in weather that sets it apart from the preceding months. While the days can still warm up to pleasant highs, the cooler evenings provide a refreshing contrast, inviting cozy gatherings and serene strolls through the picturesque town. The humidity levels remain fairly consistent, but the occasional rainfall adds a refreshing touch to the landscape, nurturing the vibrant fall foliage. With an average precipitation spread over a few days, it's a month that balances sunshine with a hint of unpredictability, making it an ideal time to explore the natural beauty of the region. For a deeper dive into how September compares with other months, check out Ainsa Climate.