September Weather in Grado, Spain

Last updated: February 6, 2025

September in Grado, Spain, showcases a delightful transition as summer gently fades into autumn. With a maximum temperature reaching 29°C (84°F) and an average of 17°C (64°F), the month remains pleasantly warm, perfect for outdoor activities. However, expect a cooler minimum temperature of 9°C (49°F) at night. Rainy days are common, with 14 days of precipitation contributing to a total of 90 mm (3.5 in) by month's end, resulting in a humidity level of 77%. This combination of warmth and moisture creates a lush environment, making September an ideal time to experience the captivating beauty of Grado.

September Temperature in Grado

In Grado, Spain, September marks a delightful transition into autumn, showcasing a pleasant climate that invites outdoor exploration. With minimum temperatures starting at a mild 9°C (49°F) and peaking at an enjoyable 29°C (84°F), the month averages around 17°C (64°F), providing a comfortable backdrop for both locals and visitors. This trend of warming temperatures follows the peak summer heat, creating an ideal environment, where sunny days can still be relished without the scorching intensity of July and August. As the days gradually shorten, the crispness of early autumn begins to sneak in, hinting at the cooler months ahead while still allowing for those last sun-soaked adventures.

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

The chart illustrates September temperature patterns in Grado, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec475051535761656663595351
Data source: Temperature data for Grado generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Grado

In September, Grado, Spain experiences an average precipitation of 90 mm (3.5 in), falling over 14 days, which marks a slight increase from the drier summer months of July and August. This transitional period hints at the upcoming autumn with a refreshing shift in weather, making it a pivotal time for the region’s climate. While the rainfall is moderate compared to the heavier downpours of late autumn, it’s enough to invigorate the landscape, paving the way for a vibrant display of fall colors. As the months progress, Grado typically sees an uptick in precipitation, with October and November presenting much wetter patterns, suggesting that the region is preparing to embrace the more tumultuous weather of the later season.

September Precipitation Trends in Grado

The chart displays monthly precipitation patterns in Grado, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1091139698106125788490125179186
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grado

In September, Grado, Spain, experiences a noticeable dip in humidity, dropping to 77%, the lowest level of the year. This decline marks a transition from the summer months, where humidity peaks in July at 86% and begins to taper off in the following weeks. As the summer heat subsides, September offers a more comfortable atmosphere, setting the stage for the transition into autumn. Interestingly, this lower humidity precedes a gradual increase by October, when levels rise to 82%, highlighting the cyclical nature of Grado's climate, where each month plays a distinct role in shaping the overall weather experience.

September Average Humidity in Grado

This chart illustrates the average monthly humidity levels in Grado, 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%85%83%83%84%84%86%78%77%82%86%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Grado

In September, Grado experiences a high UV Index of 7, indicative of a transition towards milder autumn weather. While the sun’s intensity starts to wane compared to the peak summer months, caution is still advised, with a recommended burn time of 25 minutes. This is a drop from the earlier months of June, July, and August, when the UV Index reached a maximum of 10 and 9 respectively, demanding rapid sun protection measures. As the season changes, both the exposure category and the burn time gradually shift, reflecting the moderate and low categories seen in the cooler months ahead. For more detailed insights into UV levels throughout the year, check out Grado UV Index.

Maximum UV Index Levels in Grado for September

The chart shows the monthly maximum UV Index (UVI) for Grado 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Grado 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 Grado

As summer begins to transition into autumn, September in Grado, Spain, offers a delightful blend of warm weather and stunning sunshine. With 337 hours of sunlight, this month showcases a remarkable continuation of the sunny days that peak in July with 415 hours. Although September sees a gentle decline in sunlight compared to its summer predecessors, it still holds the sixth position in terms of brightness for the year. This trend illustrates that while the intensity of summer wanes, the vibrant climate lingers, making September an ideal time for outdoor activities and soaking in the sun's last warm rays before the cooler months set in. The gradual decrease from the sun-drenched days of summer highlights the transition into autumn while retaining a charming allure that beckons visitors to enjoy Grado's captivating coastal beauty.

Monthly Sunshine Duration in Grado: September Highlighted

The September sunshine duration represents the total number of hours Grado 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h240h315h348h390h389h415h382h337h297h232h208h
Data source: Grado September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grado During September

When considering the likelihood of sunny weather in September in Grado, Spain, the forecast reveals a 29% chance of sun. This positions September alongside the summer months like July and August, which also hover around similar percentages, reflecting a gradual decline in sunny prospects as the year transitions into autumn. Interestingly, the sunny probabilities peak in the cooler months, with October leading at 42%, suggesting that while the summer sun may be waning, the warmth can persist into early autumn, offering a delightful surprise for visitors. Overall, September maintains a fair share of sun, making it an appealing choice for those seeking pleasant weather.

Percentage of Sunny Days in September in Grado

The chart illustrates the percentage of sunny days in Grado 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 Grado experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%21%36%33%31%20%33%29%29%42%31%34%
Data source: Grado September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grado in September

As summer gracefully transitions into autumn, September in Grado, Spain, showcases a gentle decline in daylight, offering around 12 hours of sunshine. This is a subtle shift from the more abundant light of July and August, where the days stretched to a peak of 15 hours. With each passing month, the days gradually shorten, yet September maintains a pleasant brightness, making it an ideal time for outdoor activities and enjoying the natural beauty of the region. As the landscape begins to embrace the warm hues of fall, the gradual decrease in daylight signals a shift in season, inviting residents and visitors alike to savor the last moments of summer’s glow before the cozy embrace of autumn's shorter days sets in.

Average Daylight Hours in Grado for September

The chart illustrates the variation in daylight duration in Grado throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 20m10h 29m11h 57m13h 26m14h 43m15h 21m15h13h 53m12h 27m10h 58m9h 39m8h 59m
Data source: Grado daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Grado

As summer transitions into autumn, September in Grado, Spain offers a notable shift in wind patterns. The average wind speed drops to a gentle 2.4 m/s (5 mph), marking the lowest point for the year. This serene breeze contrasts sharply with the higher winds of earlier months, particularly July, which experiences a slightly stronger flow. Throughout the year, the wind generally maintained a steady pace ranging between 2.7 m/s and 4.0 m/s; however, September's calm atmosphere invites a peaceful ambiance, perfect for leisurely strolls along the coast. As the year progresses, wind speeds tend to increase again in the following months, suggesting that the tranquility of September is a fleeting yet cherished moment in Grado's climatic rhythm.

Average September Wind Speed in Grado

The chart displays monthly wind speed patterns in Grado, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.43.13.23.03.12.73.12.4 m/s3.03.34.0
Data source: Grado September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Grado Compares to Other Months

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

In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 29°C (84°F), with an average of 17°C (64°F), creating a warm and pleasant atmosphere. The month experiences about 90 mm (3.5 in) of precipitation over 14 days, and the humidity hovers at 77%. In contrast, January brings cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 19°C (66°F), resulting in an average of 9°C (48°F). Precipitation increases to 109 mm (4.3 in) over 12 days, and humidity rises slightly to 87%. For more detailed information, check out Grado weather in January.

In September, the weather is generally warmer with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 29°C (84°F) and an average of 17°C (64°F). While there is moderate precipitation of 90 mm (3.5 in) over 14 days, humidity levels are relatively lower at 77%. In contrast, February experiences cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 21°C (69°F), averaging at 10°C (50°F). Precipitation increases to 113 mm (4.5 in) over the same number of days, accompanied by higher humidity at 85%. For more details on February weather, you can visit Grado weather in February.

September typically experiences a more temperate climate compared to March, with average temperatures reaching a pleasant 17°C (64°F), peaking at 29°C (84°F). In contrast, March sees cooler averages of just 10°C (51°F) and maximum temperatures of 21°C (70°F). Both months share similar precipitation levels, but September is slightly drier, with 90 mm (3.5 in) over about 14 days, whereas March has 96 mm (3.8 in) over approximately 15 days. Additionally, March has a higher humidity level of 83% compared to September's 77%. For a closer look at March weather, visit Grado weather in March.

When comparing the weather in September and April, we find notable differences in temperature and precipitation. September typically boasts milder conditions with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 29°C (84°F), while April experiences cooler temperatures, with a range from 1°C (35°F) to 24°C (75°F). Both months see a significant amount of rainfall, with September recording 90 mm (3.5 in) and April slightly higher at 98 mm (3.9 in), though both also experience precipitation on approximately 14 days. Additionally, humidity levels are relatively high in both months, with September at 77% and April slightly higher at 83%. For more specific details, you can explore Grado weather in April.

September and May present contrasting weather conditions. In September, temperatures start at a comfortable minimum of 9°C (49°F) and peak at a warm 29°C (84°F), with an average of 17°C (64°F). The month experiences about 90 mm (3.5 in) of precipitation over 14 days, along with a humidity level of 77%. In contrast, May has slightly cooler temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 27°C (81°F), with an average of 14°C (58°F). This month sees a bit more rain, totaling 106 mm (4.2 in) across 13 days, and higher humidity at 84%. For a more detailed look at the weather in Grado during May, you can check Grado weather in May.

In comparing the weather patterns of September and June, we notice that both months experience mild to warm temperatures, but September tends to be slightly warmer on average. Specifically, September boasts a minimum temperature of 9°C (49°F) and an average of 17°C (64°F), with highs reaching 29°C (84°F). In contrast, June starts a bit cooler with a minimum of 8°C (47°F) and an average of 16°C (62°F), peaking at 28°C (83°F).

Precipitation levels also differ; September sees 90 mm (3.5 inches) of rainfall over 14 days, while June has higher rainfall at 125 mm (4.9 inches) over 16 days. Humidity is quite similar, with September at 77% and June slightly higher at 84%. For more specific insights on June weather, you can visit Grado weather in June.

When comparing the weather in September and July, notable differences emerge. September boasts a wider temperature range, with minimums dipping to 9°C (49°F) and maximums reaching 29°C (84°F), while July maintains a milder range, with minimums at 12°C (54°F) and maximums peaking at 26°C (80°F). Additionally, September experiences slightly more precipitation, totaling 90 mm (3.5 in) over 14 days, compared to July's 78 mm (3.1 in) across 13 days. Humidity also plays a role; September has an average humidity of 77%, while July's humidity is higher at 86%. For those interested in detailed weather patterns, check out Grado weather in July.

In comparing the weather of September and August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 29°C (84°F). This is a decline from August, where the temperatures range from a minimum of 12°C (54°F) to a maximum of 28°C (83°F). Despite having a bit more rainfall in September, with 90 mm (3.5 in) over 14 days, the overall humidity remains comparable, standing at 77% for September and 78% for August. If you're interested in more detailed information, visit Grado weather in August.

September typically experiences warmer temperatures with averages around 17°C (64°F) and maximums reaching up to 29°C (84°F), while October sees a slight drop in average temperatures to 15°C (59°F) and a maximum of 28°C (82°F). Precipitation increases in October, with an average of 125 mm (4.9 in) over 13 days, compared to September's 90 mm (3.5 in) across 14 days. Additionally, humidity is slightly higher in October at 82%, compared to September's 77%. For more details, you can check Grado weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a pleasant minimum of 9°C to a comfortable maximum of 29°C, averaging around 17°C with a humidity level of 77%. Precipitation is moderate, totaling 90 mm over approximately 14 days. In stark contrast, November sees a significant drop in temperatures, with minimums around 3°C and maximums reaching 22°C, averaging just 11°C. The month is also wetter, with 179 mm of precipitation recorded over 16 days and humidity levels rising to 86%. For a closer look at November weather specifics, check out Grado weather in November.

In September, the weather is generally milder with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 29°C (84°F) and an average of 17°C (64°F). The month sees about 90 mm (3.5 in) of precipitation over approximately 14 days, with a humidity level of 77%. In contrast, December experiences cooler temperatures, with a minimum of 3°C (37°F), an average of 10°C (51°F), and a maximum of 19°C (67°F). Rainfall increases significantly to 186 mm (7.3 in) over 17 days, coupled with higher humidity at 87%. For more detailed insights into the weather conditions, visit Grado weather in December.

Compare Grado's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Grado

As September unfolds in Grado, the weather begins to shift from the warm embrace of summer to the crisp touch of autumn. With daytime temperatures averaging a comfortable 17°C (64°F), it invites both outdoor adventures and cozy indoor moments. While the maximums can still reach a pleasant 29°C (84°F), the evenings cool down significantly, perfect for snuggling into a light jacket. The month also brings increased rainfall, with about 14 days of precipitation contributing to a total of 90 mm (3.5 in), resulting in a lush landscape. Humidity remains relatively high at 77%, which can add to the overall tropical feel of the early month. For a detailed understanding of how these weather patterns compare to other times of the year, explore more at Grado Climate.