September Weather in Haro, Spain

Last updated: February 6, 2025

Experience the charm of Haro, Spain, in September, where the weather is a delightful mix of warmth and crispness. With maximum temperatures reaching 32°C (91°F) and an average of 17°C (63°F), days are pleasantly sunny, perfect for exploring this beautiful wine region. However, nights can be a bit cooler, dropping to a refreshing minimum of 4°C (40°F). September also brings about 43 mm (1.7 in) of rainfall over approximately 9 days, adding a touch of freshness to the air and lush scenery. With a humidity level of 77%, the atmosphere feels vibrant and alive, making this month an ideal time to savor the local culture and stunning landscapes.

September Temperature in Haro

As summer transitions to autumn, Haro, Spain experiences a delightful change in temperatures during September. With a minimum of 4°C (40°F) and a maximum reaching a warm 32°C (91°F), the month boasts an average temperature of 17°C (63°F), making it a comfortable time to explore the region. This slight dip from the peak summer heat of August allows for pleasantly mild days, perfect for enjoying outdoor activities and local festivities. The gentle shift signals the beginning of cooler weather, while still retaining the warmth of late summer, creating an inviting atmosphere for both locals and visitors alike.

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

The chart illustrates September temperature patterns in Haro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404446505763686863554643
Data source: Temperature data for Haro 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 Haro

In September, Haro experiences a transition from the drier summer months, with precipitation totaling 43 mm (1.7 in), marking a slight uptick from August's 28 mm (1.1 in). This month sees rain on about 9 days, indicating a gradual shift toward wetter weather as autumn approaches. The trend reveals that while September is relatively mild, it paves the way for increased rainfall in the following months, culminating in November's peak at 94 mm (3.7 in). Such patterns highlight how Haro, nestled in the heart of La Rioja, begins to embrace the richness of fall, laying the foundation for its lush landscapes.

September Precipitation Trends in Haro

The chart displays monthly precipitation patterns in Haro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec736170926775442843639473
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Haro

In September, Haro, Spain experiences a notable shift in humidity, with levels dipping to 77%. This decrease marks a transition from the peak summer months, where July saw a high of 87% humidity. Interestingly, September's figures suggest a gradual reduction leading into the autumn, as the region moves away from the sticky summer heat. Humidity levels in Haro typically remain elevated from January through August, fluctuating between 81% and 87%, but the arrival of fall brings a refreshing change. Following September, humidity rises slightly again in October to 80%, indicating that while the hot summer days may be over, the air retains some of summer's moisture. This pattern highlights how Haro’s climate balances warmth and humidity throughout the year, making it an inviting destination for those seeking mild weather.

September Average Humidity in Haro

This chart illustrates the average monthly humidity levels in Haro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%81%81%83%87%82%77%80%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haro

As autumn begins to settle in Haro, Spain, September showcases a UV Index of 8, categorizing it as very high and necessitating a burn time of just 15 minutes. This trend reflects a slight decline from the peak summer months, with June reaching an extreme UV Index of 11. However, September's levels still call for caution, mirroring the very high indices seen over the summer, particularly in May and August. With the sun's rays still potent, enjoying outdoor activities requires proper sun protection to prevent skin damage. For detailed UV forecast and tips, visit Haro UV Index.

Maximum UV Index Levels in Haro for September

The chart shows the monthly maximum UV Index (UVI) for Haro 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.
JanFebMarAprMayJunJulAugSepOctNovDec346810111098632
Data source: Haro 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 Haro

September in Haro, Spain, greets residents with a splendid 338 hours of sunshine, marking a gentle transition into autumn. After the peak brightness of July with 424 hours, the sun begins to retreat, yet September retains a generous amount of daylight, significantly more than the darker winter months ahead. This month serves as a beautiful bridge, featuring lingering warmth from summer while gracefully hinting at the cooler days of fall. As nature shifts, the vibrant landscapes of Haro bask in golden hues, making it an ideal time for wine lovers to explore picturesque vineyards under the warm Spanish sun.

Monthly Sunshine Duration in Haro: September Highlighted

The September sunshine duration represents the total number of hours Haro 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.
JanFebMarAprMayJunJulAugSepOctNovDec172h236h305h325h380h398h424h398h338h296h223h217h
Data source: Haro September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Haro During September

In Haro, Spain, September welcomes the cusp of autumn with a 32% chance of sunny weather, a notable decrease from the summer months where sunshine peaked at 49% in August. This shift marks a transition, as the region begins to feel the effects of cooler temperatures and shorter days. However, compared to earlier months like April and May, which hold lower probabilities at 30% and 28% respectively, September maintains a respectable chance for those wanting to savor the remaining warmth. As summer gives way to autumn, Haro still offers opportunities for sunshine, making it a pleasant time for visitors to enjoy the local wines and scenic vistas.

Percentage of Sunny Days in September in Haro

The chart illustrates the percentage of sunny days in Haro 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 Haro experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%24%37%30%28%38%48%49%32%40%20%35%
Data source: Haro September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Haro in September

As September rolls into Haro, Spain, the daylight gradually begins its descent, offering around 12 hours of sunshine—a gentle transition from the sun-soaked summer months. Following the peak of 15 hours in June, daylight durations steadily decline, with September showcasing a balance between the warm glow of summer and the impending chill of autumn. This gradual decrease continues into October, where daylight shrinks to 11 hours, signaling shorter days ahead. The trend reflects a rhythmic ebb and flow of light throughout the year, vibrant in spring and summer, but softly yielding as the seasons change. Observing this cycle not only marks the passage of time but also invites residents and visitors alike to savor the lingering warmth before embracing the cooler months.

Average Daylight Hours in Haro for September

The chart illustrates the variation in daylight duration in Haro 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: Haro daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Haro

In Haro, Spain, the September winds usher in a gentle transition towards the autumn months, with an average speed of 2.1 m/s (5 mph). This marks a slight dip from the summer's breezier conditions. Throughout the year, wind speeds in Haro tend to fluctuate, with the strongest gusts occurring in the winter months of January and February, each reaching 3.2 m/s (7 mph). Conversely, the warmth of summer brings milder winds, particularly in July and August, where the average lingers around 2.3 m/s and 2.2 m/s respectively. As September unfolds, the calmness of the wind reflects the region's shift towards cooler weather, providing a serene backdrop to the beautiful vineyards that Haro is renowned for. This gradual decrease in wind speed not only enhances the charm of the autumn landscape but also signifies the approach of more tranquil and crisp days ahead.

Average September Wind Speed in Haro

The chart displays monthly wind speed patterns in Haro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.22.62.42.52.12.32.22.1 m/s2.02.73.0
Data source: Haro September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Haro Compares to Other Months

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

In September, Haro experiences warmer weather, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 32°C (91°F) and an average of 17°C (63°F). The month sees about 43 mm (1.7 in) of precipitation over nine rainy days, accompanied by a humidity level of 77%. In contrast, January brings much cooler temperatures, with a low of -6°C (21°F), an average of 4°C (40°F), and a high of 17°C (63°F). Precipitation increases to 73 mm (2.9 in) across ten days and a slightly higher humidity at 85%. For more detailed insights, you can check Haro weather in January.

September and February present contrasting weather conditions. In September, temperatures range between a minimum of 4°C (40°F) and a maximum of 32°C (91°F), with an average of 17°C (63°F). The month experiences 43 mm (1.7 in) of precipitation over approximately 9 days, making the weather relatively warm and humid at 77%. In stark contrast, February sees considerably cooler temperatures, with a minimum of -7°C (20°F), an average of 7°C (45°F), and a maximum of 21°C (69°F). Precipitation increases to 61 mm (2.4 in), falling over 10 days with slightly higher humidity at 83%. For more detailed insights on February weather in Haro, check out Haro weather in February.

In comparing the weather of September and March, it's evident that both months present distinct climatic characteristics. September typically enjoys warmer temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 32°C (91°F), with an average of 17°C (63°F). It also experiences relatively lower precipitation, averaging 43 mm (1.7 in) over about 9 days, with a humidity level of 77%.

In contrast, March is marked by cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 24°C (75°F), resulting in an average of just 8°C (47°F). Additionally, March sees a higher precipitation level of 70 mm (2.8 in) spread over 14 days, coupled with slightly higher humidity at 82%. For more detailed insights into the weather conditions during March, you can explore Haro weather in March.

September and April present contrasting weather patterns. September generally offers milder temperatures with an average of 17°C (63°F), reaching as high as 32°C (91°F) on warmer days. In contrast, April starts cooler, with average temperatures around 10°C (51°F) and can drop to a minimum of -4°C (25°F). While September experiences relatively less precipitation with about 43 mm (1.7 in) over 9 days, April sees a significant increase to 92 mm (3.6 in) across 15 days, indicating a wetter month. Humidity is slightly higher in April at 81%, compared to September's 77%.

For more detailed insights on April weather, you can check Haro weather in April.

In September, temperatures in Haro range from a cool minimum of 4°C (40°F) to a warm maximum of 32°C (91°F), with an average temperature of 17°C (63°F). The month experiences a moderate level of precipitation at 43 mm (1.7 in) spread over about 9 days, accompanied by a humidity level of 77%. In contrast, May presents slightly cooler temperatures, with a minimum of 1°C (34°F), an average of 14°C (57°F), and a maximum of 31°C (88°F). This month has a higher total precipitation of 67 mm (2.6 in) over 13 days, and humidity levels are a bit higher at 81%. For more specifics on the weather in May, you can check Haro weather in May.

In comparing the weather conditions between September and June, we observe some notable differences. September experiences a slightly higher maximum temperature of 32°C (91°F) compared to June's 37°C (99°F), while both months have similar average temperatures around 17°C (63°F). Precipitation is also a key factor; September has 43 mm (1.7 in) of rainfall over 9 days, which is less than June's 74 mm (2.9 in) over 12 days. Additionally, humidity levels are marginally lower in September at 77%, compared to June's 83%. For more details about the specific weather conditions in June, you can check out Haro weather in June.

In comparing the weather between September and July, we notice some distinct differences. September experiences a wider temperature range, with minimums dropping to 4°C (40°F) and maximums reaching up to 32°C (91°F), leading to an average of 17°C (63°F). This month also sees slightly lower humidity at 77%, but with similar precipitation levels to July, receiving 43 mm (1.7 in) over about 9 days.

Conversely, July is typically warmer, with minimum temperatures of 7°C (44°F) and maximums soaring to 38°C (100°F), resulting in an average of 20°C (68°F). The humidity is higher at 87%, and while it experiences a similar amount of rainfall at 44 mm (1.7 in), it does so over just 8 days. For more insights on July weather specifically, you can check out Haro weather in July.

In comparing the weather of September and August, it’s clear that September experiences a notable decrease in both minimum and average temperatures, with lows dropping to 4°C (40°F) compared to August's minimum of 9°C (48°F). While August boasts higher maximum temperatures of up to 37°C (98°F), September's max reaches 32°C (91°F), creating a more moderate climate. Additionally, September sees slightly more precipitation with 43 mm (1.7 in) over 9 days, while August has 28 mm (1.1 in) over 7 days. Humidity levels are fairly similar, with September at 77% compared to August's 82%. For more details, check out Haro weather in August.

September experiences a warmer climate with average temperatures reaching 17°C (63°F) and highs of 32°C (91°F), while October sees a significant drop in temperatures, averaging at 13°C (56°F) and peaking at 28°C (83°F). The transition into October also brings increased precipitation, rising from 43 mm (1.7 in) over 9 days in September to 63 mm (2.5 in) over 10 days, accompanied by slightly higher humidity levels of 80%. For a more detailed outlook on October weather, you can visit Haro weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a mild minimum of 4°C (40°F) to a warm maximum of 32°C (91°F), with an average of 17°C (63°F). The month experiences 43 mm (1.7 in) of precipitation over about 9 days, accompanied by a humidity level of 77%.

In contrast, November sees a notable drop in temperature, with minimums dipping to -3°C (27°F) and a modest maximum of 22°C (71°F), resulting in an average temperature of 8°C (47°F). The month is wetter, with 94 mm (3.7 in) of precipitation occurring over 16 days, while humidity slightly increases to 83%. This comparison highlights the transition from the warmth of early autumn to the chill of late fall. For more detailed information, visit Haro weather in November.

September and December present quite different weather patterns. In September, temperatures range from a mild 4°C (40°F) at night to a warm average of 17°C (63°F), peaking at a high of 32°C (91°F). This month is characterized by lower humidity at 77% and relatively less precipitation, with about 43 mm (1.7 in) falling over 9 days. In contrast, December experiences much colder temperatures, with nighttime lows dipping to -6°C (22°F) and an average of only 6°C (44°F), while the maximum highs reach 17°C (64°F). Precipitation increases to 73 mm (2.9 in) over 12 days, and humidity rises to 85%, making the weather feel more oppressive. For those interested in the specifics of December weather, you can check out Haro weather in December.

Compare Haro's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Haro

As September unfolds in Haro, the weather presents a delightful transition from the hot summer months, characterized by warm days and cooler nights. With a comfortable average temperature allowing for outdoor activities, this month experiences increased humidity levels and occasional rain, making it distinct from the drier preceding months. Although some days may feature brief showers, the refreshing atmosphere is perfect for enjoying local festivals and the stunning vineyard landscapes. Discover more about what to expect each season at Haro Climate.